From mirageos-devel-bounces@lists.xenproject.org Sat Aug 01 10:41:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 01 Aug 2015 10:41:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLUEK-0008OV-RX; Sat, 01 Aug 2015 10:41:28 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLUEJ-0008OQ-5G for mirageos-devel@lists.xenproject.org; Sat, 01 Aug 2015 10:41:27 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 77/8D-19110-652ACB55; Sat, 01 Aug 2015 10:41:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-13.tower-27.messagelabs.com!1438425684!37125781!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3270 invoked from network); 1 Aug 2015 10:41:24 -0000 Received: from mail-vk0-f52.google.com (HELO mail-vk0-f52.google.com) (209.85.213.52) by server-13.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 1 Aug 2015 10:41:24 -0000 Received: by vkgc186 with SMTP id c186so28886104vkg.0 for ; Sat, 01 Aug 2015 03:41:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=O0VPMYNdOxzZJmq8ydeX0mGd18nTdXnEcfnr/mO7BKw=; b=lm8ox9Yxuhp+C9h6/hNdfvB1y64xE87P0CnLVle8Nj/4hn+XArG8dNtAqoWTZ9+hFH 2iajxBwuBV4cbiKARR/Hy1Rdl48pHrGHGqTvnOTB2ABNr05HHiOP+6mkPTha5QtLnObf R9dCMyw2zJKDqbt/w8Khygk4q4eMmyv3QgqAs09wmxe+s0G5Pxd33DUU4crYGDldREnO pR19UIzpeKYOSfDaaRNflWbTQQu0T0Howj4lml/hivQcDWxQph8nter88vbTts6QppmF YHKlsA8qNKxYXzkjb2u+KqySdEQdkUJHXFWCezpI1TMzIqs8isp03pVwO/Q5IcqRT4F8 75ew== MIME-Version: 1.0 X-Received: by 10.52.31.10 with SMTP id w10mr12654520vdh.54.1438425683786; Sat, 01 Aug 2015 03:41:23 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Sat, 1 Aug 2015 03:41:23 -0700 (PDT) In-Reply-To: References: <6AD718B2-FB0F-4665-86B9-9770B9AE0B97@cam.ac.uk> <2F9176AF-0AC1-4DFC-9558-4203EE5F2E0A@cam.ac.uk> Date: Sat, 1 Aug 2015 11:41:23 +0100 Message-ID: From: Thomas Leonard To: Geoffroy Couprie Cc: mirageos-devel Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 29th at 4pm BST (GMT+1) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 29 July 2015 at 17:12, Geoffroy Couprie wrote: > On Wed, Jul 29, 2015 at 5:52 PM, Thomas Leonard wrote: >> To follow up on the Mini-OS testing, as the audio kept breaking up: >> >> You can install Xen in Debian inside VirtualBox and use that for testing. > > I installed XenServer in a VirtualBox, it seems to work. I'll have to > look at the options to cross compile from OSX, though, because right > now, I'm building the image on a server, putting it on a HTTP server, > downloading to the Xen machine and starting it from there. Well, if you're running VirtualBox anyway, I guess you might as well use a Linux guest (or dom0) for building... >> You can run "make" in the Mini-OS directory to build a "mini-os" >> kernel image, which can be run directly. There are various options >> that can be used, e.g. >> >> make CONFIG_TEST=y >> >> To test a modified Mini-OS with Mirage: >> >> 1. First, follow the Mirage guide to check you can run with the >> existing version: >> https://mirage.io/wiki/install >> 2. Run "opam pin add minios-xen ." in your mini-os Git checkout. >> 3. In a mirage-skeleton example, do a "make clean && make". >> >> Reinstalling the minios-xen opam package will recompile everything >> that depends on it, which is a bit slow. Unless you're changing the >> header files or pkg-config metadata, you can do a quick test with: >> >> make && make install PREFIX=`opam config var prefix` >> >> Then just "make" in your unikernel directory (e.g. >> mirage-skeleton/console) to link with the new libminios.a. > > Ok, I'll do this next. Right now this is what I have: > - for the test, I renamed init_mm to init_mm_real > - I made a Rust project built without libstd, exporting init_mm and > fini_mm, importing printk and init_mm_real > - my version of fini_mm does not do anything, init_mm prints "Hello > from Rust, world!\n\0", calls init_mm_real, then prints "Good bye from > Rust, world!\n\0". It is not much, but at least, we see they can > interact > The image can be downloaded at http://dev.unhandledexpression.com/mini-os.gz > > Now that I have a proof of concept, I'll make a better integration in > the build system. The Mini-OS build system is pretty bad, and I hope we can replace it completely at some point for the Rust version. Previously, we've tried to keep things similar to upstream so we can merge our changes back, but it adds a lot of complexity (especially because some other bits of Xen - the "stubdoms" - hook into it in some unclean and impossible-to-debug way). For the Rust version, I guess we can make a minimal base package, and have the optional bits in separate crates, right? -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 01 10:41:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 01 Aug 2015 10:41:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLUEK-0008OV-RX; Sat, 01 Aug 2015 10:41:28 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLUEJ-0008OQ-5G for mirageos-devel@lists.xenproject.org; Sat, 01 Aug 2015 10:41:27 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 77/8D-19110-652ACB55; Sat, 01 Aug 2015 10:41:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-13.tower-27.messagelabs.com!1438425684!37125781!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3270 invoked from network); 1 Aug 2015 10:41:24 -0000 Received: from mail-vk0-f52.google.com (HELO mail-vk0-f52.google.com) (209.85.213.52) by server-13.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 1 Aug 2015 10:41:24 -0000 Received: by vkgc186 with SMTP id c186so28886104vkg.0 for ; Sat, 01 Aug 2015 03:41:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=O0VPMYNdOxzZJmq8ydeX0mGd18nTdXnEcfnr/mO7BKw=; b=lm8ox9Yxuhp+C9h6/hNdfvB1y64xE87P0CnLVle8Nj/4hn+XArG8dNtAqoWTZ9+hFH 2iajxBwuBV4cbiKARR/Hy1Rdl48pHrGHGqTvnOTB2ABNr05HHiOP+6mkPTha5QtLnObf R9dCMyw2zJKDqbt/w8Khygk4q4eMmyv3QgqAs09wmxe+s0G5Pxd33DUU4crYGDldREnO pR19UIzpeKYOSfDaaRNflWbTQQu0T0Howj4lml/hivQcDWxQph8nter88vbTts6QppmF YHKlsA8qNKxYXzkjb2u+KqySdEQdkUJHXFWCezpI1TMzIqs8isp03pVwO/Q5IcqRT4F8 75ew== MIME-Version: 1.0 X-Received: by 10.52.31.10 with SMTP id w10mr12654520vdh.54.1438425683786; Sat, 01 Aug 2015 03:41:23 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Sat, 1 Aug 2015 03:41:23 -0700 (PDT) In-Reply-To: References: <6AD718B2-FB0F-4665-86B9-9770B9AE0B97@cam.ac.uk> <2F9176AF-0AC1-4DFC-9558-4203EE5F2E0A@cam.ac.uk> Date: Sat, 1 Aug 2015 11:41:23 +0100 Message-ID: From: Thomas Leonard To: Geoffroy Couprie Cc: mirageos-devel Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 29th at 4pm BST (GMT+1) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 29 July 2015 at 17:12, Geoffroy Couprie wrote: > On Wed, Jul 29, 2015 at 5:52 PM, Thomas Leonard wrote: >> To follow up on the Mini-OS testing, as the audio kept breaking up: >> >> You can install Xen in Debian inside VirtualBox and use that for testing. > > I installed XenServer in a VirtualBox, it seems to work. I'll have to > look at the options to cross compile from OSX, though, because right > now, I'm building the image on a server, putting it on a HTTP server, > downloading to the Xen machine and starting it from there. Well, if you're running VirtualBox anyway, I guess you might as well use a Linux guest (or dom0) for building... >> You can run "make" in the Mini-OS directory to build a "mini-os" >> kernel image, which can be run directly. There are various options >> that can be used, e.g. >> >> make CONFIG_TEST=y >> >> To test a modified Mini-OS with Mirage: >> >> 1. First, follow the Mirage guide to check you can run with the >> existing version: >> https://mirage.io/wiki/install >> 2. Run "opam pin add minios-xen ." in your mini-os Git checkout. >> 3. In a mirage-skeleton example, do a "make clean && make". >> >> Reinstalling the minios-xen opam package will recompile everything >> that depends on it, which is a bit slow. Unless you're changing the >> header files or pkg-config metadata, you can do a quick test with: >> >> make && make install PREFIX=`opam config var prefix` >> >> Then just "make" in your unikernel directory (e.g. >> mirage-skeleton/console) to link with the new libminios.a. > > Ok, I'll do this next. Right now this is what I have: > - for the test, I renamed init_mm to init_mm_real > - I made a Rust project built without libstd, exporting init_mm and > fini_mm, importing printk and init_mm_real > - my version of fini_mm does not do anything, init_mm prints "Hello > from Rust, world!\n\0", calls init_mm_real, then prints "Good bye from > Rust, world!\n\0". It is not much, but at least, we see they can > interact > The image can be downloaded at http://dev.unhandledexpression.com/mini-os.gz > > Now that I have a proof of concept, I'll make a better integration in > the build system. The Mini-OS build system is pretty bad, and I hope we can replace it completely at some point for the Rust version. Previously, we've tried to keep things similar to upstream so we can merge our changes back, but it adds a lot of complexity (especially because some other bits of Xen - the "stubdoms" - hook into it in some unclean and impossible-to-debug way). For the Rust version, I guess we can make a minimal base package, and have the optional bits in separate crates, right? -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 01 16:07:00 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 01 Aug 2015 16:07:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLZJF-0000a7-QT; Sat, 01 Aug 2015 16:06:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLZJE-0000a2-Ay for mirageos-devel@lists.xenproject.org; Sat, 01 Aug 2015 16:06:52 +0000 Received: from [85.158.137.68] by server-14.bemta-3.messagelabs.com id F4/54-05979-B9EECB55; Sat, 01 Aug 2015 16:06:51 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-7.tower-31.messagelabs.com!1438445196!31363248!1 X-Originating-IP: [209.85.214.170] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24472 invoked from network); 1 Aug 2015 16:06:37 -0000 Received: from mail-ob0-f170.google.com (HELO mail-ob0-f170.google.com) (209.85.214.170) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Aug 2015 16:06:37 -0000 Received: by obdeg2 with SMTP id eg2so73363369obd.0 for ; Sat, 01 Aug 2015 09:06:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=shclnQy4kv/OVCJXxJ2Y1+GaErVycHYXvWqqOvteFYw=; b=O1L0tJ6x/qYS/Ja5AmEkbeLhokjQptMrm5FmM4R3QEqhEkw8z3au7vKYhYBtVBBBd0 OEXZuH34CWAvNb3GCQA7l1OBMhSBviPZevekR7152jn/TUIW8lcNmwup3nc4jUxOJ6uU cb5dmZIb+fN4skSOlG5u3A3ynTQnJaQGFiG3nKKYkPhxubvz5G6DmRk6Axh+ytcxPkEV STK0fS12BuSxOZqz9bW0dFEdYXqVDGPkL7atwWRx4cx1ILycMdH3RLRf7TBhFqCZFdtk uAtg8hJXGdrNjksb4qQnsf/K4nWcGK4iCHo/5cJb5C0egQx3Tiv2YzHYGKNmgvwrlaez 5ENQ== X-Gm-Message-State: ALoCoQn+oI0PsIU/uzKSC5oXvmSmpTRhmKfJ0mdYoKk/lhakW2hy5WSpcCcPeZRi0ySq4boY1xI+ MIME-Version: 1.0 X-Received: by 10.182.134.130 with SMTP id pk2mr9319235obb.4.1438445196315; Sat, 01 Aug 2015 09:06:36 -0700 (PDT) Received: by 10.202.75.67 with HTTP; Sat, 1 Aug 2015 09:06:36 -0700 (PDT) In-Reply-To: References: Date: Sat, 1 Aug 2015 12:06:36 -0400 Message-ID: From: Len Maxwell To: Geoffroy Couprie Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Rust unikernels X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3807817995850222248==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3807817995850222248== Content-Type: multipart/alternative; boundary=001a11c2bb14f4a884051c421e1c --001a11c2bb14f4a884051c421e1c Content-Type: text/plain; charset=UTF-8 On Thu, Jul 30, 2015 at 11:08 AM, Geoffroy Couprie < contact@geoffroycouprie.com> wrote: > On Thu, Jul 30, 2015 at 3:17 PM, Thomas Leonard wrote: > > On 30 July 2015 at 13:57, Len Maxwell wrote: > >> > >> > >> I've started a learning exercise to see how much I can delete from > Mini-OS > >> while still supporting Mirage. Threading, POSIX emulation, HAVE_LIBC, > and > >> all of the front/back devs can go (except console), and then I might > >> actually understand what's left. > > > > That's a good idea! > > Yes, this is great! > Thanks. The result so far is in https://github.com/lnmx/mini-os/tree/mini-er . Still needs some more work. -- Len --001a11c2bb14f4a884051c421e1c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Thu, Jul 30, 2015 at 11:08 AM, Geoffroy Couprie &l= t;contact@= geoffroycouprie.com> wrote:
On Thu, Jul 30, 2015 at 3:17 PM, T= homas Leonard <talex5@gmail.com&= gt; wrote:
> On 30 July 2015 at 13:57, Len Maxwell <len@lnmx.org> wrote:
>>
>>
>> I've started a learning exercise to see how much I can delete = from Mini-OS
>> while still supporting Mirage.=C2=A0 Threading, POSIX emulation, H= AVE_LIBC, and
>> all of the front/back devs can go (except console), and then I mig= ht
>> actually understand what's left.
>
> That's a good idea!

Yes, this is great!

Thanks.= =C2=A0 The result so far is in https://github.com/lnmx/mini-os/tree/mini-er .=C2=A0 Still= needs some more work.


--
=
Len
--001a11c2bb14f4a884051c421e1c-- --===============3807817995850222248== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3807817995850222248==-- From mirageos-devel-bounces@lists.xenproject.org Sat Aug 01 16:07:00 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 01 Aug 2015 16:07:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLZJF-0000a7-QT; Sat, 01 Aug 2015 16:06:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZLZJE-0000a2-Ay for mirageos-devel@lists.xenproject.org; Sat, 01 Aug 2015 16:06:52 +0000 Received: from [85.158.137.68] by server-14.bemta-3.messagelabs.com id F4/54-05979-B9EECB55; Sat, 01 Aug 2015 16:06:51 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-7.tower-31.messagelabs.com!1438445196!31363248!1 X-Originating-IP: [209.85.214.170] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24472 invoked from network); 1 Aug 2015 16:06:37 -0000 Received: from mail-ob0-f170.google.com (HELO mail-ob0-f170.google.com) (209.85.214.170) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Aug 2015 16:06:37 -0000 Received: by obdeg2 with SMTP id eg2so73363369obd.0 for ; Sat, 01 Aug 2015 09:06:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=shclnQy4kv/OVCJXxJ2Y1+GaErVycHYXvWqqOvteFYw=; b=O1L0tJ6x/qYS/Ja5AmEkbeLhokjQptMrm5FmM4R3QEqhEkw8z3au7vKYhYBtVBBBd0 OEXZuH34CWAvNb3GCQA7l1OBMhSBviPZevekR7152jn/TUIW8lcNmwup3nc4jUxOJ6uU cb5dmZIb+fN4skSOlG5u3A3ynTQnJaQGFiG3nKKYkPhxubvz5G6DmRk6Axh+ytcxPkEV STK0fS12BuSxOZqz9bW0dFEdYXqVDGPkL7atwWRx4cx1ILycMdH3RLRf7TBhFqCZFdtk uAtg8hJXGdrNjksb4qQnsf/K4nWcGK4iCHo/5cJb5C0egQx3Tiv2YzHYGKNmgvwrlaez 5ENQ== X-Gm-Message-State: ALoCoQn+oI0PsIU/uzKSC5oXvmSmpTRhmKfJ0mdYoKk/lhakW2hy5WSpcCcPeZRi0ySq4boY1xI+ MIME-Version: 1.0 X-Received: by 10.182.134.130 with SMTP id pk2mr9319235obb.4.1438445196315; Sat, 01 Aug 2015 09:06:36 -0700 (PDT) Received: by 10.202.75.67 with HTTP; Sat, 1 Aug 2015 09:06:36 -0700 (PDT) In-Reply-To: References: Date: Sat, 1 Aug 2015 12:06:36 -0400 Message-ID: From: Len Maxwell To: Geoffroy Couprie Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Rust unikernels X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3807817995850222248==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3807817995850222248== Content-Type: multipart/alternative; boundary=001a11c2bb14f4a884051c421e1c --001a11c2bb14f4a884051c421e1c Content-Type: text/plain; charset=UTF-8 On Thu, Jul 30, 2015 at 11:08 AM, Geoffroy Couprie < contact@geoffroycouprie.com> wrote: > On Thu, Jul 30, 2015 at 3:17 PM, Thomas Leonard wrote: > > On 30 July 2015 at 13:57, Len Maxwell wrote: > >> > >> > >> I've started a learning exercise to see how much I can delete from > Mini-OS > >> while still supporting Mirage. Threading, POSIX emulation, HAVE_LIBC, > and > >> all of the front/back devs can go (except console), and then I might > >> actually understand what's left. > > > > That's a good idea! > > Yes, this is great! > Thanks. The result so far is in https://github.com/lnmx/mini-os/tree/mini-er . Still needs some more work. -- Len --001a11c2bb14f4a884051c421e1c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Thu, Jul 30, 2015 at 11:08 AM, Geoffroy Couprie &l= t;contact@= geoffroycouprie.com> wrote:
On Thu, Jul 30, 2015 at 3:17 PM, T= homas Leonard <talex5@gmail.com&= gt; wrote:
> On 30 July 2015 at 13:57, Len Maxwell <len@lnmx.org> wrote:
>>
>>
>> I've started a learning exercise to see how much I can delete = from Mini-OS
>> while still supporting Mirage.=C2=A0 Threading, POSIX emulation, H= AVE_LIBC, and
>> all of the front/back devs can go (except console), and then I mig= ht
>> actually understand what's left.
>
> That's a good idea!

Yes, this is great!

Thanks.= =C2=A0 The result so far is in https://github.com/lnmx/mini-os/tree/mini-er .=C2=A0 Still= needs some more work.


--
=
Len
--001a11c2bb14f4a884051c421e1c-- --===============3807817995850222248== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3807817995850222248==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 09:44:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 09:44:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMCIC-0003fZ-3b; Mon, 03 Aug 2015 09:44:24 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMCIA-0003fU-NC for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 09:44:22 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 60/09-31450-6F73FB55; Mon, 03 Aug 2015 09:44:22 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1438595061!25382346!1 X-Originating-IP: [157.55.2.44] X-SpamReason: No, hits=0.2 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14792 invoked from network); 3 Aug 2015 09:44:21 -0000 Received: from dub004-omc3s35.hotmail.com (HELO DUB004-OMC3S35.hotmail.com) (157.55.2.44) by server-4.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 3 Aug 2015 09:44:21 -0000 Received: from DUB128-W9 ([157.55.2.9]) by DUB004-OMC3S35.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 3 Aug 2015 02:44:21 -0700 X-TMN: [uuKu4gfkIMTuau5L6dK5Aj+AYxwl8+x1] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: "mirageos-devel@lists.xenproject.org" Date: Mon, 3 Aug 2015 09:44:20 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 09:44:21.0029 (UTC) FILETIME=[F9207550:01D0CDD0] Subject: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2305473654998061322==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2305473654998061322== Content-Type: multipart/alternative; boundary="_f4932c86-5238-45d9-984c-f70e4752cabf_" --_f4932c86-5238-45d9-984c-f70e4752cabf_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm trying to find a way of passing a file into a unikernel when deploying.= I'm pretty sure this has been mentioned in the lists in the past=2C but I = just can't track down the discussion. I really want to avoid using any form of compiled approach or an alternativ= e like vchan etc.. I think that as the file sizes can be as large as 5MB=2C= encoding as a string and passing it as a variable would probably kill the = deployment. Does anyone know of a simple way forward here? Cheers Nick = --_f4932c86-5238-45d9-984c-f70e4752cabf_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm trying to find a way of pass= ing a file into a unikernel when deploying. I'm pretty sure this has been m= entioned in the lists in the past=2C but I just can't track down the discus= sion.

I really want to avoid using any form of compiled approach or = an alternative like vchan etc.. I think that as the file sizes can be as la= rge as 5MB=2C encoding as a string and passing it as a variable would proba= bly kill the deployment.

Does anyone know of a simple way forward he= re?

Cheers
Nick
= --_f4932c86-5238-45d9-984c-f70e4752cabf_-- --===============2305473654998061322== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2305473654998061322==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 09:44:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 09:44:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMCIC-0003fZ-3b; Mon, 03 Aug 2015 09:44:24 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMCIA-0003fU-NC for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 09:44:22 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 60/09-31450-6F73FB55; Mon, 03 Aug 2015 09:44:22 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1438595061!25382346!1 X-Originating-IP: [157.55.2.44] X-SpamReason: No, hits=0.2 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14792 invoked from network); 3 Aug 2015 09:44:21 -0000 Received: from dub004-omc3s35.hotmail.com (HELO DUB004-OMC3S35.hotmail.com) (157.55.2.44) by server-4.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 3 Aug 2015 09:44:21 -0000 Received: from DUB128-W9 ([157.55.2.9]) by DUB004-OMC3S35.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 3 Aug 2015 02:44:21 -0700 X-TMN: [uuKu4gfkIMTuau5L6dK5Aj+AYxwl8+x1] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: "mirageos-devel@lists.xenproject.org" Date: Mon, 3 Aug 2015 09:44:20 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 09:44:21.0029 (UTC) FILETIME=[F9207550:01D0CDD0] Subject: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2305473654998061322==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2305473654998061322== Content-Type: multipart/alternative; boundary="_f4932c86-5238-45d9-984c-f70e4752cabf_" --_f4932c86-5238-45d9-984c-f70e4752cabf_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm trying to find a way of passing a file into a unikernel when deploying.= I'm pretty sure this has been mentioned in the lists in the past=2C but I = just can't track down the discussion. I really want to avoid using any form of compiled approach or an alternativ= e like vchan etc.. I think that as the file sizes can be as large as 5MB=2C= encoding as a string and passing it as a variable would probably kill the = deployment. Does anyone know of a simple way forward here? Cheers Nick = --_f4932c86-5238-45d9-984c-f70e4752cabf_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm trying to find a way of pass= ing a file into a unikernel when deploying. I'm pretty sure this has been m= entioned in the lists in the past=2C but I just can't track down the discus= sion.

I really want to avoid using any form of compiled approach or = an alternative like vchan etc.. I think that as the file sizes can be as la= rge as 5MB=2C encoding as a string and passing it as a variable would proba= bly kill the deployment.

Does anyone know of a simple way forward he= re?

Cheers
Nick
= --_f4932c86-5238-45d9-984c-f70e4752cabf_-- --===============2305473654998061322== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2305473654998061322==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 11:04:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 11:04:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDXs-0007kz-Nm; Mon, 03 Aug 2015 11:04:40 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDXr-0007ku-6x for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 11:04:39 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id E0/69-16618-6CA4FB55; Mon, 03 Aug 2015 11:04:38 +0000 X-Env-Sender: prvs=6504db96f=Dave.Scott@citrix.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1438599877!37414139!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26590 invoked from network); 3 Aug 2015 11:04:37 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 11:04:37 -0000 X-IronPort-AV: E=Sophos;i="5.15,600,1432598400"; d="scan'208";a="1737074" From: Dave Scott To: Nick Betteridge Thread-Topic: [MirageOS-devel] Deploying unikernels with files as arguments Thread-Index: AQHQzdEBN+EKvTlUe06kLfNbMzRtT535+zUA Date: Mon, 3 Aug 2015 11:04:36 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > On 3 Aug 2015, at 10:44, Nick Betteridge wrot= e: > = > I'm trying to find a way of passing a file into a unikernel when deployin= g. I'm pretty sure this has been mentioned in the lists in the past, but I = just can't track down the discussion. > = > I really want to avoid using any form of compiled approach or an alternat= ive like vchan etc.. I think that as the file sizes can be as large as 5MB,= encoding as a string and passing it as a variable would probably kill the = deployment. > = > Does anyone know of a simple way forward here? Mirage 2.6.0 now supports block devices containing tar-formatted data, expo= sed as KV_RO inside the kernel. To see how it works, check out this commit in mirage-www: https://github.com/mirage/mirage-www/commit/5c4132ce944aed7375837211193b239= d221da946 The function `archive_of_files` is defined here: https://github.com/mirage/mirage/blob/cd92d39eefda34e73fcd0d365afc6b5be62e7= 8bf/lib/mirage.mli#L159 The implementation will tar up the directory you give it, and add a block d= evice to the VM configuration. Take a look at the generated .xl config file= to see the generated `disk` section. When the VM starts it will scan once = through the archive and build an index of file -> offset in the tar stream.= All reads of the data will be done via the block interface, avoiding cachi= ng them in memory. It=92s also possible to use the FAT filesystem driver but the (driver) code= is a bit more complicated and has known bugs (mainly concurrency ones whic= h might not matter if your data is read only). Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 11:04:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 11:04:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDXs-0007kz-Nm; Mon, 03 Aug 2015 11:04:40 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDXr-0007ku-6x for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 11:04:39 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id E0/69-16618-6CA4FB55; Mon, 03 Aug 2015 11:04:38 +0000 X-Env-Sender: prvs=6504db96f=Dave.Scott@citrix.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1438599877!37414139!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26590 invoked from network); 3 Aug 2015 11:04:37 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 11:04:37 -0000 X-IronPort-AV: E=Sophos;i="5.15,600,1432598400"; d="scan'208";a="1737074" From: Dave Scott To: Nick Betteridge Thread-Topic: [MirageOS-devel] Deploying unikernels with files as arguments Thread-Index: AQHQzdEBN+EKvTlUe06kLfNbMzRtT535+zUA Date: Mon, 3 Aug 2015 11:04:36 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > On 3 Aug 2015, at 10:44, Nick Betteridge wrot= e: > = > I'm trying to find a way of passing a file into a unikernel when deployin= g. I'm pretty sure this has been mentioned in the lists in the past, but I = just can't track down the discussion. > = > I really want to avoid using any form of compiled approach or an alternat= ive like vchan etc.. I think that as the file sizes can be as large as 5MB,= encoding as a string and passing it as a variable would probably kill the = deployment. > = > Does anyone know of a simple way forward here? Mirage 2.6.0 now supports block devices containing tar-formatted data, expo= sed as KV_RO inside the kernel. To see how it works, check out this commit in mirage-www: https://github.com/mirage/mirage-www/commit/5c4132ce944aed7375837211193b239= d221da946 The function `archive_of_files` is defined here: https://github.com/mirage/mirage/blob/cd92d39eefda34e73fcd0d365afc6b5be62e7= 8bf/lib/mirage.mli#L159 The implementation will tar up the directory you give it, and add a block d= evice to the VM configuration. Take a look at the generated .xl config file= to see the generated `disk` section. When the VM starts it will scan once = through the archive and build an index of file -> offset in the tar stream.= All reads of the data will be done via the block interface, avoiding cachi= ng them in memory. It=92s also possible to use the FAT filesystem driver but the (driver) code= is a bit more complicated and has known bugs (mainly concurrency ones whic= h might not matter if your data is read only). Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 11:30:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 11:30:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDwR-0000cx-Ge; Mon, 03 Aug 2015 11:30:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDwQ-0000ck-P7 for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 11:30:02 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 01/33-16965-AB05FB55; Mon, 03 Aug 2015 11:30:02 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1438601401!31719439!1 X-Originating-IP: [157.55.0.234] X-SpamReason: No, hits=0.1 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16555 invoked from network); 3 Aug 2015 11:30:01 -0000 Received: from dub004-omc1s35.hotmail.com (HELO DUB004-OMC1S35.hotmail.com) (157.55.0.234) by server-2.tower-31.messagelabs.com with AES256-SHA encrypted SMTP; 3 Aug 2015 11:30:01 -0000 Received: from DUB128-W57 ([157.55.0.237]) by DUB004-OMC1S35.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 3 Aug 2015 04:30:00 -0700 X-TMN: [sTReOzAxx8sNdCn4YTKl4hkTsD7fsVA0] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Dave Scott Date: Mon, 3 Aug 2015 11:30:00 +0000 Importance: Normal In-Reply-To: References: , MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 11:30:00.0421 (UTC) FILETIME=[BBB2E950:01D0CDDF] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6534210145318987452==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6534210145318987452== Content-Type: multipart/alternative; boundary="_d5f07b47-2835-429c-ab07-f58fc3181bb3_" --_d5f07b47-2835-429c-ab07-f58fc3181bb3_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >=20 > Cheers=2C > Dave >=20 Stellar. Very grateful. Thanks. Cheers Nick = --_d5f07b47-2835-429c-ab07-f58fc3181bb3_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>=3B
>=3B Cheer= s=2C
>=3B Dave
>=3B

Stellar. Very grateful. Thanks.
Cheers
Nick
= --_d5f07b47-2835-429c-ab07-f58fc3181bb3_-- --===============6534210145318987452== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6534210145318987452==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 11:30:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 11:30:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDwR-0000cx-Ge; Mon, 03 Aug 2015 11:30:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMDwQ-0000ck-P7 for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 11:30:02 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 01/33-16965-AB05FB55; Mon, 03 Aug 2015 11:30:02 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1438601401!31719439!1 X-Originating-IP: [157.55.0.234] X-SpamReason: No, hits=0.1 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16555 invoked from network); 3 Aug 2015 11:30:01 -0000 Received: from dub004-omc1s35.hotmail.com (HELO DUB004-OMC1S35.hotmail.com) (157.55.0.234) by server-2.tower-31.messagelabs.com with AES256-SHA encrypted SMTP; 3 Aug 2015 11:30:01 -0000 Received: from DUB128-W57 ([157.55.0.237]) by DUB004-OMC1S35.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 3 Aug 2015 04:30:00 -0700 X-TMN: [sTReOzAxx8sNdCn4YTKl4hkTsD7fsVA0] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Dave Scott Date: Mon, 3 Aug 2015 11:30:00 +0000 Importance: Normal In-Reply-To: References: , MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 11:30:00.0421 (UTC) FILETIME=[BBB2E950:01D0CDDF] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6534210145318987452==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6534210145318987452== Content-Type: multipart/alternative; boundary="_d5f07b47-2835-429c-ab07-f58fc3181bb3_" --_d5f07b47-2835-429c-ab07-f58fc3181bb3_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >=20 > Cheers=2C > Dave >=20 Stellar. Very grateful. Thanks. Cheers Nick = --_d5f07b47-2835-429c-ab07-f58fc3181bb3_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>=3B
>=3B Cheer= s=2C
>=3B Dave
>=3B

Stellar. Very grateful. Thanks.
Cheers
Nick
= --_d5f07b47-2835-429c-ab07-f58fc3181bb3_-- --===============6534210145318987452== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6534210145318987452==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 13:27:50 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 13:27:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMFmH-0008Qs-AJ; Mon, 03 Aug 2015 13:27:41 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMFmG-0008Qk-Cv for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 13:27:40 +0000 Received: from [193.109.254.147] by server-12.bemta-14.messagelabs.com id 6B/DE-18744-B4C6FB55; 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Mon, 03 Aug 2015 06:27:37 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 3 Aug 2015 06:27:37 -0700 (PDT) In-Reply-To: References: <6D262DFB-EA5C-44CB-A908-FD0E28F7995D@citrix.com> <25D2AE7E-764E-44AE-B91E-AF0C5482D50B@recoil.org> <061FAEAA-F343-46BE-B204-AAA8D45E46B1@recoil.org> Date: Mon, 3 Aug 2015 14:27:37 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] github xen git mirror X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMzAgSnVseSAyMDE1IGF0IDE2OjE2LCBBbmlsIE1hZGhhdmFwZWRkeSA8YW5pbEByZWNvaWwu b3JnPiB3cm90ZToKPgo+IE9uIDMwIEp1bCAyMDE1LCBhdCAxNjoxMywgTHVrZSBEdW5zdGFuIDxs dWtlZHVuc3RhbjgxQGdtYWlsLmNvbT4gd3JvdGU6Cj4KPgo+IE9uIHRoZSBub3JtYWwgVHJ1c3R5 IGN1YmllYm9hcmQyIGltYWdlIEkgY2FuIGluc3RhbGwgbWluaW9zLXhlbiBmaW5lLCBidXQgb24K PiBWaXZpZCBJIGdldCBhbiBlcnJvcjoKPgo+ICQgb3BhbSBpbnN0YWxsIG1pbmlvcy14ZW4KPgo+ IFtFUlJPUl0gVGhlIGNvbXBpbGF0aW9uIG9mIG1pbmlvcy14ZW4gZmFpbGVkIGF0ICJtYWtlIGRl YnVnPW4iLgo+IC4uLgo+ICAjIyMgc3RkZXJyICMjIwo+ICMgZHRjL2xpYmZkdC9mZHRfcm8uYzo0 NTM6NjogZXJyb3I6IOKAmG5vZGVkZXB0aOKAmSBtYXkgYmUgdXNlZCB1bmluaXRpYWxpemVkIGlu Cj4gdGhpcyBmdW5jdGlvbiBbLVdlcnJvcj1tYXliZS11bmluaXRpYWxpemVkXQo+ICMgWy4uLl0K PiAjIC9ob21lL21pcmFnZS8ub3BhbS80LjAyLjEvYnVpbGQvbWluaW9zLXhlbi4wLjcvaW5jbHVk ZS9saWJmZHQuaDogSW4KPiBmdW5jdGlvbiDigJhmZHRfcGFyZW50X29mZnNldOKAmToKPiAjIGR0 Yy9saWJmZHQvZmR0X3JvLmM6NDY4Ojk6IGVycm9yOiDigJhub2RlZGVwdGjigJkgbWF5IGJlIHVz ZWQgdW5pbml0aWFsaXplZCBpbgo+IHRoaXMgZnVuY3Rpb24gWy1XZXJyb3I9bWF5YmUtdW5pbml0 aWFsaXplZF0KPiAjICAgcmV0dXJuIGZkdF9zdXBlcm5vZGVfYXRkZXB0aF9vZmZzZXQoZmR0LCBu b2Rlb2Zmc2V0LAo+ICMgICAgICAgICAgXgo+ICMgZHRjL2xpYmZkdC9mZHRfcm8uYzo0NTM6Njog bm90ZTog4oCYbm9kZWRlcHRo4oCZIHdhcyBkZWNsYXJlZCBoZXJlCj4gIyAgIGludCBub2RlZGVw dGg7Cj4gIyAgICAgICBeCj4gIyBjYzE6IGFsbCB3YXJuaW5ncyBiZWluZyB0cmVhdGVkIGFzIGVy cm9ycwo+ICMgbWFrZTogKioqCj4gWy9ob21lL21pcmFnZS8ub3BhbS80LjAyLjEvYnVpbGQvbWlu aW9zLXhlbi4wLjcvZHRjL2xpYmZkdC9mZHRfcm8ub10gRXJyb3IgMQo+Cj4gbWlyYWdlLXhlbi1t aW5pb3MuMC43LjAgd2FzIE9LIGJlY2F1c2Ugb2Y6Cj4KPiBodHRwczovL2dpdGh1Yi5jb20vdGFs ZXg1L3hlbi9jb21taXQvODA0ZDQwYjRmZTAwZDY4ZTFiZTMxNjBmOGJjYzBkOTRmM2Q0ZWRmMAo+ Cj4gSSdtIGd1ZXNzaW5nIHRoYXQgdGhlIGRpZmZlcmVuY2UgaW4gdGhpcyBpbWFnZSBpcyB0aGF0 IGl0IGhhcyBHQ0MtNC45LjIKPiBpbnN0ZWFkIG9mIDQuOC54LCBidXQgSSdtIG5vdCBjZXJ0YWlu Lgo+Cj4KPiBDb3VsZCB3ZSB0dXJuIG9mZiAtV2Vycm9yIGZvciB0aGUgT1BBTSBidWlsZHMsIFRo b21hcz8gIEl0J3Mgb25seSByZWFsbHkKPiB1c2VmdWwgb24gVHJhdmlzIG9yIG90aGVyIENJIGJ1 aWxkcyB0byBzcG90IHJlZ3Jlc3Npb25zLCBidXQgcXVpdGUgYSBibG9ja2VyCj4gd2hlbiB1c2lu ZyBhIHZhcmllZCBidWlsZCB0b29sY2hhaW4uCgpJdCB3YXMgaGFyZC1jb2RlZCBpbnRvIE1pbmkt T1MncyBidWlsZCBzeXN0ZW0uIEkndmUgcmVtb3ZlZCBpdCwgYW5kCmFkZGVkIGEgJFRSQVZJU19D RkxBR1Mgc28gd2UgY2FuIHN0aWxsIHVzZSBpdCBmb3IgQ0kuCgoKLS0gCkRyIFRob21hcyBMZW9u YXJkICAgICAgICBodHRwOi8vcm9zY2lkdXMuY29tL2Jsb2cvCkdQRzogREE5OCAyNUFFIENBRDAg ODk3NSA3Q0RBICBCRDhFIDA3MTMgM0Y5NiBDQTc0IEQ4QkEKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApN aXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVj dC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 13:27:50 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 13:27:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMFmH-0008Qs-AJ; 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Mon, 03 Aug 2015 14:26:42 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMGhN-0004MH-PU for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 14:26:41 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id E9/B4-28221-12A7FB55; Mon, 03 Aug 2015 14:26:41 +0000 X-Env-Sender: prvs=6504db96f=Dave.Scott@citrix.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1438612000!29973174!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9981 invoked from network); 3 Aug 2015 14:26:40 -0000 Received: from smtp.eu.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 14:26:40 -0000 X-IronPort-AV: E=Sophos;i="5.15,602,1432598400"; d="scan'208";a="1742898" From: Dave Scott To: mirageos-devel Thread-Topic: deployment scripts: moving (e.g. mirage-www) away from crunch? Thread-Index: AQHQzfhoz7W34T23oESteJPARllj+Q== Date: Mon, 3 Aug 2015 14:26:38 +0000 Message-ID: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: <51686C7DBB9C1946B108D49A299364AF@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Subject: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGksDQoNCkF0IHRoZSBtb21lbnQgdGhlIG1pcmFnZSB3ZWJzaXRlcyBhcmUgZGVwbG95ZWQgYXV0 b21hdGljYWxseSByb3VnaGx5IGxpa2UgdGhpczoNCg0KLSBkZXZlbG9wZXIgbWFrZXMgYSBwdWxs IHJlcXVlc3QgYWdhaW5zdCBjb2RlIHJlcG8gKGUuZy4gaHR0cHM6Ly9naXRodWIuY29tL21pcmFn ZS9taXJhZ2Utd3d3KQ0KLSB0cmF2aXMgYnVpbGRzIGFuZCBwZXJmb3JtcyBzYW5pdHkgY2hlY2tz DQotIHJldmlld2VyIHJldmlld3MgYW5kIG1lcmdlcyB0aGUgY2hhbmdlDQotIHRyYXZpcyBidWls ZHMgYSBzaW5nbGUgWGVuIHVuaWtlcm5lbCBpbWFnZSBhbmQgY2hlY2tzIGl0IGludG8gYSBkZXBs b3ltZW50IHJlcG8gKGUuZy4gaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2Utd3d3LWRl cGxveW1lbnQpDQotIHRoZSBob3N0IHB1bGxzIGZyb20gdGhlIGRlcGxveW1lbnQgcmVwbyBhbmQg cmVzdGFydHMgdGhlIFZNDQoNClRoZSBYZW4gdW5pa2VybmVsIGlzIHN0YW5kYWxvbmU6IGl0IGNv bnRhaW5zIGFsbCB0aGUgY29kZSBhbmQgZGF0YSBsaW5rZWQgdG9nZXRoZXIsIGNvbnNpc3RlbnQg d2l0aCB0aGUgTWlyYWdlIHBoaWxvc29waHkuIEhvd2V2ZXIgYXMgdGhlIE1pcmFnZSB3ZWJzaXRl cyBnYWluIG5ldyBjb250ZW50LCB0aGUgYW1vdW50IG9mIHN0YXRpYyBkYXRhIGluY3JlYXNlcy4g U2luY2UgdGhpcyBpcyBhbGwg4oCYY3J1bmNo4oCZZWQgaW50byB0aGUga2VybmVsIGJpbmFyeSBp dCBlbmRzIHVwIGJlaW5nIGxvYWRlZCBpbnRvIFJBTSBhbmQgc2l0dGluZyBpbiB0aGUgT0NhbWwg aGVhcC4gVGhlcmVmb3JlIHRoZSBtZW1vcnkgZm9vdHByaW50IG9mIHRoZSB1bmlrZXJuZWxzIGlz IHNsb3dseSBpbmNyZWFzaW5nIG92ZXIgdGltZS4gSXTigJlzIG9idmlvdXNseSBhIGJpdCBvZiBh IGtpbGxlciBpZiB5b3Ugd2FudCB0byBzZXJ2ZSBzb21ldGhpbmcgZ2VudWluZWx5IGJpZyAoc2F5 IGEgdmlkZW8pIGZyb20gYSBsb3ctbWVtb3J5IGRldmljZSAoYSBsaXR0bGUgY3ViaWVib2FyZDIg cGVyaGFwcykNCg0KSSB3YXMgd29uZGVyaW5nIGlmIHdlIHNob3VsZCBtb3ZlIGF3YXkgZnJvbSBj cnVuY2gsIGFuZCB1c2Ugc29tZSBvdGhlciBtZXRob2QgZm9yIHN0YXRpYyBkYXRhLiBNaXJhZ2Ug YWxyZWFkeSBzdXBwb3J0cyBzdGF0aWMgZGF0YQ0KDQotIGZyb20gSXJtaW4NCi0gZnJvbSBCTE9D SyBkZXZpY2VzIGZvcm1hdHRlZCB3aXRoIEZBVA0KLSBmcm9tIEJMT0NLIGRldmljZXMgY29udGFp bmluZyB0YXItZm9ybWF0IGRhdGEgKG5ldyBpbiBNaXJhZ2UgMi42LjApDQoNCkkgY2FuIHRoaW5r IG9mIDIgZ2VuZXJhbCBhcHByb2FjaGVzOg0KDQoxLiBkdXJpbmcgdGhlIGV4aXN0aW5nIGJ1aWxk IHByb2Nlc3MsIGJ1aWxkIGJvdGggYSBrZXJuZWwgYW5kIGEgc2Vjb25kIGJpbmFyeSBibG9iIGNv bnRhaW5pbmcgZGF0YSB3aGljaCB3aWxsIGJlY29tZSBhIEJMT0NLIGRldmljZS4gVGhlIGRlcGxv eW1lbnQgc2NyaXB0cyB3b3VsZCBzaW1wbHkgaGF2ZSB0byBhdHRhY2ggdGhlIEJMT0NLIGRldmlj ZXMgaW4gdGhlIFZNIGNvbmZpZ3VyYXRpb24uDQoNCjIuIGNoZWNrIGluIHRoZSBkYXRhIGZpbGVz IGludG8gYSBzdWJkaXJlY3RvcnkgaW4gdGhlIGRlcGxveW1lbnQgdHJlZSwgYW5kIG1ha2UgdGhl IGRlcGxveW1lbnQgc2NyaXB0cyBwZXJmb3JtIHRoZSBmaW5hbCBjb252ZXJzaW9uICh0byBJcm1p biwgRkFUIG9yIHRhcikuIFRoaXMgaGFzIHRoZSBkaXNhZHZhbnRhZ2UgdGhhdCBpdCBsZWF2ZXMg c29tZSBvZiB0aGUgZmluYWwg4oCYbGlua2luZ+KAmSB0byB0aGUgZGVwbG95bWVudCBzY3JpcHRz ICh3aGljaCBhcmUgY3VycmVudGx5IG91dHNpZGUgdGhlIHNjb3BlIG9mIHRoZSDigJhtaXJhZ2Xi gJkgdG9vbCkgYnV0IGl0IGhhcyB0aGUgYWR2YW50YWdlIHRoYXQgdGhlIGluZGl2aWR1YWwgZGF0 YSBmaWxlcyBzaG91bGQgYmUgZGUtZHVwZWQgYnkgZ2l0L0lybWluLCBzaW5jZSB0aGVpciBzaGEx IGhhc2hlcyBzaG91bGQgbWF0Y2guIElmIHRoaXMgZmluYWwgYXNzZW1ibHkgc3RhZ2UgZ2V0cyBt b3JlIGNvbXBsaWNhdGVkLCBzaG91bGQgdGhlIOKAmG1pcmFnZeKAmSB0b29sIGdhaW4gc29tZSBl eHRyYSBzdXBwb3J0IGZvciBpdCAobWlyYWdlIGNvbmZpZ3VyZTsgbWlyYWdlIGJ1aWxkOyDigKYg bGF0ZXIgb24gYSBkaWZmZXJlbnQgaG9zdCDigKY7IG1pcmFnZSBkZXBsb3k/KQ0KDQpUaGVyZeKA mXMgYWxzbyB0aGUgaXNzdWUgb2YgaG93IGJlc3QgdG8gaGFuZGxlIHNlY3JldCB2b2x1bWVzIHN1 Y2ggYXMgdGhvc2UgY29udGFpbmluZyBrZXlzLg0KDQpXaGF0IGRvIHlvdSB0aGluaz8NCg0KQ2hl ZXJzLA0KRGF2ZQ0KDQoNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFu L2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 14:26:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 14:26:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMGhO-0004Nq-ST; Mon, 03 Aug 2015 14:26:42 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMGhN-0004MH-PU for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 14:26:41 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id E9/B4-28221-12A7FB55; Mon, 03 Aug 2015 14:26:41 +0000 X-Env-Sender: prvs=6504db96f=Dave.Scott@citrix.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1438612000!29973174!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9981 invoked from network); 3 Aug 2015 14:26:40 -0000 Received: from smtp.eu.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 14:26:40 -0000 X-IronPort-AV: E=Sophos;i="5.15,602,1432598400"; d="scan'208";a="1742898" From: Dave Scott To: mirageos-devel Thread-Topic: deployment scripts: moving (e.g. mirage-www) away from crunch? Thread-Index: AQHQzfhoz7W34T23oESteJPARllj+Q== Date: Mon, 3 Aug 2015 14:26:38 +0000 Message-ID: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: <51686C7DBB9C1946B108D49A299364AF@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Subject: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGksDQoNCkF0IHRoZSBtb21lbnQgdGhlIG1pcmFnZSB3ZWJzaXRlcyBhcmUgZGVwbG95ZWQgYXV0 b21hdGljYWxseSByb3VnaGx5IGxpa2UgdGhpczoNCg0KLSBkZXZlbG9wZXIgbWFrZXMgYSBwdWxs IHJlcXVlc3QgYWdhaW5zdCBjb2RlIHJlcG8gKGUuZy4gaHR0cHM6Ly9naXRodWIuY29tL21pcmFn ZS9taXJhZ2Utd3d3KQ0KLSB0cmF2aXMgYnVpbGRzIGFuZCBwZXJmb3JtcyBzYW5pdHkgY2hlY2tz DQotIHJldmlld2VyIHJldmlld3MgYW5kIG1lcmdlcyB0aGUgY2hhbmdlDQotIHRyYXZpcyBidWls ZHMgYSBzaW5nbGUgWGVuIHVuaWtlcm5lbCBpbWFnZSBhbmQgY2hlY2tzIGl0IGludG8gYSBkZXBs b3ltZW50IHJlcG8gKGUuZy4gaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2Utd3d3LWRl cGxveW1lbnQpDQotIHRoZSBob3N0IHB1bGxzIGZyb20gdGhlIGRlcGxveW1lbnQgcmVwbyBhbmQg cmVzdGFydHMgdGhlIFZNDQoNClRoZSBYZW4gdW5pa2VybmVsIGlzIHN0YW5kYWxvbmU6IGl0IGNv bnRhaW5zIGFsbCB0aGUgY29kZSBhbmQgZGF0YSBsaW5rZWQgdG9nZXRoZXIsIGNvbnNpc3RlbnQg d2l0aCB0aGUgTWlyYWdlIHBoaWxvc29waHkuIEhvd2V2ZXIgYXMgdGhlIE1pcmFnZSB3ZWJzaXRl cyBnYWluIG5ldyBjb250ZW50LCB0aGUgYW1vdW50IG9mIHN0YXRpYyBkYXRhIGluY3JlYXNlcy4g U2luY2UgdGhpcyBpcyBhbGwg4oCYY3J1bmNo4oCZZWQgaW50byB0aGUga2VybmVsIGJpbmFyeSBp dCBlbmRzIHVwIGJlaW5nIGxvYWRlZCBpbnRvIFJBTSBhbmQgc2l0dGluZyBpbiB0aGUgT0NhbWwg aGVhcC4gVGhlcmVmb3JlIHRoZSBtZW1vcnkgZm9vdHByaW50IG9mIHRoZSB1bmlrZXJuZWxzIGlz IHNsb3dseSBpbmNyZWFzaW5nIG92ZXIgdGltZS4gSXTigJlzIG9idmlvdXNseSBhIGJpdCBvZiBh IGtpbGxlciBpZiB5b3Ugd2FudCB0byBzZXJ2ZSBzb21ldGhpbmcgZ2VudWluZWx5IGJpZyAoc2F5 IGEgdmlkZW8pIGZyb20gYSBsb3ctbWVtb3J5IGRldmljZSAoYSBsaXR0bGUgY3ViaWVib2FyZDIg cGVyaGFwcykNCg0KSSB3YXMgd29uZGVyaW5nIGlmIHdlIHNob3VsZCBtb3ZlIGF3YXkgZnJvbSBj cnVuY2gsIGFuZCB1c2Ugc29tZSBvdGhlciBtZXRob2QgZm9yIHN0YXRpYyBkYXRhLiBNaXJhZ2Ug YWxyZWFkeSBzdXBwb3J0cyBzdGF0aWMgZGF0YQ0KDQotIGZyb20gSXJtaW4NCi0gZnJvbSBCTE9D SyBkZXZpY2VzIGZvcm1hdHRlZCB3aXRoIEZBVA0KLSBmcm9tIEJMT0NLIGRldmljZXMgY29udGFp bmluZyB0YXItZm9ybWF0IGRhdGEgKG5ldyBpbiBNaXJhZ2UgMi42LjApDQoNCkkgY2FuIHRoaW5r IG9mIDIgZ2VuZXJhbCBhcHByb2FjaGVzOg0KDQoxLiBkdXJpbmcgdGhlIGV4aXN0aW5nIGJ1aWxk IHByb2Nlc3MsIGJ1aWxkIGJvdGggYSBrZXJuZWwgYW5kIGEgc2Vjb25kIGJpbmFyeSBibG9iIGNv bnRhaW5pbmcgZGF0YSB3aGljaCB3aWxsIGJlY29tZSBhIEJMT0NLIGRldmljZS4gVGhlIGRlcGxv eW1lbnQgc2NyaXB0cyB3b3VsZCBzaW1wbHkgaGF2ZSB0byBhdHRhY2ggdGhlIEJMT0NLIGRldmlj ZXMgaW4gdGhlIFZNIGNvbmZpZ3VyYXRpb24uDQoNCjIuIGNoZWNrIGluIHRoZSBkYXRhIGZpbGVz IGludG8gYSBzdWJkaXJlY3RvcnkgaW4gdGhlIGRlcGxveW1lbnQgdHJlZSwgYW5kIG1ha2UgdGhl IGRlcGxveW1lbnQgc2NyaXB0cyBwZXJmb3JtIHRoZSBmaW5hbCBjb252ZXJzaW9uICh0byBJcm1p biwgRkFUIG9yIHRhcikuIFRoaXMgaGFzIHRoZSBkaXNhZHZhbnRhZ2UgdGhhdCBpdCBsZWF2ZXMg c29tZSBvZiB0aGUgZmluYWwg4oCYbGlua2luZ+KAmSB0byB0aGUgZGVwbG95bWVudCBzY3JpcHRz ICh3aGljaCBhcmUgY3VycmVudGx5IG91dHNpZGUgdGhlIHNjb3BlIG9mIHRoZSDigJhtaXJhZ2Xi gJkgdG9vbCkgYnV0IGl0IGhhcyB0aGUgYWR2YW50YWdlIHRoYXQgdGhlIGluZGl2aWR1YWwgZGF0 YSBmaWxlcyBzaG91bGQgYmUgZGUtZHVwZWQgYnkgZ2l0L0lybWluLCBzaW5jZSB0aGVpciBzaGEx IGhhc2hlcyBzaG91bGQgbWF0Y2guIElmIHRoaXMgZmluYWwgYXNzZW1ibHkgc3RhZ2UgZ2V0cyBt b3JlIGNvbXBsaWNhdGVkLCBzaG91bGQgdGhlIOKAmG1pcmFnZeKAmSB0b29sIGdhaW4gc29tZSBl eHRyYSBzdXBwb3J0IGZvciBpdCAobWlyYWdlIGNvbmZpZ3VyZTsgbWlyYWdlIGJ1aWxkOyDigKYg bGF0ZXIgb24gYSBkaWZmZXJlbnQgaG9zdCDigKY7IG1pcmFnZSBkZXBsb3k/KQ0KDQpUaGVyZeKA mXMgYWxzbyB0aGUgaXNzdWUgb2YgaG93IGJlc3QgdG8gaGFuZGxlIHNlY3JldCB2b2x1bWVzIHN1 Y2ggYXMgdGhvc2UgY29udGFpbmluZyBrZXlzLg0KDQpXaGF0IGRvIHlvdSB0aGluaz8NCg0KQ2hl ZXJzLA0KRGF2ZQ0KDQoNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFu L2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 16:16:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 16:16:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIPM-0004mU-CM; 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Mon, 3 Aug 2015 09:16:08 -0700 X-TMN: [rQPYXN8tjSkwdlzL0TQmy2Onc9pbVFvB] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: "mirageos-devel@lists.xenproject.org" Date: Mon, 3 Aug 2015 16:16:08 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 16:16:08.0683 (UTC) FILETIME=[B4C7CBB0:01D0CE07] Subject: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1066599766665950703==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1066599766665950703== Content-Type: multipart/alternative; boundary="_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_" --_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi I have a use case where I need the clock resolution to be in milliseconds. = Is there anyway I can get hold of the time in milli (/micro/nano) seconds f= rom the system clock without incurring too much of a performance penalty? Cheers=2C Nick = --_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi

I have a use case wher= e I need the clock resolution to be in milliseconds. Is there anyway I can = get hold of the time in milli (/micro/nano) seconds from the system clock w= ithout incurring too much of a performance penalty?

Cheers=2C
Nic= k


= --_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_-- --===============1066599766665950703== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1066599766665950703==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 16:16:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 16:16:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIPM-0004mU-CM; Mon, 03 Aug 2015 16:16:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIPK-0004mM-KX for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 16:16:10 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 57/0C-03763-9C39FB55; Mon, 03 Aug 2015 16:16:09 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1438618569!31856430!1 X-Originating-IP: [157.55.2.34] X-SpamReason: No, hits=0.7 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19725 invoked from network); 3 Aug 2015 16:16:09 -0000 Received: from dub004-omc3s25.hotmail.com (HELO DUB004-OMC3S25.hotmail.com) (157.55.2.34) by server-7.tower-31.messagelabs.com with AES256-SHA encrypted SMTP; 3 Aug 2015 16:16:09 -0000 Received: from DUB128-W44 ([157.55.2.7]) by DUB004-OMC3S25.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 3 Aug 2015 09:16:08 -0700 X-TMN: [rQPYXN8tjSkwdlzL0TQmy2Onc9pbVFvB] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: "mirageos-devel@lists.xenproject.org" Date: Mon, 3 Aug 2015 16:16:08 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 16:16:08.0683 (UTC) FILETIME=[B4C7CBB0:01D0CE07] Subject: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1066599766665950703==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1066599766665950703== Content-Type: multipart/alternative; boundary="_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_" --_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi I have a use case where I need the clock resolution to be in milliseconds. = Is there anyway I can get hold of the time in milli (/micro/nano) seconds f= rom the system clock without incurring too much of a performance penalty? Cheers=2C Nick = --_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi

I have a use case wher= e I need the clock resolution to be in milliseconds. Is there anyway I can = get hold of the time in milli (/micro/nano) seconds from the system clock w= ithout incurring too much of a performance penalty?

Cheers=2C
Nic= k


= --_bb4dd0de-f2b6-4785-93e1-60fea2c3177b_-- --===============1066599766665950703== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1066599766665950703==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 16:29:35 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 16:29:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIcH-00066e-Sf; Mon, 03 Aug 2015 16:29:33 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIcG-00066A-49 for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 16:29:32 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id 12/5A-02324-BE69FB55; Mon, 03 Aug 2015 16:29:31 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1438619370!22608668!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8822 invoked from network); 3 Aug 2015 16:29:30 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-16.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 16:29:30 -0000 Received: by vkca124 with SMTP id a124so44303934vkc.1 for ; Mon, 03 Aug 2015 09:29:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=iueeSXq9cddCxLLzND5BMy3FUpvxmKx2yeITjvV+u6s=; b=WiSsq8S4f2EsyAkrQcRszTkQ1LRZ0cuDE+OuBvrhOE/gDi26klyk4Pl/PDakoHtkyK nw0umJuAJpS5gCWpRF1hOB9p6JfzwbvDc6TyElGCQVtA7ylbNuM1QIJf5dfyjqaoL8AZ T31KyXHcZllXNEjSCyhCk7Oy1uz+kztoO0e3+y+UOLpDH8bxlGCspGnPvaaEHSCoy76W 6ht6/U9LcbGxD+UJpvEW7Z9aiwF4hQ6YCA9TI/InOQ7QJ8I6vvUsaTdaxeeeZ6wfiXFP DQBxzjs3Kyd0tijAza4kSQFIJjwIVqsltVeSN3sM5frtSxi6fNzOS0VTOklc5+qQBDs3 kDPA== MIME-Version: 1.0 X-Received: by 10.52.232.161 with SMTP id tp1mr28920411vdc.37.1438619369755; Mon, 03 Aug 2015 09:29:29 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 3 Aug 2015 09:29:29 -0700 (PDT) In-Reply-To: References: Date: Mon, 3 Aug 2015 17:29:29 +0100 Message-ID: From: Thomas Leonard To: Nick Betteridge Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 3 August 2015 at 17:16, Nick Betteridge wrote: > Hi > > I have a use case where I need the clock resolution to be in milliseconds. > Is there anyway I can get hold of the time in milli (/micro/nano) seconds > from the system clock without incurring too much of a performance penalty? I think Clock.time is probably as fast as it's going to get for the system clock, since it just calls the platform's gettimeofday function. If you only want to measure an interval and you're on Xen, OS.Time.Monotonic.time() might be slightly quicker, but I doubt there's much in it. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 16:29:35 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 16:29:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIcH-00066e-Sf; Mon, 03 Aug 2015 16:29:33 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMIcG-00066A-49 for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 16:29:32 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id 12/5A-02324-BE69FB55; Mon, 03 Aug 2015 16:29:31 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1438619370!22608668!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8822 invoked from network); 3 Aug 2015 16:29:30 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-16.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 16:29:30 -0000 Received: by vkca124 with SMTP id a124so44303934vkc.1 for ; Mon, 03 Aug 2015 09:29:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=iueeSXq9cddCxLLzND5BMy3FUpvxmKx2yeITjvV+u6s=; b=WiSsq8S4f2EsyAkrQcRszTkQ1LRZ0cuDE+OuBvrhOE/gDi26klyk4Pl/PDakoHtkyK nw0umJuAJpS5gCWpRF1hOB9p6JfzwbvDc6TyElGCQVtA7ylbNuM1QIJf5dfyjqaoL8AZ T31KyXHcZllXNEjSCyhCk7Oy1uz+kztoO0e3+y+UOLpDH8bxlGCspGnPvaaEHSCoy76W 6ht6/U9LcbGxD+UJpvEW7Z9aiwF4hQ6YCA9TI/InOQ7QJ8I6vvUsaTdaxeeeZ6wfiXFP DQBxzjs3Kyd0tijAza4kSQFIJjwIVqsltVeSN3sM5frtSxi6fNzOS0VTOklc5+qQBDs3 kDPA== MIME-Version: 1.0 X-Received: by 10.52.232.161 with SMTP id tp1mr28920411vdc.37.1438619369755; Mon, 03 Aug 2015 09:29:29 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 3 Aug 2015 09:29:29 -0700 (PDT) In-Reply-To: References: Date: Mon, 3 Aug 2015 17:29:29 +0100 Message-ID: From: Thomas Leonard To: Nick Betteridge Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 3 August 2015 at 17:16, Nick Betteridge wrote: > Hi > > I have a use case where I need the clock resolution to be in milliseconds. > Is there anyway I can get hold of the time in milli (/micro/nano) seconds > from the system clock without incurring too much of a performance penalty? I think Clock.time is probably as fast as it's going to get for the system clock, since it just calls the platform's gettimeofday function. If you only want to measure an interval and you're on Xen, OS.Time.Monotonic.time() might be slightly quicker, but I doubt there's much in it. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 16:58:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 16:58:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJ3q-0008Iv-Ml; Mon, 03 Aug 2015 16:58:02 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJ3p-0008Ih-7D for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 16:58:01 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id D8/4B-29649-89D9FB55; Mon, 03 Aug 2015 16:58:00 +0000 X-Env-Sender: justin@specialbusservice.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1438621079!31884010!1 X-Originating-IP: [209.85.215.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24198 invoked from network); 3 Aug 2015 16:58:00 -0000 Received: from mail-la0-f48.google.com (HELO mail-la0-f48.google.com) (209.85.215.48) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 3 Aug 2015 16:58:00 -0000 Received: by labsr2 with SMTP id sr2so15823432lab.2 for ; Mon, 03 Aug 2015 09:57:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=specialbusservice.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=lxhUF/tnWrQGm+VwjcwVCEle0Lkbqf8RK3mnfGrHxQU=; b=bfJ8FTc8dr4UnB90QN+98Oc9DqJavikPIjO2GpLFGjXppeFXbjY+YLtt7TRG5bH0Fl L97zpbOV5zkopVBKFo4JW2erpKAgq5Zo7VzU4xc691VROW7TZ1b+dia9MMdrn3UeZ9Pp pgkB8vb42OwWLnEaq/0rElCMd8FdJdzHbv6CY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=lxhUF/tnWrQGm+VwjcwVCEle0Lkbqf8RK3mnfGrHxQU=; b=il7OeWl3qRkQ4fQalX6aRNuXpb/fWAC0Vn3G14yJgZrtb+KCsUeJrThzaBYN8Qg3WP m2dlXcn3NVv8O70fz4FJFv5gQzZEcBZFQ6IQilPq561sWmbSBaaShsHkXgG2TALV+DIu B9vtytIcTtWjpoxcNzrcKvwod6Sv+1hI2RJdO91bvNKyz+ebopsRTKYA8CSRv5CEnZgD x99Msl6Jd3+ed2dBRCfy71G4tvJ1Ha3kpJ/BNvllnuRnugQ8yoX5nQrvjSWGhGDDu/85 qlomFRb1eu9slIz+xycWFjcvJ7dNabrCRT75w5lprR08h1o3jgnAaGE67mU5JNQzbioo +IuQ== X-Gm-Message-State: ALoCoQkgv0hHfqBO2G3lnGTdBwhHQQoxorgEuQ5VUPG93c5L3dGOyJ2KlXf7k5jlMEfHL+jkZ0qx MIME-Version: 1.0 X-Received: by 10.112.61.132 with SMTP id p4mr17992496lbr.48.1438621079418; Mon, 03 Aug 2015 09:57:59 -0700 (PDT) Received: by 10.152.197.37 with HTTP; Mon, 3 Aug 2015 09:57:59 -0700 (PDT) In-Reply-To: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> References: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Date: Mon, 3 Aug 2015 17:57:59 +0100 Message-ID: From: Justin Cormack To: Dave Scott Cc: mirageos-devel Subject: Re: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMyBBdWd1c3QgMjAxNSBhdCAxNToyNiwgRGF2ZSBTY290dCA8RGF2ZS5TY290dEBjaXRyaXgu Y29tPiB3cm90ZToKPiBJIHdhcyB3b25kZXJpbmcgaWYgd2Ugc2hvdWxkIG1vdmUgYXdheSBmcm9t IGNydW5jaCwgYW5kIHVzZSBzb21lIG90aGVyIG1ldGhvZCBmb3Igc3RhdGljIGRhdGEuIE1pcmFn ZSBhbHJlYWR5IHN1cHBvcnRzIHN0YXRpYyBkYXRhCgpJdCBpcyBjZXJ0YWlubHkgdXNlZnVsIGZv ciBzb21lIGFwcGxpY2F0aW9ucyBub3QgdG8gdXNlIFJBTS4KCj4gLSBmcm9tIElybWluCj4gLSBm cm9tIEJMT0NLIGRldmljZXMgZm9ybWF0dGVkIHdpdGggRkFUCj4gLSBmcm9tIEJMT0NLIGRldmlj ZXMgY29udGFpbmluZyB0YXItZm9ybWF0IGRhdGEgKG5ldyBpbiBNaXJhZ2UgMi42LjApCj4KPiBJ IGNhbiB0aGluayBvZiAyIGdlbmVyYWwgYXBwcm9hY2hlczoKPgo+IDEuIGR1cmluZyB0aGUgZXhp c3RpbmcgYnVpbGQgcHJvY2VzcywgYnVpbGQgYm90aCBhIGtlcm5lbCBhbmQgYSBzZWNvbmQgYmlu YXJ5IGJsb2IgY29udGFpbmluZyBkYXRhIHdoaWNoIHdpbGwgYmVjb21lIGEgQkxPQ0sgZGV2aWNl LiBUaGUgZGVwbG95bWVudCBzY3JpcHRzIHdvdWxkIHNpbXBseSBoYXZlIHRvIGF0dGFjaCB0aGUg QkxPQ0sgZGV2aWNlcyBpbiB0aGUgVk0gY29uZmlndXJhdGlvbi4KPgo+IDIuIGNoZWNrIGluIHRo ZSBkYXRhIGZpbGVzIGludG8gYSBzdWJkaXJlY3RvcnkgaW4gdGhlIGRlcGxveW1lbnQgdHJlZSwg YW5kIG1ha2UgdGhlIGRlcGxveW1lbnQgc2NyaXB0cyBwZXJmb3JtIHRoZSBmaW5hbCBjb252ZXJz aW9uICh0byBJcm1pbiwgRkFUIG9yIHRhcikuIFRoaXMgaGFzIHRoZSBkaXNhZHZhbnRhZ2UgdGhh dCBpdCBsZWF2ZXMgc29tZSBvZiB0aGUgZmluYWwg4oCYbGlua2luZ+KAmSB0byB0aGUgZGVwbG95 bWVudCBzY3JpcHRzICh3aGljaCBhcmUgY3VycmVudGx5IG91dHNpZGUgdGhlIHNjb3BlIG9mIHRo ZSDigJhtaXJhZ2XigJkgdG9vbCkgYnV0IGl0IGhhcyB0aGUgYWR2YW50YWdlIHRoYXQgdGhlIGlu ZGl2aWR1YWwgZGF0YSBmaWxlcyBzaG91bGQgYmUgZGUtZHVwZWQgYnkgZ2l0L0lybWluLCBzaW5j ZSB0aGVpciBzaGExIGhhc2hlcyBzaG91bGQgbWF0Y2guIElmIHRoaXMgZmluYWwgYXNzZW1ibHkg c3RhZ2UgZ2V0cyBtb3JlIGNvbXBsaWNhdGVkLCBzaG91bGQgdGhlIOKAmG1pcmFnZeKAmSB0b29s IGdhaW4gc29tZSBleHRyYSBzdXBwb3J0IGZvciBpdCAobWlyYWdlIGNvbmZpZ3VyZTsgbWlyYWdl IGJ1aWxkOyDigKYgbGF0ZXIgb24gYSBkaWZmZXJlbnQgaG9zdCDigKY7IG1pcmFnZSBkZXBsb3k/ KQoKVGhlIHNlY29uZCBzZWVtcyBwcmVmZXJhYmxlIHdoZXJlIHBvc3NpYmxlOyBpdCBhbGxvd3Mg ZGlyZWN0IG1vdW50aW5nCnZpYSBJcm1pbiBpZiB0aGUgZGVwbG95bWVudCB0cmVlIGlzIHRoZSBJ cm1pbiByZXBvLCBhbmQgY2FuIGFsc28gYmUKc2VydmVkIG92ZXIgbmZzLzlwIG9yIG90aGVyIGZp bGUgcHJvdG9jb2xzLCBhbmQgYXMgbW9yZSB0b29saW5nCmZyaWVuZGx5LiBHZW5lcmFsbHkgdGhl IGZpcnN0IHdpbGwgc3RpbGwgbmVlZCBhIGRlcGxveW1lbnQgc3RhZ2UgYXMKdGhlIGZpbGUgbWF5 IG5lZWQgdG8gYmUgY29waWVkIHRvIGEgKHBvc3NpYmx5IHJlbW90ZSkgYmxvY2sgZGV2aWNlLAph bmQgYWRkaW5nIGEgdGFyIHN0YWdlIHRoZW4gaXMgbm90IGFuIGlzc3VlLgoKPiBUaGVyZeKAmXMg YWxzbyB0aGUgaXNzdWUgb2YgaG93IGJlc3QgdG8gaGFuZGxlIHNlY3JldCB2b2x1bWVzIHN1Y2gg YXMgdGhvc2UgY29udGFpbmluZyBrZXlzLgoKVmVyeSBkZXBsb3ltZW50IHNwZWNpZmljLCBhbmQg eW91IHdhbnQgdGhpcyB0byBiZSBvdXQgb2Ygc2NvcGUgb2YKYnVpbGQgdG9vbHMgYXMgdGhlIGJ1 aWxkIHByb2Nlc3MgbWF5IG5vdCBoYXZlIGtleSBhY2Nlc3MuCgpKdXN0aW4KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxp bmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 16:58:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 16:58:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJ3q-0008Iv-Ml; 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Mon, 03 Aug 2015 09:57:59 -0700 (PDT) Received: by 10.152.197.37 with HTTP; Mon, 3 Aug 2015 09:57:59 -0700 (PDT) In-Reply-To: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> References: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Date: Mon, 3 Aug 2015 17:57:59 +0100 Message-ID: From: Justin Cormack To: Dave Scott Cc: mirageos-devel Subject: Re: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMyBBdWd1c3QgMjAxNSBhdCAxNToyNiwgRGF2ZSBTY290dCA8RGF2ZS5TY290dEBjaXRyaXgu Y29tPiB3cm90ZToKPiBJIHdhcyB3b25kZXJpbmcgaWYgd2Ugc2hvdWxkIG1vdmUgYXdheSBmcm9t IGNydW5jaCwgYW5kIHVzZSBzb21lIG90aGVyIG1ldGhvZCBmb3Igc3RhdGljIGRhdGEuIE1pcmFn ZSBhbHJlYWR5IHN1cHBvcnRzIHN0YXRpYyBkYXRhCgpJdCBpcyBjZXJ0YWlubHkgdXNlZnVsIGZv ciBzb21lIGFwcGxpY2F0aW9ucyBub3QgdG8gdXNlIFJBTS4KCj4gLSBmcm9tIElybWluCj4gLSBm cm9tIEJMT0NLIGRldmljZXMgZm9ybWF0dGVkIHdpdGggRkFUCj4gLSBmcm9tIEJMT0NLIGRldmlj ZXMgY29udGFpbmluZyB0YXItZm9ybWF0IGRhdGEgKG5ldyBpbiBNaXJhZ2UgMi42LjApCj4KPiBJ IGNhbiB0aGluayBvZiAyIGdlbmVyYWwgYXBwcm9hY2hlczoKPgo+IDEuIGR1cmluZyB0aGUgZXhp c3RpbmcgYnVpbGQgcHJvY2VzcywgYnVpbGQgYm90aCBhIGtlcm5lbCBhbmQgYSBzZWNvbmQgYmlu YXJ5IGJsb2IgY29udGFpbmluZyBkYXRhIHdoaWNoIHdpbGwgYmVjb21lIGEgQkxPQ0sgZGV2aWNl LiBUaGUgZGVwbG95bWVudCBzY3JpcHRzIHdvdWxkIHNpbXBseSBoYXZlIHRvIGF0dGFjaCB0aGUg QkxPQ0sgZGV2aWNlcyBpbiB0aGUgVk0gY29uZmlndXJhdGlvbi4KPgo+IDIuIGNoZWNrIGluIHRo ZSBkYXRhIGZpbGVzIGludG8gYSBzdWJkaXJlY3RvcnkgaW4gdGhlIGRlcGxveW1lbnQgdHJlZSwg YW5kIG1ha2UgdGhlIGRlcGxveW1lbnQgc2NyaXB0cyBwZXJmb3JtIHRoZSBmaW5hbCBjb252ZXJz aW9uICh0byBJcm1pbiwgRkFUIG9yIHRhcikuIFRoaXMgaGFzIHRoZSBkaXNhZHZhbnRhZ2UgdGhh dCBpdCBsZWF2ZXMgc29tZSBvZiB0aGUgZmluYWwg4oCYbGlua2luZ+KAmSB0byB0aGUgZGVwbG95 bWVudCBzY3JpcHRzICh3aGljaCBhcmUgY3VycmVudGx5IG91dHNpZGUgdGhlIHNjb3BlIG9mIHRo ZSDigJhtaXJhZ2XigJkgdG9vbCkgYnV0IGl0IGhhcyB0aGUgYWR2YW50YWdlIHRoYXQgdGhlIGlu ZGl2aWR1YWwgZGF0YSBmaWxlcyBzaG91bGQgYmUgZGUtZHVwZWQgYnkgZ2l0L0lybWluLCBzaW5j ZSB0aGVpciBzaGExIGhhc2hlcyBzaG91bGQgbWF0Y2guIElmIHRoaXMgZmluYWwgYXNzZW1ibHkg c3RhZ2UgZ2V0cyBtb3JlIGNvbXBsaWNhdGVkLCBzaG91bGQgdGhlIOKAmG1pcmFnZeKAmSB0b29s IGdhaW4gc29tZSBleHRyYSBzdXBwb3J0IGZvciBpdCAobWlyYWdlIGNvbmZpZ3VyZTsgbWlyYWdl IGJ1aWxkOyDigKYgbGF0ZXIgb24gYSBkaWZmZXJlbnQgaG9zdCDigKY7IG1pcmFnZSBkZXBsb3k/ KQoKVGhlIHNlY29uZCBzZWVtcyBwcmVmZXJhYmxlIHdoZXJlIHBvc3NpYmxlOyBpdCBhbGxvd3Mg ZGlyZWN0IG1vdW50aW5nCnZpYSBJcm1pbiBpZiB0aGUgZGVwbG95bWVudCB0cmVlIGlzIHRoZSBJ cm1pbiByZXBvLCBhbmQgY2FuIGFsc28gYmUKc2VydmVkIG92ZXIgbmZzLzlwIG9yIG90aGVyIGZp bGUgcHJvdG9jb2xzLCBhbmQgYXMgbW9yZSB0b29saW5nCmZyaWVuZGx5LiBHZW5lcmFsbHkgdGhl IGZpcnN0IHdpbGwgc3RpbGwgbmVlZCBhIGRlcGxveW1lbnQgc3RhZ2UgYXMKdGhlIGZpbGUgbWF5 IG5lZWQgdG8gYmUgY29waWVkIHRvIGEgKHBvc3NpYmx5IHJlbW90ZSkgYmxvY2sgZGV2aWNlLAph bmQgYWRkaW5nIGEgdGFyIHN0YWdlIHRoZW4gaXMgbm90IGFuIGlzc3VlLgoKPiBUaGVyZeKAmXMg YWxzbyB0aGUgaXNzdWUgb2YgaG93IGJlc3QgdG8gaGFuZGxlIHNlY3JldCB2b2x1bWVzIHN1Y2gg YXMgdGhvc2UgY29udGFpbmluZyBrZXlzLgoKVmVyeSBkZXBsb3ltZW50IHNwZWNpZmljLCBhbmQg eW91IHdhbnQgdGhpcyB0byBiZSBvdXQgb2Ygc2NvcGUgb2YKYnVpbGQgdG9vbHMgYXMgdGhlIGJ1 aWxkIHByb2Nlc3MgbWF5IG5vdCBoYXZlIGtleSBhY2Nlc3MuCgpKdXN0aW4KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxp bmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 17:33:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 17:33:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJbf-0001xn-8N; 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Mon, 3 Aug 2015 10:32:54 -0700 X-TMN: [r4ZbwctVY9knjNBBLzO7aJqbqTmDx0Sq] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Thomas Leonard , "mirageos-devel@lists.xenproject.org" Date: Mon, 3 Aug 2015 17:32:54 +0000 Importance: Normal In-Reply-To: References: , MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 17:32:54.0978 (UTC) FILETIME=[6E58A220:01D0CE12] Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6404264359371668440==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6404264359371668440== Content-Type: multipart/alternative; boundary="_658abc92-30bd-4b0a-a98c-466a2ba647ad_" --_658abc92-30bd-4b0a-a98c-466a2ba647ad_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable > > > > I have a use case where I need the clock resolution to be in millisecon= ds. > > Is there anyway I can get hold of the time in milli (/micro/nano) secon= ds > > from the system clock without incurring too much of a performance penal= ty? >=20 > I think Clock.time is probably as fast as it's going to get for the > system clock=2C since it just calls the platform's gettimeofday > function. >=20 > If you only want to measure an interval and you're on Xen=2C > OS.Time.Monotonic.time() might be slightly quicker=2C but I doubt > there's much in it. >=20 Ok=2C after reading through mirage-bindings/platform/clock_stubs.c I can se= e that the CLOCK.time is both the seconds and microseconds bundled together= as a float: CAMLreturn(caml_copy_double((double) tp.tv_sec + (double) tp.tv_usec / 1e6)= )=3B Having tv_sec and tv_usec exposed as integers would be very useful in mirag= eos - I'm working with integers in the time domain=2C and having to convert= an original integer to a float and then back to an integer seems a little = crazy. Any chance of embellishing CLOCK with tv_sec and tv_usec? :) Cheers Nick = --_658abc92-30bd-4b0a-a98c-466a2ba647ad_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>=3B >=3B
>=3B= >=3B I have a use case where I need the clock resolution to be in millis= econds.
>=3B >=3B Is there anyway I can get hold of the time in mill= i (/micro/nano) seconds
>=3B >=3B from the system clock without incu= rring too much of a performance penalty?
>=3B
>=3B I think Clock= .time is probably as fast as it's going to get for the
>=3B system clo= ck=2C since it just calls the platform's gettimeofday
>=3B function.>=3B
>=3B If you only want to measure an interval and you're on X= en=2C
>=3B OS.Time.Monotonic.time() might be slightly quicker=2C but I= doubt
>=3B there's much in it.
>=3B

Ok=2C after reading = through mirage-bindings/platform/clock_stubs.c I can see that the CLOCK.tim= e is both the seconds and microseconds bundled together as a float:

= CAMLreturn(caml_copy_dou= ble((double) tp.t= v_sec + (double) tp.tv_usec / 1e6))=3B

Having tv_= sec and tv_usec exposed as integers would be very useful in mirageos - I'm = working with integers in the time domain=2C and having to convert an origin= al integer to a float and then back to an integer seems a little crazy.
=
Any chance of embellishing CLOCK with tv_sec and tv_usec? :)

Che= ers
Nick
= --_658abc92-30bd-4b0a-a98c-466a2ba647ad_-- --===============6404264359371668440== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6404264359371668440==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 17:33:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 17:33:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJbf-0001xn-8N; Mon, 03 Aug 2015 17:32:59 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJbd-0001xZ-8D for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 17:32:57 +0000 Received: from [85.158.139.211] by server-7.bemta-5.messagelabs.com id D9/CA-13905-8C5AFB55; Mon, 03 Aug 2015 17:32:56 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1438623175!25473882!1 X-Originating-IP: [157.55.1.169] X-SpamReason: No, hits=0.2 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14682 invoked from network); 3 Aug 2015 17:32:55 -0000 Received: from dub004-omc2s30.hotmail.com (HELO DUB004-OMC2S30.hotmail.com) (157.55.1.169) by server-12.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 3 Aug 2015 17:32:55 -0000 Received: from DUB128-W71 ([157.55.1.137]) by DUB004-OMC2S30.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 3 Aug 2015 10:32:54 -0700 X-TMN: [r4ZbwctVY9knjNBBLzO7aJqbqTmDx0Sq] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Thomas Leonard , "mirageos-devel@lists.xenproject.org" Date: Mon, 3 Aug 2015 17:32:54 +0000 Importance: Normal In-Reply-To: References: , MIME-Version: 1.0 X-OriginalArrivalTime: 03 Aug 2015 17:32:54.0978 (UTC) FILETIME=[6E58A220:01D0CE12] Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6404264359371668440==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6404264359371668440== Content-Type: multipart/alternative; boundary="_658abc92-30bd-4b0a-a98c-466a2ba647ad_" --_658abc92-30bd-4b0a-a98c-466a2ba647ad_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable > > > > I have a use case where I need the clock resolution to be in millisecon= ds. > > Is there anyway I can get hold of the time in milli (/micro/nano) secon= ds > > from the system clock without incurring too much of a performance penal= ty? >=20 > I think Clock.time is probably as fast as it's going to get for the > system clock=2C since it just calls the platform's gettimeofday > function. >=20 > If you only want to measure an interval and you're on Xen=2C > OS.Time.Monotonic.time() might be slightly quicker=2C but I doubt > there's much in it. >=20 Ok=2C after reading through mirage-bindings/platform/clock_stubs.c I can se= e that the CLOCK.time is both the seconds and microseconds bundled together= as a float: CAMLreturn(caml_copy_double((double) tp.tv_sec + (double) tp.tv_usec / 1e6)= )=3B Having tv_sec and tv_usec exposed as integers would be very useful in mirag= eos - I'm working with integers in the time domain=2C and having to convert= an original integer to a float and then back to an integer seems a little = crazy. Any chance of embellishing CLOCK with tv_sec and tv_usec? :) Cheers Nick = --_658abc92-30bd-4b0a-a98c-466a2ba647ad_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>=3B >=3B
>=3B= >=3B I have a use case where I need the clock resolution to be in millis= econds.
>=3B >=3B Is there anyway I can get hold of the time in mill= i (/micro/nano) seconds
>=3B >=3B from the system clock without incu= rring too much of a performance penalty?
>=3B
>=3B I think Clock= .time is probably as fast as it's going to get for the
>=3B system clo= ck=2C since it just calls the platform's gettimeofday
>=3B function.>=3B
>=3B If you only want to measure an interval and you're on X= en=2C
>=3B OS.Time.Monotonic.time() might be slightly quicker=2C but I= doubt
>=3B there's much in it.
>=3B

Ok=2C after reading = through mirage-bindings/platform/clock_stubs.c I can see that the CLOCK.tim= e is both the seconds and microseconds bundled together as a float:

= CAMLreturn(caml_copy_dou= ble((double) tp.t= v_sec + (double) tp.tv_usec / 1e6))=3B

Having tv_= sec and tv_usec exposed as integers would be very useful in mirageos - I'm = working with integers in the time domain=2C and having to convert an origin= al integer to a float and then back to an integer seems a little crazy.
=
Any chance of embellishing CLOCK with tv_sec and tv_usec? :)

Che= ers
Nick
= --_658abc92-30bd-4b0a-a98c-466a2ba647ad_-- --===============6404264359371668440== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6404264359371668440==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 17:48:13 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 17:48:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJqF-0003Es-H4; Mon, 03 Aug 2015 17:48:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJqE-0003Ec-KV for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 17:48:02 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 84/4B-05269-159AFB55; Mon, 03 Aug 2015 17:48:01 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1438624080!31851177!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31021 invoked from network); 3 Aug 2015 17:48:00 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-2.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 3 Aug 2015 17:48:00 -0000 Received: from [192.168.1.75] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id cdc7209d; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 3 Aug 2015 18:47:59 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 3 Aug 2015 18:48:01 +0100 Message-Id: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> References: To: Nick Betteridge X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 3 Aug 2015, at 18:32, Nick Betteridge wrote: > > > > > > > > I have a use case where I need the clock resolution to be in milliseconds. > > > Is there anyway I can get hold of the time in milli (/micro/nano) seconds > > > from the system clock without incurring too much of a performance penalty? > > > > I think Clock.time is probably as fast as it's going to get for the > > system clock, since it just calls the platform's gettimeofday > > function. > > > > If you only want to measure an interval and you're on Xen, > > OS.Time.Monotonic.time() might be slightly quicker, but I doubt > > there's much in it. > > > > Ok, after reading through mirage-bindings/platform/clock_stubs.c I can see that the CLOCK.time is both the seconds and microseconds bundled together as a float: > > CAMLreturn(caml_copy_double((double) tp.tv_sec + (double) tp.tv_usec / 1e6)); > > Having tv_sec and tv_usec exposed as integers would be very useful in mirageos - I'm working with integers in the time domain, and having to convert an original integer to a float and then back to an integer seems a little crazy. > > Any chance of embellishing CLOCK with tv_sec and tv_usec? :) Yeah, the time representation is definitely not optimal in the current CLOCK interface. See: http://lists.xenproject.org/archives/html/mirageos-devel/2015-07/msg00036.html for the thread about Daniel's ptime library: http://erratique.ch/software/ptime The intention is to use this library as the base for timestamp representation and adapt CLOCK to use that instead. For now, putting in a float<->integer shim would get you past this, but it shouldn't be needed after the conversion to Ptime... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 17:48:13 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 17:48:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJqF-0003Es-H4; Mon, 03 Aug 2015 17:48:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJqE-0003Ec-KV for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 17:48:02 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 84/4B-05269-159AFB55; Mon, 03 Aug 2015 17:48:01 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1438624080!31851177!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31021 invoked from network); 3 Aug 2015 17:48:00 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-2.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 3 Aug 2015 17:48:00 -0000 Received: from [192.168.1.75] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id cdc7209d; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 3 Aug 2015 18:47:59 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 3 Aug 2015 18:48:01 +0100 Message-Id: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> References: To: Nick Betteridge X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 3 Aug 2015, at 18:32, Nick Betteridge wrote: > > > > > > > > I have a use case where I need the clock resolution to be in milliseconds. > > > Is there anyway I can get hold of the time in milli (/micro/nano) seconds > > > from the system clock without incurring too much of a performance penalty? > > > > I think Clock.time is probably as fast as it's going to get for the > > system clock, since it just calls the platform's gettimeofday > > function. > > > > If you only want to measure an interval and you're on Xen, > > OS.Time.Monotonic.time() might be slightly quicker, but I doubt > > there's much in it. > > > > Ok, after reading through mirage-bindings/platform/clock_stubs.c I can see that the CLOCK.time is both the seconds and microseconds bundled together as a float: > > CAMLreturn(caml_copy_double((double) tp.tv_sec + (double) tp.tv_usec / 1e6)); > > Having tv_sec and tv_usec exposed as integers would be very useful in mirageos - I'm working with integers in the time domain, and having to convert an original integer to a float and then back to an integer seems a little crazy. > > Any chance of embellishing CLOCK with tv_sec and tv_usec? :) Yeah, the time representation is definitely not optimal in the current CLOCK interface. See: http://lists.xenproject.org/archives/html/mirageos-devel/2015-07/msg00036.html for the thread about Daniel's ptime library: http://erratique.ch/software/ptime The intention is to use this library as the base for timestamp representation and adapt CLOCK to use that instead. For now, putting in a float<->integer shim would get you past this, but it shouldn't be needed after the conversion to Ptime... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 03 17:54:16 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 03 Aug 2015 17:54:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJwF-0003Sp-TM; Mon, 03 Aug 2015 17:54:15 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJwD-0003Sb-LF for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 17:54:14 +0000 Received: from [85.158.137.68] by server-17.bemta-3.messagelabs.com id D8/E9-20219-4CAAFB55; Mon, 03 Aug 2015 17:54:12 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-31.messagelabs.com!1438624451!27459246!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2899 invoked from network); 3 Aug 2015 17:54:12 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 3 Aug 2015 17:54:12 -0000 Received: from [192.168.1.75] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 160d0465; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 3 Aug 2015 18:54:11 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Date: Mon, 3 Aug 2015 18:54:10 +0100 Message-Id: <09DA6259-26FA-44A6-8E7D-187BFA23E22D@recoil.org> References: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> To: David Scott X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMyBBdWcgMjAxNSwgYXQgMTU6MjYsIERhdmUgU2NvdHQgPERhdmUuU2NvdHRAY2l0cml4LmNv bT4gd3JvdGU6Cj4gCj4gSGksCj4gCj4gQXQgdGhlIG1vbWVudCB0aGUgbWlyYWdlIHdlYnNpdGVz IGFyZSBkZXBsb3llZCBhdXRvbWF0aWNhbGx5IHJvdWdobHkgbGlrZSB0aGlzOgo+IAo+IC0gZGV2 ZWxvcGVyIG1ha2VzIGEgcHVsbCByZXF1ZXN0IGFnYWluc3QgY29kZSByZXBvIChlLmcuIGh0dHBz Oi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLXd3dykKPiAtIHRyYXZpcyBidWlsZHMgYW5kIHBl cmZvcm1zIHNhbml0eSBjaGVja3MKPiAtIHJldmlld2VyIHJldmlld3MgYW5kIG1lcmdlcyB0aGUg Y2hhbmdlCj4gLSB0cmF2aXMgYnVpbGRzIGEgc2luZ2xlIFhlbiB1bmlrZXJuZWwgaW1hZ2UgYW5k IGNoZWNrcyBpdCBpbnRvIGEgZGVwbG95bWVudCByZXBvIChlLmcuIGh0dHBzOi8vZ2l0aHViLmNv 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17:54:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJwF-0003Sp-TM; Mon, 03 Aug 2015 17:54:15 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMJwD-0003Sb-LF for mirageos-devel@lists.xenproject.org; Mon, 03 Aug 2015 17:54:14 +0000 Received: from [85.158.137.68] by server-17.bemta-3.messagelabs.com id D8/E9-20219-4CAAFB55; Mon, 03 Aug 2015 17:54:12 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-31.messagelabs.com!1438624451!27459246!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2899 invoked from network); 3 Aug 2015 17:54:12 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 3 Aug 2015 17:54:12 -0000 Received: from [192.168.1.75] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 160d0465; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 3 Aug 2015 18:54:11 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Date: Mon, 3 Aug 2015 18:54:10 +0100 Message-Id: <09DA6259-26FA-44A6-8E7D-187BFA23E22D@recoil.org> References: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> To: David Scott X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMyBBdWcgMjAxNSwgYXQgMTU6MjYsIERhdmUgU2NvdHQgPERhdmUuU2NvdHRAY2l0cml4LmNv bT4gd3JvdGU6Cj4gCj4gSGksCj4gCj4gQXQgdGhlIG1vbWVudCB0aGUgbWlyYWdlIHdlYnNpdGVz IGFyZSBkZXBsb3llZCBhdXRvbWF0aWNhbGx5IHJvdWdobHkgbGlrZSB0aGlzOgo+IAo+IC0gZGV2 ZWxvcGVyIG1ha2VzIGEgcHVsbCByZXF1ZXN0IGFnYWluc3QgY29kZSByZXBvIChlLmcuIGh0dHBz Oi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLXd3dykKPiAtIHRyYXZpcyBidWlsZHMgYW5kIHBl cmZvcm1zIHNhbml0eSBjaGVja3MKPiAtIHJldmlld2VyIHJldmlld3MgYW5kIG1lcmdlcyB0aGUg Y2hhbmdlCj4gLSB0cmF2aXMgYnVpbGRzIGEgc2luZ2xlIFhlbiB1bmlrZXJuZWwgaW1hZ2UgYW5k IGNoZWNrcyBpdCBpbnRvIGEgZGVwbG95bWVudCByZXBvIChlLmcuIGh0dHBzOi8vZ2l0aHViLmNv 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11:54:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZManu-0002Hz-Pl; Tue, 04 Aug 2015 11:54:46 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMant-0002Hu-CQ for mirageos-devel@lists.xenproject.org; Tue, 04 Aug 2015 11:54:45 +0000 Received: from [85.158.137.68] by server-14.bemta-3.messagelabs.com id 4D/73-05979-308A0C55; Tue, 04 Aug 2015 11:54:43 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1438689282!32104134!1 X-Originating-IP: [157.55.2.101] X-SpamReason: No, hits=0.7 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14417 invoked from network); 4 Aug 2015 11:54:42 -0000 Received: from dub004-omc4s26.hotmail.com (HELO DUB004-OMC4S26.hotmail.com) (157.55.2.101) by server-10.tower-31.messagelabs.com with AES256-SHA encrypted SMTP; 4 Aug 2015 11:54:42 -0000 Received: from DUB128-W12 ([157.55.2.72]) by DUB004-OMC4S26.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Tue, 4 Aug 2015 04:54:42 -0700 X-TMN: [gKsIQtxUPJJtAQLxhYT+cIKhpjAW1Fc1] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Anil Madhavapeddy Date: Tue, 4 Aug 2015 11:54:41 +0000 Importance: Normal In-Reply-To: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> References: , <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> MIME-Version: 1.0 X-OriginalArrivalTime: 04 Aug 2015 11:54:42.0279 (UTC) FILETIME=[595E3F70:01D0CEAC] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7547429736354720607==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7547429736354720607== Content-Type: multipart/alternative; boundary="_54800da5-8f52-49ce-b2f2-9317f3ee4947_" --_54800da5-8f52-49ce-b2f2-9317f3ee4947_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >=20 > The intention is to use this library as the base for timestamp representa= tion and adapt CLOCK to use that instead. For now=2C putting in a float<->= integer shim would get you past this=2C but it shouldn't be needed after th= e conversion to Ptime... >=20 Ok=2C thanks. I still need to put together a proposal for a scheduler/calen= dar module=2C I'll use ptime too. = --_54800da5-8f52-49ce-b2f2-9317f3ee4947_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>=3B
>=3B The i= ntention is to use this library as the base for timestamp representation an= d adapt CLOCK to use that instead. For now=2C putting in a float<=3B->= =3Binteger shim would get you past this=2C but it shouldn't be needed after= the conversion to Ptime...
>=3B

Ok=2C thanks. I still need to= put together a proposal for a scheduler/calendar module=2C I'll use ptime = too.
= --_54800da5-8f52-49ce-b2f2-9317f3ee4947_-- --===============7547429736354720607== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7547429736354720607==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 04 11:54:55 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 04 Aug 2015 11:54:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZManu-0002Hz-Pl; Tue, 04 Aug 2015 11:54:46 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMant-0002Hu-CQ for mirageos-devel@lists.xenproject.org; Tue, 04 Aug 2015 11:54:45 +0000 Received: from [85.158.137.68] by server-14.bemta-3.messagelabs.com id 4D/73-05979-308A0C55; Tue, 04 Aug 2015 11:54:43 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1438689282!32104134!1 X-Originating-IP: [157.55.2.101] X-SpamReason: No, hits=0.7 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14417 invoked from network); 4 Aug 2015 11:54:42 -0000 Received: from dub004-omc4s26.hotmail.com (HELO DUB004-OMC4S26.hotmail.com) (157.55.2.101) by server-10.tower-31.messagelabs.com with AES256-SHA encrypted SMTP; 4 Aug 2015 11:54:42 -0000 Received: from DUB128-W12 ([157.55.2.72]) by DUB004-OMC4S26.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Tue, 4 Aug 2015 04:54:42 -0700 X-TMN: [gKsIQtxUPJJtAQLxhYT+cIKhpjAW1Fc1] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Anil Madhavapeddy Date: Tue, 4 Aug 2015 11:54:41 +0000 Importance: Normal In-Reply-To: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> References: , <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> MIME-Version: 1.0 X-OriginalArrivalTime: 04 Aug 2015 11:54:42.0279 (UTC) FILETIME=[595E3F70:01D0CEAC] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7547429736354720607==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7547429736354720607== Content-Type: multipart/alternative; boundary="_54800da5-8f52-49ce-b2f2-9317f3ee4947_" --_54800da5-8f52-49ce-b2f2-9317f3ee4947_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >=20 > The intention is to use this library as the base for timestamp representa= tion and adapt CLOCK to use that instead. For now=2C putting in a float<->= integer shim would get you past this=2C but it shouldn't be needed after th= e conversion to Ptime... >=20 Ok=2C thanks. I still need to put together a proposal for a scheduler/calen= dar module=2C I'll use ptime too. = --_54800da5-8f52-49ce-b2f2-9317f3ee4947_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

>=3B
>=3B The i= ntention is to use this library as the base for timestamp representation an= d adapt CLOCK to use that instead. For now=2C putting in a float<=3B->= =3Binteger shim would get you past this=2C but it shouldn't be needed after= the conversion to Ptime...
>=3B

Ok=2C thanks. I still need to= put together a proposal for a scheduler/calendar module=2C I'll use ptime = too.
= --_54800da5-8f52-49ce-b2f2-9317f3ee4947_-- --===============7547429736354720607== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7547429736354720607==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 04 13:14:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 04 Aug 2015 13:14:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMc2w-0007AW-TZ; Tue, 04 Aug 2015 13:14:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMc2w-0007A7-2w for mirageos-devel@lists.xenproject.org; Tue, 04 Aug 2015 13:14:22 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 3D/A4-10422-BAAB0C55; Tue, 04 Aug 2015 13:14:19 +0000 X-Env-Sender: lukedunstan81@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1438694057!25721684!1 X-Originating-IP: [209.85.223.173] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2225 invoked from network); 4 Aug 2015 13:14:18 -0000 Received: from mail-io0-f173.google.com (HELO mail-io0-f173.google.com) (209.85.223.173) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 4 Aug 2015 13:14:18 -0000 Received: by ioea135 with SMTP id a135so16169746ioe.1 for ; Tue, 04 Aug 2015 06:14:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-type; bh=X47vz9AXTX1M+P5VBpT/dj8C7peml6WDqdokbN/f8ls=; b=0XTkmYUNaTuHK2NeX2ftqgs0NuVIDYoOivcXBgqugNsfGX5QA2b4UQksfmK1uU6BeO NMXg1rqFlOBPil8BCWnxR//Fbp6dB3+pj9TbI0U1FQjFAzbcSkNpttDD9BOKSSLnmtpT 12+Bn7BSN7Rfo/6SWHA/8AjxpicoVSKemX1QEz0ihsqrktCTY1o+4uf/FBuuZUtnE8/h kETgdQPOxrsTFGkMl5s0ZnYMoa/iiEDfYPI/BzPdX8W8WlkKvk33TMHHcDByThGLMgfF XCIPqiNrSUxM0N7MM1UzSixE8dlfnA5tan/6GdfZIPWMvUNZvMVn1wLiBoOBpAxOneOa eVCw== X-Received: by 10.107.137.13 with SMTP id l13mr3842651iod.159.1438694057414; Tue, 04 Aug 2015 06:14:17 -0700 (PDT) MIME-Version: 1.0 References: <6D262DFB-EA5C-44CB-A908-FD0E28F7995D@citrix.com> <25D2AE7E-764E-44AE-B91E-AF0C5482D50B@recoil.org> <061FAEAA-F343-46BE-B204-AAA8D45E46B1@recoil.org> In-Reply-To: From: Luke Dunstan Date: Tue, 04 Aug 2015 13:14:07 +0000 Message-ID: To: Thomas Leonard , Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] github xen git mirror X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4777597220158419862==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4777597220158419862== Content-Type: multipart/alternative; boundary=001a113ed3503b9986051c7c10dc --001a113ed3503b9986051c7c10dc Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Mon, 3 Aug 2015 at 21:27 Thomas Leonard wrote: > On 30 July 2015 at 16:16, Anil Madhavapeddy wrote: > > > > On 30 Jul 2015, at 16:13, Luke Dunstan wrote: > > > > > > On the normal Trusty cubieboard2 image I can install minios-xen fine, > but on > > Vivid I get an error: > > > > $ opam install minios-xen > > > > [ERROR] The compilation of minios-xen failed at "make debug=3Dn". > > ... > > ### stderr ### > > # dtc/libfdt/fdt_ro.c:453:6: error: =E2=80=98nodedepth=E2=80=99 may be = used > uninitialized in > > this function [-Werror=3Dmaybe-uninitialized] > > # [...] > > # /home/mirage/.opam/4.02.1/build/minios-xen.0.7/include/libfdt.h: In > > function =E2=80=98fdt_parent_offset=E2=80=99: > > # dtc/libfdt/fdt_ro.c:468:9: error: =E2=80=98nodedepth=E2=80=99 may be = used > uninitialized in > > this function [-Werror=3Dmaybe-uninitialized] > > # return fdt_supernode_atdepth_offset(fdt, nodeoffset, > > # ^ > > # dtc/libfdt/fdt_ro.c:453:6: note: =E2=80=98nodedepth=E2=80=99 was decl= ared here > > # int nodedepth; > > # ^ > > # cc1: all warnings being treated as errors > > # make: *** > > [/home/mirage/.opam/4.02.1/build/minios-xen.0.7/dtc/libfdt/fdt_ro.o] > Error 1 > > > > mirage-xen-minios.0.7.0 was OK because of: > > > > > https://github.com/talex5/xen/commit/804d40b4fe00d68e1be3160f8bcc0d94f3d4= edf0 > > > > I'm guessing that the difference in this image is that it has GCC-4.9.2 > > instead of 4.8.x, but I'm not certain. > > > > > > Could we turn off -Werror for the OPAM builds, Thomas? It's only reall= y > > useful on Travis or other CI builds to spot regressions, but quite a > blocker > > when using a varied build toolchain. > > It was hard-coded into Mini-OS's build system. I've removed it, and > added a $TRAVIS_CFLAGS so we can still use it for CI. > Thanks, it works fine now. For the record though, this doesn't work: $ opam pin add minios-xen https://github.com/talex5/mini-os.git because opam pin does not support Git submodules: https://github.com/ocaml/opam/issues/1422 It's easy to work around: $ git clone --recursive https://github.com/talex5/mini-os.git $ opam pin add minios-xen mini-os Luke --001a113ed3503b9986051c7c10dc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Mon= , 3 Aug 2015 at 21:27 Thomas Leonard <talex5@gmail.com> wrote:
O= n 30 July 2015 at 16:16, Anil Madhavapeddy <anil@recoil.org> wrote:
>
> On 30 Jul 2015, at 16:13, Luke Dunstan <lukedunstan81@gmail.com> wrote: >
>
> On the normal Trusty cubieboard2 image I can install minios-xen fine, = but on
> Vivid I get an error:
>
> $ opam install minios-xen
>
> [ERROR] The compilation of minios-xen failed at "make debug=3Dn&q= uot;.
> ...
>=C2=A0 ### stderr ###
> # dtc/libfdt/fdt_ro.c:453:6: error: =E2=80=98nodedepth=E2=80=99 may be= used uninitialized in
> this function [-Werror=3Dmaybe-uninitialized]
> # [...]
> # /home/mirage/.opam/4.02.1/build/minios-xen.0.7/include/libfdt.h: In<= br> > function =E2=80=98fdt_parent_offset=E2=80=99:
> # dtc/libfdt/fdt_ro.c:468:9: error: =E2=80=98nodedepth=E2=80=99 may be= used uninitialized in
> this function [-Werror=3Dmaybe-uninitialized]
> #=C2=A0 =C2=A0return fdt_supernode_atdepth_offset(fdt, nodeoffset,
> #=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ^
> # dtc/libfdt/fdt_ro.c:453:6: note: =E2=80=98nodedepth=E2=80=99 was dec= lared here
> #=C2=A0 =C2=A0int nodedepth;
> #=C2=A0 =C2=A0 =C2=A0 =C2=A0^
> # cc1: all warnings being treated as errors
> # make: ***
> [/home/mirage/.opam/4.02.1/build/minios-xen.0.7/dtc/libfdt/fdt_ro.o] E= rror 1
>
> mirage-xen-minios.0.7.0 was OK because of:
>
> https://github.com= /talex5/xen/commit/804d40b4fe00d68e1be3160f8bcc0d94f3d4edf0
>
> I'm guessing that the difference in this image is that it has GCC-= 4.9.2
> instead of 4.8.x, but I'm not certain.
>
>
> Could we turn off -Werror for the OPAM builds, Thomas?=C2=A0 It's = only really
> useful on Travis or other CI builds to spot regressions, but quite a b= locker
> when using a varied build toolchain.

It was hard-coded into Mini-OS's build system. I've removed it, and=
added a $TRAVIS_CFLAGS so we can still use it for CI.
=
Thanks, it works fine now. For the record though, this doesn'= ;t work:

$=C2=A0opam pin add minios-xen=C2=A0https://github.com/talex5/mini-os.git

because opam pin = does not support Git submodules:=C2=A0https://github.com/ocaml/opam/issues/1422

It's easy to work around:

$=C2=A0git clone --recursiv= e https://github.com/tale= x5/mini-os.git
$=C2=A0opam pin add minios-xen mini-os

Luke

--001a113ed3503b9986051c7c10dc-- --===============4777597220158419862== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4777597220158419862==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 04 13:14:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 04 Aug 2015 13:14:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMc2w-0007AW-TZ; Tue, 04 Aug 2015 13:14:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMc2w-0007A7-2w for mirageos-devel@lists.xenproject.org; Tue, 04 Aug 2015 13:14:22 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 3D/A4-10422-BAAB0C55; Tue, 04 Aug 2015 13:14:19 +0000 X-Env-Sender: lukedunstan81@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1438694057!25721684!1 X-Originating-IP: [209.85.223.173] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2225 invoked from network); 4 Aug 2015 13:14:18 -0000 Received: from mail-io0-f173.google.com (HELO mail-io0-f173.google.com) (209.85.223.173) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 4 Aug 2015 13:14:18 -0000 Received: by ioea135 with SMTP id a135so16169746ioe.1 for ; Tue, 04 Aug 2015 06:14:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-type; bh=X47vz9AXTX1M+P5VBpT/dj8C7peml6WDqdokbN/f8ls=; b=0XTkmYUNaTuHK2NeX2ftqgs0NuVIDYoOivcXBgqugNsfGX5QA2b4UQksfmK1uU6BeO NMXg1rqFlOBPil8BCWnxR//Fbp6dB3+pj9TbI0U1FQjFAzbcSkNpttDD9BOKSSLnmtpT 12+Bn7BSN7Rfo/6SWHA/8AjxpicoVSKemX1QEz0ihsqrktCTY1o+4uf/FBuuZUtnE8/h kETgdQPOxrsTFGkMl5s0ZnYMoa/iiEDfYPI/BzPdX8W8WlkKvk33TMHHcDByThGLMgfF XCIPqiNrSUxM0N7MM1UzSixE8dlfnA5tan/6GdfZIPWMvUNZvMVn1wLiBoOBpAxOneOa eVCw== X-Received: by 10.107.137.13 with SMTP id l13mr3842651iod.159.1438694057414; Tue, 04 Aug 2015 06:14:17 -0700 (PDT) MIME-Version: 1.0 References: <6D262DFB-EA5C-44CB-A908-FD0E28F7995D@citrix.com> <25D2AE7E-764E-44AE-B91E-AF0C5482D50B@recoil.org> <061FAEAA-F343-46BE-B204-AAA8D45E46B1@recoil.org> In-Reply-To: From: Luke Dunstan Date: Tue, 04 Aug 2015 13:14:07 +0000 Message-ID: To: Thomas Leonard , Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] github xen git mirror X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4777597220158419862==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4777597220158419862== Content-Type: multipart/alternative; boundary=001a113ed3503b9986051c7c10dc --001a113ed3503b9986051c7c10dc Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Mon, 3 Aug 2015 at 21:27 Thomas Leonard wrote: > On 30 July 2015 at 16:16, Anil Madhavapeddy wrote: > > > > On 30 Jul 2015, at 16:13, Luke Dunstan wrote: > > > > > > On the normal Trusty cubieboard2 image I can install minios-xen fine, > but on > > Vivid I get an error: > > > > $ opam install minios-xen > > > > [ERROR] The compilation of minios-xen failed at "make debug=3Dn". > > ... > > ### stderr ### > > # dtc/libfdt/fdt_ro.c:453:6: error: =E2=80=98nodedepth=E2=80=99 may be = used > uninitialized in > > this function [-Werror=3Dmaybe-uninitialized] > > # [...] > > # /home/mirage/.opam/4.02.1/build/minios-xen.0.7/include/libfdt.h: In > > function =E2=80=98fdt_parent_offset=E2=80=99: > > # dtc/libfdt/fdt_ro.c:468:9: error: =E2=80=98nodedepth=E2=80=99 may be = used > uninitialized in > > this function [-Werror=3Dmaybe-uninitialized] > > # return fdt_supernode_atdepth_offset(fdt, nodeoffset, > > # ^ > > # dtc/libfdt/fdt_ro.c:453:6: note: =E2=80=98nodedepth=E2=80=99 was decl= ared here > > # int nodedepth; > > # ^ > > # cc1: all warnings being treated as errors > > # make: *** > > [/home/mirage/.opam/4.02.1/build/minios-xen.0.7/dtc/libfdt/fdt_ro.o] > Error 1 > > > > mirage-xen-minios.0.7.0 was OK because of: > > > > > https://github.com/talex5/xen/commit/804d40b4fe00d68e1be3160f8bcc0d94f3d4= edf0 > > > > I'm guessing that the difference in this image is that it has GCC-4.9.2 > > instead of 4.8.x, but I'm not certain. > > > > > > Could we turn off -Werror for the OPAM builds, Thomas? It's only reall= y > > useful on Travis or other CI builds to spot regressions, but quite a > blocker > > when using a varied build toolchain. > > It was hard-coded into Mini-OS's build system. I've removed it, and > added a $TRAVIS_CFLAGS so we can still use it for CI. > Thanks, it works fine now. For the record though, this doesn't work: $ opam pin add minios-xen https://github.com/talex5/mini-os.git because opam pin does not support Git submodules: https://github.com/ocaml/opam/issues/1422 It's easy to work around: $ git clone --recursive https://github.com/talex5/mini-os.git $ opam pin add minios-xen mini-os Luke --001a113ed3503b9986051c7c10dc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Mon= , 3 Aug 2015 at 21:27 Thomas Leonard <talex5@gmail.com> wrote:
O= n 30 July 2015 at 16:16, Anil Madhavapeddy <anil@recoil.org> wrote:
>
> On 30 Jul 2015, at 16:13, Luke Dunstan <lukedunstan81@gmail.com> wrote: >
>
> On the normal Trusty cubieboard2 image I can install minios-xen fine, = but on
> Vivid I get an error:
>
> $ opam install minios-xen
>
> [ERROR] The compilation of minios-xen failed at "make debug=3Dn&q= uot;.
> ...
>=C2=A0 ### stderr ###
> # dtc/libfdt/fdt_ro.c:453:6: error: =E2=80=98nodedepth=E2=80=99 may be= used uninitialized in
> this function [-Werror=3Dmaybe-uninitialized]
> # [...]
> # /home/mirage/.opam/4.02.1/build/minios-xen.0.7/include/libfdt.h: In<= br> > function =E2=80=98fdt_parent_offset=E2=80=99:
> # dtc/libfdt/fdt_ro.c:468:9: error: =E2=80=98nodedepth=E2=80=99 may be= used uninitialized in
> this function [-Werror=3Dmaybe-uninitialized]
> #=C2=A0 =C2=A0return fdt_supernode_atdepth_offset(fdt, nodeoffset,
> #=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ^
> # dtc/libfdt/fdt_ro.c:453:6: note: =E2=80=98nodedepth=E2=80=99 was dec= lared here
> #=C2=A0 =C2=A0int nodedepth;
> #=C2=A0 =C2=A0 =C2=A0 =C2=A0^
> # cc1: all warnings being treated as errors
> # make: ***
> [/home/mirage/.opam/4.02.1/build/minios-xen.0.7/dtc/libfdt/fdt_ro.o] E= rror 1
>
> mirage-xen-minios.0.7.0 was OK because of:
>
> https://github.com= /talex5/xen/commit/804d40b4fe00d68e1be3160f8bcc0d94f3d4edf0
>
> I'm guessing that the difference in this image is that it has GCC-= 4.9.2
> instead of 4.8.x, but I'm not certain.
>
>
> Could we turn off -Werror for the OPAM builds, Thomas?=C2=A0 It's = only really
> useful on Travis or other CI builds to spot regressions, but quite a b= locker
> when using a varied build toolchain.

It was hard-coded into Mini-OS's build system. I've removed it, and=
added a $TRAVIS_CFLAGS so we can still use it for CI.
=
Thanks, it works fine now. For the record though, this doesn'= ;t work:

$=C2=A0opam pin add minios-xen=C2=A0https://github.com/talex5/mini-os.git

because opam pin = does not support Git submodules:=C2=A0https://github.com/ocaml/opam/issues/1422

It's easy to work around:

$=C2=A0git clone --recursiv= e https://github.com/tale= x5/mini-os.git
$=C2=A0opam pin add minios-xen mini-os

Luke

--001a113ed3503b9986051c7c10dc-- --===============4777597220158419862== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4777597220158419862==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 09:54:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 09:54:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMvP0-0000JB-6J; Wed, 05 Aug 2015 09:54:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMvOy-0000HL-BZ; Wed, 05 Aug 2015 09:54:24 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id D1/8E-28221-F4DD1C55; Wed, 05 Aug 2015 09:54:23 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1438768461!38035055!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30734 invoked from network); 5 Aug 2015 09:54:21 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 5 Aug 2015 09:54:21 -0000 Received: by wibxm9 with SMTP id xm9so58792811wib.1; Wed, 05 Aug 2015 02:54:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:subject:date:message-id:cc:to:mime-version; bh=KojWGw56RULXbchjQOTUoXcQiteKaSxo27USygW+Yvk=; b=K51wWQKhJ5EecU6VZtDJB/oQZ2C/tq1/7Lr0P+ahAv3snvwoopSTxZdySJx8gHa0cq 2QqUk4kB6X4XUxWtMeSPUmeXhCeMqsdEZlYAZZcLRmQmzuZSsSTvwNszSSNtSSG3yITR +IuQi918k6ZJS8H6HGp+XwWIO2RIU8kaObis+K+jJGTGkQanH0PYT0XYay+7YvGtAX6R zHucX4VUmBFcQN5atjP+Szo9O+W9AGig7tbjytmTnpm5zQ1F4aI2a2TxdIxju8/zI+vG zRc82le93ufYlxFTbSj6tl9JFm+XPZR3UcFeBPTGFlumSMd1RgYTj+oi+2L1K6cg5DMJ 5pMg== X-Received: by 10.180.104.8 with SMTP id ga8mr8608179wib.5.1438768461220; Wed, 05 Aug 2015 02:54:21 -0700 (PDT) Received: from [192.168.0.8] (97e55056.skybroadband.com. [151.229.80.86]) by smtp.gmail.com with ESMTPSA id gt10sm6738669wib.20.2015.08.05.02.54.20 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 05 Aug 2015 02:54:20 -0700 (PDT) From: Lars Kurth Date: Wed, 5 Aug 2015 10:54:18 +0100 Message-Id: <7C5B56F7-C6DB-4DE3-9229-12EDB4B25F9D@gmail.com> To: xen devel , Win-pv-devel@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org, mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Cc: wg-openstack@lists.xenproject.org, wg-test-framework@lists.xenproject.org Subject: [MirageOS-devel] Reminder: Urgent - Action Required - Xen Dev Summit Bof's Developer Meetings and WG Meetings on Aug 18 & 19t (print and food order deadline Friday 7th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5746918235594952870==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5746918235594952870== Content-Type: multipart/alternative; boundary="Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA" --Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi folks, this email is for people planning to attend the Xen Dev Summit in = Seattle (Aug 17 & 18) and the Developer Meeting on the 19th. Please read and take action before *Friday* Aug 7th Best Regards Lars =3D BoF's (Print Deadline Friday 7th) =3D=3D If you do want to host some BoF's and/or suggest topics for the Bofs at = the Developer Summit on Aug 18th, please fill out * http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015-BoFs#Topics = = - otherwise we will miss the print deadline * For the overall program, see = http://events.linuxfoundation.org/events/xen-project-developer-summit/prog= ram/schedule = Alternatively you can reply to this mail (make sure I am CC'ed). =3D Developer Meeting =3D=20 Also, I need to order food and coffee for the Developer Meeting on Aug = 19th, 10:00-13:30, and need to get a sense of numbers. In the past we = were between 25-30 and I expect this to be similar this year. If you = plan to attend, please fill out * http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015 = Do note that the Advisory Board meeting is from 9:00 to 10:00. I am = intending to maybe have a 30 minute overlap, where AB members and = Developer Meeting attendees can mingle and raise issues and suggestions = with board members. Alternatively you can reply to this mail (make sure I am CC'ed). =3D WG Meetings =3D I do have a meeting room on Aug 19th, which is free from 13:30. If any = working groups such as OpenStack or Test Framework folks want to get = together then do let me know. I can book space in the room. Right now, = it looks as if we don't have enough critical mass in terms of attendees = (we have maybe 2 or 3 from each WG).= --Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi folks,
this email is = for people planning to attend the Xen Dev Summit in Seattle (Aug 17 = & 18) and the Developer Meeting on the 19th.
Please read and take action before *Friday* Aug 7th
Best Regards
Lars
=3D BoF's (Print Deadline Friday 7th) = =3D=3D
If you do want to host some BoF's and/or = suggest topics for the Bofs at the Developer Summit on Aug 18th, please = fill out
* http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015-BoFs#= Topics - otherwise we will miss the print deadline
* For the overall program, see http://events.linuxfoundation.org/events/xen-project-developer-= summit/program/schedule

Alternatively you can reply to this mail (make sure I am = CC'ed).

=3D = Developer Meeting =3D 
Also, I need to order = food and coffee for the Developer Meeting on Aug 19th, 10:00-13:30, and = need to get a sense of numbers. In the past we were between 25-30 and I = expect this to be similar this year. If you plan to attend, please fill = out
* http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015

Do note that = the Advisory Board meeting is from 9:00 to 10:00. I am intending to = maybe have a 30 minute overlap, where AB members and Developer Meeting = attendees can mingle and raise issues and suggestions with board = members.

Alternatively you can reply to this mail (make sure I am = CC'ed).

=3D WG = Meetings =3D
I do have a meeting room on Aug 19th, = which is free from 13:30. If any working groups such as OpenStack or = Test Framework folks want to get together then do let me know. I can = book space in the room. Right now, it looks as if we don't have enough = critical mass in terms of attendees (we have maybe 2 or 3 from each = WG).
= --Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA-- --===============5746918235594952870== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5746918235594952870==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 09:54:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 09:54:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMvP0-0000JB-6J; Wed, 05 Aug 2015 09:54:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZMvOy-0000HL-BZ; Wed, 05 Aug 2015 09:54:24 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id D1/8E-28221-F4DD1C55; Wed, 05 Aug 2015 09:54:23 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1438768461!38035055!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30734 invoked from network); 5 Aug 2015 09:54:21 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 5 Aug 2015 09:54:21 -0000 Received: by wibxm9 with SMTP id xm9so58792811wib.1; Wed, 05 Aug 2015 02:54:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:subject:date:message-id:cc:to:mime-version; bh=KojWGw56RULXbchjQOTUoXcQiteKaSxo27USygW+Yvk=; b=K51wWQKhJ5EecU6VZtDJB/oQZ2C/tq1/7Lr0P+ahAv3snvwoopSTxZdySJx8gHa0cq 2QqUk4kB6X4XUxWtMeSPUmeXhCeMqsdEZlYAZZcLRmQmzuZSsSTvwNszSSNtSSG3yITR +IuQi918k6ZJS8H6HGp+XwWIO2RIU8kaObis+K+jJGTGkQanH0PYT0XYay+7YvGtAX6R zHucX4VUmBFcQN5atjP+Szo9O+W9AGig7tbjytmTnpm5zQ1F4aI2a2TxdIxju8/zI+vG zRc82le93ufYlxFTbSj6tl9JFm+XPZR3UcFeBPTGFlumSMd1RgYTj+oi+2L1K6cg5DMJ 5pMg== X-Received: by 10.180.104.8 with SMTP id ga8mr8608179wib.5.1438768461220; Wed, 05 Aug 2015 02:54:21 -0700 (PDT) Received: from [192.168.0.8] (97e55056.skybroadband.com. [151.229.80.86]) by smtp.gmail.com with ESMTPSA id gt10sm6738669wib.20.2015.08.05.02.54.20 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 05 Aug 2015 02:54:20 -0700 (PDT) From: Lars Kurth Date: Wed, 5 Aug 2015 10:54:18 +0100 Message-Id: <7C5B56F7-C6DB-4DE3-9229-12EDB4B25F9D@gmail.com> To: xen devel , Win-pv-devel@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org, mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Cc: wg-openstack@lists.xenproject.org, wg-test-framework@lists.xenproject.org Subject: [MirageOS-devel] Reminder: Urgent - Action Required - Xen Dev Summit Bof's Developer Meetings and WG Meetings on Aug 18 & 19t (print and food order deadline Friday 7th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5746918235594952870==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5746918235594952870== Content-Type: multipart/alternative; boundary="Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA" --Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi folks, this email is for people planning to attend the Xen Dev Summit in = Seattle (Aug 17 & 18) and the Developer Meeting on the 19th. Please read and take action before *Friday* Aug 7th Best Regards Lars =3D BoF's (Print Deadline Friday 7th) =3D=3D If you do want to host some BoF's and/or suggest topics for the Bofs at = the Developer Summit on Aug 18th, please fill out * http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015-BoFs#Topics = = - otherwise we will miss the print deadline * For the overall program, see = http://events.linuxfoundation.org/events/xen-project-developer-summit/prog= ram/schedule = Alternatively you can reply to this mail (make sure I am CC'ed). =3D Developer Meeting =3D=20 Also, I need to order food and coffee for the Developer Meeting on Aug = 19th, 10:00-13:30, and need to get a sense of numbers. In the past we = were between 25-30 and I expect this to be similar this year. If you = plan to attend, please fill out * http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015 = Do note that the Advisory Board meeting is from 9:00 to 10:00. I am = intending to maybe have a 30 minute overlap, where AB members and = Developer Meeting attendees can mingle and raise issues and suggestions = with board members. Alternatively you can reply to this mail (make sure I am CC'ed). =3D WG Meetings =3D I do have a meeting room on Aug 19th, which is free from 13:30. If any = working groups such as OpenStack or Test Framework folks want to get = together then do let me know. I can book space in the room. Right now, = it looks as if we don't have enough critical mass in terms of attendees = (we have maybe 2 or 3 from each WG).= --Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi folks,
this email is = for people planning to attend the Xen Dev Summit in Seattle (Aug 17 = & 18) and the Developer Meeting on the 19th.
Please read and take action before *Friday* Aug 7th
Best Regards
Lars
=3D BoF's (Print Deadline Friday 7th) = =3D=3D
If you do want to host some BoF's and/or = suggest topics for the Bofs at the Developer Summit on Aug 18th, please = fill out
* http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015-BoFs#= Topics - otherwise we will miss the print deadline
* For the overall program, see http://events.linuxfoundation.org/events/xen-project-developer-= summit/program/schedule

Alternatively you can reply to this mail (make sure I am = CC'ed).

=3D = Developer Meeting =3D 
Also, I need to order = food and coffee for the Developer Meeting on Aug 19th, 10:00-13:30, and = need to get a sense of numbers. In the past we were between 25-30 and I = expect this to be similar this year. If you plan to attend, please fill = out
* http://wiki.xenproject.org/wiki/Developer_Meeting/Aug2015

Do note that = the Advisory Board meeting is from 9:00 to 10:00. I am intending to = maybe have a 30 minute overlap, where AB members and Developer Meeting = attendees can mingle and raise issues and suggestions with board = members.

Alternatively you can reply to this mail (make sure I am = CC'ed).

=3D WG = Meetings =3D
I do have a meeting room on Aug 19th, = which is free from 13:30. If any working groups such as OpenStack or = Test Framework folks want to get together then do let me know. I can = book space in the room. Right now, it looks as if we don't have enough = critical mass in terms of attendees (we have maybe 2 or 3 from each = WG).
= --Apple-Mail=_064A10CA-D9B4-4771-B809-BB2D165BDFCA-- --===============5746918235594952870== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5746918235594952870==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 21:47:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 21:47:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN6Wf-0008Jo-Pz; Wed, 05 Aug 2015 21:47:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN6We-0008Jj-Ec for mirageos-devel@lists.xenproject.org; Wed, 05 Aug 2015 21:47:04 +0000 Received: from [85.158.137.68] by server-15.bemta-3.messagelabs.com id D0/3C-12946-75482C55; Wed, 05 Aug 2015 21:47:03 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-7.tower-31.messagelabs.com!1438811222!32704930!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14857 invoked from network); 5 Aug 2015 21:47:03 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-7.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 5 Aug 2015 21:47:03 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:52991) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZN6Wc-0001gp-YT (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 05 Aug 2015 22:47:02 +0100 From: Gregory Tsipenyuk Message-Id: Date: Wed, 5 Aug 2015 22:47:04 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi everyone, I have a question about Irmin merge call back for user-defined contents. It appears that merge is only called for the content that was changed but not added or deleted. Is it possible to have it called for all actions? Thanks, Gregory _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 21:47:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 21:47:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN6Wf-0008Jo-Pz; Wed, 05 Aug 2015 21:47:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN6We-0008Jj-Ec for mirageos-devel@lists.xenproject.org; Wed, 05 Aug 2015 21:47:04 +0000 Received: from [85.158.137.68] by server-15.bemta-3.messagelabs.com id D0/3C-12946-75482C55; Wed, 05 Aug 2015 21:47:03 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-7.tower-31.messagelabs.com!1438811222!32704930!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14857 invoked from network); 5 Aug 2015 21:47:03 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-7.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 5 Aug 2015 21:47:03 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:52991) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZN6Wc-0001gp-YT (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 05 Aug 2015 22:47:02 +0100 From: Gregory Tsipenyuk Message-Id: Date: Wed, 5 Aug 2015 22:47:04 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi everyone, I have a question about Irmin merge call back for user-defined contents. It appears that merge is only called for the content that was changed but not added or deleted. Is it possible to have it called for all actions? Thanks, Gregory _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 22:45:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 22:45:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN7R3-0002W7-41; Wed, 05 Aug 2015 22:45:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN7R2-0002W2-Al for mirageos-devel@lists.xenproject.org; Wed, 05 Aug 2015 22:45:20 +0000 Received: from [85.158.137.68] by server-2.bemta-3.messagelabs.com id 34/AA-15055-FF192C55; Wed, 05 Aug 2015 22:45:19 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1438814718!32579595!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23768 invoked from network); 5 Aug 2015 22:45:18 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-15.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 5 Aug 2015 22:45:18 -0000 Received: by wibxm9 with SMTP id xm9so342172wib.0 for ; Wed, 05 Aug 2015 15:45:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=ob2miSqCk3avDc2ObUFakHf2ctiWJdDax3urLbSkfdk=; b=w3j0pc6uTH+i15hwqKIAN6i99wLbo82qpWt6uuYZHBHS5t2Vc+Tn9hKWAUXlHazerW chI8kKW9g7jvXp/utSx8xpKcKUARCyS5+Ypo+u3eK7cWb14pa977gPhoSi5gDRUFrmHW EYcHsO1iHxFGs3/GnpLtgbh9SzChAe2g4JqxZaxIYUB7f7Y0mcudX142Uks2vfYBvKQ4 wk9BiTv7uEyw2yt13qY29SYRgyU8SHeh3VZ1+DfXW1eRiesuGd3nLOvV4PcWAbrC+S1t K1LgPvGab/2FOV3HGK9xuzGIu8dd/g3t8wQVlOVhWAzRKZalsa0dAy+6VQXB8OHC+k6/ 4NUQ== X-Received: by 10.180.208.12 with SMTP id ma12mr137216wic.6.1438814718150; Wed, 05 Aug 2015 15:45:18 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id b13sm23253wic.15.2015.08.05.15.45.16 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 05 Aug 2015 15:45:17 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Wed, 5 Aug 2015 23:45:33 +0100 Message-Id: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> References: To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > I have a question about Irmin merge call back for user-defined contents. It appears that merge is only called for the content that was changed but not added or deleted. Is it possible to have it called for all actions? It's supposed to be called even when one of the version is added or deleted. In that case one of the values will be a None. That's why the merge callback [1] takes an option type. Notice that you should not normally have None for all the 3 elements of the 3-way merge. Best, Thomas [1] http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 22:45:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 22:45:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN7R3-0002W7-41; Wed, 05 Aug 2015 22:45:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN7R2-0002W2-Al for mirageos-devel@lists.xenproject.org; Wed, 05 Aug 2015 22:45:20 +0000 Received: from [85.158.137.68] by server-2.bemta-3.messagelabs.com id 34/AA-15055-FF192C55; Wed, 05 Aug 2015 22:45:19 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1438814718!32579595!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23768 invoked from network); 5 Aug 2015 22:45:18 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-15.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 5 Aug 2015 22:45:18 -0000 Received: by wibxm9 with SMTP id xm9so342172wib.0 for ; Wed, 05 Aug 2015 15:45:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=ob2miSqCk3avDc2ObUFakHf2ctiWJdDax3urLbSkfdk=; b=w3j0pc6uTH+i15hwqKIAN6i99wLbo82qpWt6uuYZHBHS5t2Vc+Tn9hKWAUXlHazerW chI8kKW9g7jvXp/utSx8xpKcKUARCyS5+Ypo+u3eK7cWb14pa977gPhoSi5gDRUFrmHW EYcHsO1iHxFGs3/GnpLtgbh9SzChAe2g4JqxZaxIYUB7f7Y0mcudX142Uks2vfYBvKQ4 wk9BiTv7uEyw2yt13qY29SYRgyU8SHeh3VZ1+DfXW1eRiesuGd3nLOvV4PcWAbrC+S1t K1LgPvGab/2FOV3HGK9xuzGIu8dd/g3t8wQVlOVhWAzRKZalsa0dAy+6VQXB8OHC+k6/ 4NUQ== X-Received: by 10.180.208.12 with SMTP id ma12mr137216wic.6.1438814718150; Wed, 05 Aug 2015 15:45:18 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id b13sm23253wic.15.2015.08.05.15.45.16 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 05 Aug 2015 15:45:17 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Wed, 5 Aug 2015 23:45:33 +0100 Message-Id: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> References: To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > I have a question about Irmin merge call back for user-defined contents. It appears that merge is only called for the content that was changed but not added or deleted. Is it possible to have it called for all actions? It's supposed to be called even when one of the version is added or deleted. In that case one of the values will be a None. That's why the merge callback [1] takes an option type. Notice that you should not normally have None for all the 3 elements of the 3-way merge. Best, Thomas [1] http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 23:26:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 23:26:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN84U-0004di-8i; Wed, 05 Aug 2015 23:26:06 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN84T-0004dd-ES for mirageos-devel@lists.xenproject.org; Wed, 05 Aug 2015 23:26:05 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id B6/C0-25435-C8B92C55; Wed, 05 Aug 2015 23:26:04 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1438817161!38295002!1 X-Originating-IP: [209.85.160.174] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20105 invoked from network); 5 Aug 2015 23:26:02 -0000 Received: from mail-yk0-f174.google.com (HELO mail-yk0-f174.google.com) (209.85.160.174) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 5 Aug 2015 23:26:02 -0000 Received: by ykoo205 with SMTP id o205so49066587yko.0 for ; Wed, 05 Aug 2015 16:26:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=axQL69rU60H/rI4vdMKMtgyckbAaqv4CZ8APa+gP8UI=; b=Yh8HCmIB6o0iepZsY0hhWf55FoQEUP1l8k/5ggsbiMWHvXZh1UCfnScIZsTMTyFtyf jLTaQt9WynkUxVeljpcOPegH9TNCDV3bzxhTqu/SkVrJoJA1jMdzK2oirDIT8iqIVXzm vL5weBSEjPnw9X4TkydfBKMDJ4JeVBqO88jjPwex1v+v9EpRWedkIbXnhuEGnBWEJpKu GiZFPEN0Oh7DSzu2HvU08KiXzSPrdPPngyXNbIJF633SDaFKtKRiiVddG+jIQm6Xytdd Dr0FL+W6KtjxzQ4taZeGMWRvQ9BGbvvIWCmWKMcO8yO8gYtdpjBb7cjREXHXrh3pYUOq LuhA== X-Gm-Message-State: ALoCoQltpLbfYTkWY+rkhT9oVDc5C5MoOGBY0P0aZYxw0IcWplAYt1jNwMkIwrLUZpjuscZ0n6cX MIME-Version: 1.0 X-Received: by 10.170.98.84 with SMTP id p81mr12253656yka.128.1438817161157; Wed, 05 Aug 2015 16:26:01 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Wed, 5 Aug 2015 16:26:01 -0700 (PDT) Date: Wed, 5 Aug 2015 19:26:01 -0400 Message-ID: From: Len Maxwell To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3878489172360179316==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3878489172360179316== Content-Type: multipart/alternative; boundary=001a113aae44c9d44d051c98b900 --001a113aae44c9d44d051c98b900 Content-Type: text/plain; charset=UTF-8 Hi, After working with minios-xen a bit, I thought I could help with this pioneer project. There seem to be significantly fewer C warnings than the last time I looked (months ago). Running "make xen-ocaml-build" (plus -Wall) in mirage-platform yields some missing function prototypes. These do not show up in the travis log [1] because it's not part of the test script -- should it be? Anything else I should be looking for? [1] https://travis-ci.org/mirage/mirage-platform/jobs/73161828 thanks, -- Len --001a113aae44c9d44d051c98b900 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Hi,

After working with m= inios-xen a bit, I thought I could help with this pioneer project.=C2=A0 Th= ere seem to be significantly fewer C warnings than the last time I looked (= months ago).

Running "make xen-ocaml-build&qu= ot; (plus -Wall) in mirage-platform yields some missing function prototypes= .=C2=A0 These do not show up in the travis log [1] because it's not par= t of the test script -- should it be?

Anything els= e I should be looking for?


<= br>
thanks,
--
Len
--001a113aae44c9d44d051c98b900-- --===============3878489172360179316== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3878489172360179316==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 05 23:26:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 05 Aug 2015 23:26:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN84U-0004di-8i; Wed, 05 Aug 2015 23:26:06 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZN84T-0004dd-ES for mirageos-devel@lists.xenproject.org; Wed, 05 Aug 2015 23:26:05 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id B6/C0-25435-C8B92C55; Wed, 05 Aug 2015 23:26:04 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1438817161!38295002!1 X-Originating-IP: [209.85.160.174] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20105 invoked from network); 5 Aug 2015 23:26:02 -0000 Received: from mail-yk0-f174.google.com (HELO mail-yk0-f174.google.com) (209.85.160.174) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 5 Aug 2015 23:26:02 -0000 Received: by ykoo205 with SMTP id o205so49066587yko.0 for ; Wed, 05 Aug 2015 16:26:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=axQL69rU60H/rI4vdMKMtgyckbAaqv4CZ8APa+gP8UI=; b=Yh8HCmIB6o0iepZsY0hhWf55FoQEUP1l8k/5ggsbiMWHvXZh1UCfnScIZsTMTyFtyf jLTaQt9WynkUxVeljpcOPegH9TNCDV3bzxhTqu/SkVrJoJA1jMdzK2oirDIT8iqIVXzm vL5weBSEjPnw9X4TkydfBKMDJ4JeVBqO88jjPwex1v+v9EpRWedkIbXnhuEGnBWEJpKu GiZFPEN0Oh7DSzu2HvU08KiXzSPrdPPngyXNbIJF633SDaFKtKRiiVddG+jIQm6Xytdd Dr0FL+W6KtjxzQ4taZeGMWRvQ9BGbvvIWCmWKMcO8yO8gYtdpjBb7cjREXHXrh3pYUOq LuhA== X-Gm-Message-State: ALoCoQltpLbfYTkWY+rkhT9oVDc5C5MoOGBY0P0aZYxw0IcWplAYt1jNwMkIwrLUZpjuscZ0n6cX MIME-Version: 1.0 X-Received: by 10.170.98.84 with SMTP id p81mr12253656yka.128.1438817161157; Wed, 05 Aug 2015 16:26:01 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Wed, 5 Aug 2015 16:26:01 -0700 (PDT) Date: Wed, 5 Aug 2015 19:26:01 -0400 Message-ID: From: Len Maxwell To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3878489172360179316==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3878489172360179316== Content-Type: multipart/alternative; boundary=001a113aae44c9d44d051c98b900 --001a113aae44c9d44d051c98b900 Content-Type: text/plain; charset=UTF-8 Hi, After working with minios-xen a bit, I thought I could help with this pioneer project. There seem to be significantly fewer C warnings than the last time I looked (months ago). Running "make xen-ocaml-build" (plus -Wall) in mirage-platform yields some missing function prototypes. These do not show up in the travis log [1] because it's not part of the test script -- should it be? Anything else I should be looking for? [1] https://travis-ci.org/mirage/mirage-platform/jobs/73161828 thanks, -- Len --001a113aae44c9d44d051c98b900 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Hi,

After working with m= inios-xen a bit, I thought I could help with this pioneer project.=C2=A0 Th= ere seem to be significantly fewer C warnings than the last time I looked (= months ago).

Running "make xen-ocaml-build&qu= ot; (plus -Wall) in mirage-platform yields some missing function prototypes= .=C2=A0 These do not show up in the travis log [1] because it's not par= t of the test script -- should it be?

Anything els= e I should be looking for?


<= br>
thanks,
--
Len
--001a113aae44c9d44d051c98b900-- --===============3878489172360179316== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3878489172360179316==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 08:58:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 08:58:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNH0A-0001QQ-Nv; Thu, 06 Aug 2015 08:58:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNH09-0001QK-HT for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 08:58:13 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 52/D0-18886-4A123C55; Thu, 06 Aug 2015 08:58:12 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1438851491!38432837!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14714 invoked from network); 6 Aug 2015 08:58:12 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-12.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 08:58:12 -0000 Received: by vkhe67 with SMTP id e67so1926207vkh.0 for ; Thu, 06 Aug 2015 01:58:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=IKOXNNBQb1pj3cnjL77DlgrOx/GhdpOsYURcIkj61d4=; b=yMQu6XHvXFxIk1K6Kh5T6OLRz10GYWDUDtqlABAu8+ATP1e6akk3mYc8lp5xGCsspS ADr9cF/jz5a5E5rxNFofCFipPd9Na0ogsMK4PByqesD1klQ7b5TijF8yafjUyzmZknbl 9Hbfy5YGWOnWntlIE5lWkioayGmO/zVj+Kk4Oa0QkBSHQWmAyyyTCNHr8zG/QkHjPfWU pLCv8zRdyfg2Vquh9bTYUYSmrkbch7PIEO3I7QfnGjrf2VHPR5Kf1bn1jzR1fNO1n/4w tULT0MyQcSLe2dkb7Pt8/XLUro+ATGlOchtqfjtLfVRowhT0Fm/WJ51ns9siJQEsr8tO XE8w== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr579223vdc.87.1438851491034; Thu, 06 Aug 2015 01:58:11 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 6 Aug 2015 01:58:10 -0700 (PDT) In-Reply-To: References: Date: Thu, 6 Aug 2015 09:58:10 +0100 Message-ID: From: Thomas Leonard To: Len Maxwell Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 August 2015 at 00:26, Len Maxwell wrote: > > Hi, > > After working with minios-xen a bit, I thought I could help with this > pioneer project. There seem to be significantly fewer C warnings than the > last time I looked (months ago). That would be very useful! > Running "make xen-ocaml-build" (plus -Wall) in mirage-platform yields some > missing function prototypes. These do not show up in the travis log [1] > because it's not part of the test script -- should it be? The test script (.travis-ci.sh) does: opam pin add -n mirage-xen-posix . opam pin add -n mirage-xen-ocaml . opam install mirage-xen-ocaml make xen-build make xen-install So, I think it is built but opam doesn't show the build output on success. It might be worth seeing if we can run the Travis builds with -Werror. > Anything else I should be looking for? > > [1] https://travis-ci.org/mirage/mirage-platform/jobs/73161828 -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 08:58:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 08:58:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNH0A-0001QQ-Nv; Thu, 06 Aug 2015 08:58:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNH09-0001QK-HT for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 08:58:13 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 52/D0-18886-4A123C55; Thu, 06 Aug 2015 08:58:12 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1438851491!38432837!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14714 invoked from network); 6 Aug 2015 08:58:12 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-12.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 08:58:12 -0000 Received: by vkhe67 with SMTP id e67so1926207vkh.0 for ; Thu, 06 Aug 2015 01:58:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=IKOXNNBQb1pj3cnjL77DlgrOx/GhdpOsYURcIkj61d4=; b=yMQu6XHvXFxIk1K6Kh5T6OLRz10GYWDUDtqlABAu8+ATP1e6akk3mYc8lp5xGCsspS ADr9cF/jz5a5E5rxNFofCFipPd9Na0ogsMK4PByqesD1klQ7b5TijF8yafjUyzmZknbl 9Hbfy5YGWOnWntlIE5lWkioayGmO/zVj+Kk4Oa0QkBSHQWmAyyyTCNHr8zG/QkHjPfWU pLCv8zRdyfg2Vquh9bTYUYSmrkbch7PIEO3I7QfnGjrf2VHPR5Kf1bn1jzR1fNO1n/4w tULT0MyQcSLe2dkb7Pt8/XLUro+ATGlOchtqfjtLfVRowhT0Fm/WJ51ns9siJQEsr8tO XE8w== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr579223vdc.87.1438851491034; Thu, 06 Aug 2015 01:58:11 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 6 Aug 2015 01:58:10 -0700 (PDT) In-Reply-To: References: Date: Thu, 6 Aug 2015 09:58:10 +0100 Message-ID: From: Thomas Leonard To: Len Maxwell Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 August 2015 at 00:26, Len Maxwell wrote: > > Hi, > > After working with minios-xen a bit, I thought I could help with this > pioneer project. There seem to be significantly fewer C warnings than the > last time I looked (months ago). That would be very useful! > Running "make xen-ocaml-build" (plus -Wall) in mirage-platform yields some > missing function prototypes. These do not show up in the travis log [1] > because it's not part of the test script -- should it be? The test script (.travis-ci.sh) does: opam pin add -n mirage-xen-posix . opam pin add -n mirage-xen-ocaml . opam install mirage-xen-ocaml make xen-build make xen-install So, I think it is built but opam doesn't show the build output on success. It might be worth seeing if we can run the Travis builds with -Werror. > Anything else I should be looking for? > > [1] https://travis-ci.org/mirage/mirage-platform/jobs/73161828 -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 09:57:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 09:57:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNHvl-0006gi-GJ; Thu, 06 Aug 2015 09:57:45 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNHvk-0006gd-DA for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 09:57:44 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 56/63-28221-79F23C55; Thu, 06 Aug 2015 09:57:43 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-7.tower-27.messagelabs.com!1438855062!38400471!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_90_100,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8150 invoked from network); 6 Aug 2015 09:57:42 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-7.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 6 Aug 2015 09:57:42 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:53824) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNHvi-0004tX-jT (Exim 4.82_3-c0e5623) (return-path ); Thu, 06 Aug 2015 10:57:42 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> Date: Thu, 6 Aug 2015 10:57:46 +0100 Message-Id: <0913A552-D137-4525-8AD8-BB518D9385C2@cam.ac.uk> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4270089264983207468==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4270089264983207468== Content-Type: multipart/alternative; boundary="Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC" --Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I had looked at the code and figured it should be called for added and = deleted objects as well but it=E2=80=99s not. Below is a code snippet = that I test with. Does it look right? Thanks, Gregory open Lwt open Irmin_unix let opt_eq x =3D function | None -> None =3D x | Some v -> v =3D x module ImapContents =3D struct include Irmin.Contents.String let merge path ~old x y =3D let open Irmin.Merge.OP in Printf.printf "merging path: %s %b\n%!" (String.concat "/" path) = (x =3D y); old () >>=3D function | `Conflict _ -> ok y | `Ok old -> if opt_eq x old then ( ok y ) else if opt_eq y old then ( ok x ) else ( ok y ) end let fetch remote local =3D let store =3D Irmin.basic (module Irmin_git.FS) (module ImapContents) = in let config =3D Irmin_git.config ~root:local ~bare:true () in Irmin.create store config task >>=3D fun t -> let upstream =3D Irmin.remote_uri remote in Irmin.pull_exn (t "Syncing with upstream store") upstream `Merge let () =3D Lwt_main.run ( catch (fun () -> fetch Sys.argv.(1) Sys.argv.(2)) (fun ex -> Printf.printf "----- exception %s\n%!" = (Printexc.to_string ex); return ()) ) > On Aug 5, 2015, at 11:45 PM, Thomas Gazagnaire = wrote: >=20 >> I have a question about Irmin merge call back for user-defined = contents. It appears that merge is only called for the content that was = changed but not added or deleted. Is it possible to have it called for = all actions? >=20 > It's supposed to be called even when one of the version is added or = deleted. In that case one of the values will be a None. That's why the = merge callback [1] takes an option type. Notice that you should not = normally have None for all the 3 elements of the 3-way merge. >=20 > Best, > Thomas >=20 > [1] http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge >=20 --Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I had looked at the code and figured it should be called for = added and deleted objects as well but it=E2=80=99s not. Below is a code = snippet that I test with. Does it look right?

Thanks,
Gregory

open Lwt
open = Irmin_unix

let opt_eq x =3D = function
  | None -> None =3D x
  | Some v -> v =3D x

module ImapContents =3D
  = struct
    include Irmin.Contents.String
    let merge path ~old x y =3D
      = let open Irmin.Merge.OP in
      Printf.printf "merging path: %s = %b\n%!" (String.concat "/" path) (x =3D y);
      old () >>=3D function
      | `Conflict _ -> ok y
      | `Ok old ->
      if opt_eq x old then (
        ok = y
      ) else if opt_eq y old = then (
        ok x
    =   ) else (
        ok = y
      )
  = end

let fetch remote local =3D
  let store =3D Irmin.basic (module Irmin_git.FS) (module ImapContents) in
  let config =3D Irmin_git.config ~root:local ~bare:true () in
  Irmin.create = store config task >>=3D fun t ->
  let upstream = =3D Irmin.remote_uri = remote in
  Irmin.pull_exn (t "Syncing with = upstream store") upstream `Merge

let () =3D
  Lwt_main.run (
    catch (fun () -> fetch Sys.argv.(1) Sys.argv.(2))
        (fun ex -> Printf.printf "----- exception = %s\n%!" (Printexc.to_string ex); return ())
  )
On Aug 5, 2015, at 11:45 PM, Thomas Gazagnaire <thomas@gazagnaire.org> wrote:

I have a question about Irmin merge call back = for user-defined contents. It appears that merge is only called for the = content that was changed but not added or deleted. Is it possible to = have it called for all actions?

It's supposed to be called even when one of the version is = added or deleted. In that case one of the values will be a None. That's = why the merge callback [1] takes an option type. Notice that you should = not normally have None for all the 3 elements of the 3-way merge.

Best,
Thomas

[1] http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge


= --Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC-- --===============4270089264983207468== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4270089264983207468==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 09:57:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 09:57:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNHvl-0006gi-GJ; Thu, 06 Aug 2015 09:57:45 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNHvk-0006gd-DA for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 09:57:44 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 56/63-28221-79F23C55; Thu, 06 Aug 2015 09:57:43 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-7.tower-27.messagelabs.com!1438855062!38400471!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_90_100,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8150 invoked from network); 6 Aug 2015 09:57:42 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-7.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 6 Aug 2015 09:57:42 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:53824) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNHvi-0004tX-jT (Exim 4.82_3-c0e5623) (return-path ); Thu, 06 Aug 2015 10:57:42 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> Date: Thu, 6 Aug 2015 10:57:46 +0100 Message-Id: <0913A552-D137-4525-8AD8-BB518D9385C2@cam.ac.uk> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4270089264983207468==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4270089264983207468== Content-Type: multipart/alternative; boundary="Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC" --Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I had looked at the code and figured it should be called for added and = deleted objects as well but it=E2=80=99s not. Below is a code snippet = that I test with. Does it look right? Thanks, Gregory open Lwt open Irmin_unix let opt_eq x =3D function | None -> None =3D x | Some v -> v =3D x module ImapContents =3D struct include Irmin.Contents.String let merge path ~old x y =3D let open Irmin.Merge.OP in Printf.printf "merging path: %s %b\n%!" (String.concat "/" path) = (x =3D y); old () >>=3D function | `Conflict _ -> ok y | `Ok old -> if opt_eq x old then ( ok y ) else if opt_eq y old then ( ok x ) else ( ok y ) end let fetch remote local =3D let store =3D Irmin.basic (module Irmin_git.FS) (module ImapContents) = in let config =3D Irmin_git.config ~root:local ~bare:true () in Irmin.create store config task >>=3D fun t -> let upstream =3D Irmin.remote_uri remote in Irmin.pull_exn (t "Syncing with upstream store") upstream `Merge let () =3D Lwt_main.run ( catch (fun () -> fetch Sys.argv.(1) Sys.argv.(2)) (fun ex -> Printf.printf "----- exception %s\n%!" = (Printexc.to_string ex); return ()) ) > On Aug 5, 2015, at 11:45 PM, Thomas Gazagnaire = wrote: >=20 >> I have a question about Irmin merge call back for user-defined = contents. It appears that merge is only called for the content that was = changed but not added or deleted. Is it possible to have it called for = all actions? >=20 > It's supposed to be called even when one of the version is added or = deleted. In that case one of the values will be a None. That's why the = merge callback [1] takes an option type. Notice that you should not = normally have None for all the 3 elements of the 3-way merge. >=20 > Best, > Thomas >=20 > [1] http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge >=20 --Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I had looked at the code and figured it should be called for = added and deleted objects as well but it=E2=80=99s not. Below is a code = snippet that I test with. Does it look right?

Thanks,
Gregory

open Lwt
open = Irmin_unix

let opt_eq x =3D = function
  | None -> None =3D x
  | Some v -> v =3D x

module ImapContents =3D
  = struct
    include Irmin.Contents.String
    let merge path ~old x y =3D
      = let open Irmin.Merge.OP in
      Printf.printf "merging path: %s = %b\n%!" (String.concat "/" path) (x =3D y);
      old () >>=3D function
      | `Conflict _ -> ok y
      | `Ok old ->
      if opt_eq x old then (
        ok = y
      ) else if opt_eq y old = then (
        ok x
    =   ) else (
        ok = y
      )
  = end

let fetch remote local =3D
  let store =3D Irmin.basic (module Irmin_git.FS) (module ImapContents) in
  let config =3D Irmin_git.config ~root:local ~bare:true () in
  Irmin.create = store config task >>=3D fun t ->
  let upstream = =3D Irmin.remote_uri = remote in
  Irmin.pull_exn (t "Syncing with = upstream store") upstream `Merge

let () =3D
  Lwt_main.run (
    catch (fun () -> fetch Sys.argv.(1) Sys.argv.(2))
        (fun ex -> Printf.printf "----- exception = %s\n%!" (Printexc.to_string ex); return ())
  )
On Aug 5, 2015, at 11:45 PM, Thomas Gazagnaire <thomas@gazagnaire.org> wrote:

I have a question about Irmin merge call back = for user-defined contents. It appears that merge is only called for the = content that was changed but not added or deleted. Is it possible to = have it called for all actions?

It's supposed to be called even when one of the version is = added or deleted. In that case one of the values will be a None. That's = why the merge callback [1] takes an option type. Notice that you should = not normally have None for all the 3 elements of the 3-way merge.

Best,
Thomas

[1] http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge


= --Apple-Mail=_995A43AB-0604-4448-8C5C-E6E0AAA0CBFC-- --===============4270089264983207468== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4270089264983207468==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 13:46:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 13:46:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNLVE-0007Y6-F8; Thu, 06 Aug 2015 13:46:36 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNLVD-0007Xj-B0 for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 13:46:35 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 57/73-22089-A3563C55; 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Thu, 06 Aug 2015 14:46:33 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> Date: Thu, 6 Aug 2015 14:46:37 +0100 Message-Id: <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org QXMgZmFyIGFzIEkgY2FuIHRlbGwgZnJvbSB0aGUgY29kZSwgY2FzZXMgd2hlbiBsY2E9dDEgb3Ig bGNhPXQyIGFyZSBoYW5kbGVkIGJ5IHRoZSDigJhkZWZhdWx0JyBtZXRob2Qgc28gdGhlIGN1c3Rv bSBkZWZpbmVkIG1lcmdlIGlzIG5vdCBjYWxsZWQuCkJ1dCB0aGlzIHdhcyBub3QgYWx3YXlzIHRo ZSBjYXNlIC0gaW4gc29tZSByZXZpc2lvbnMgb2YgaXJfbWVyZ2UubWwgdGhlIOKAmGRlZmF1bHTi gJkgKCBpbiBtZXRob2QgYmlqZWN04oCZICkgd2FzIG5vdCBjYWxsZWQgZmlyc3QgOgpDb21taXRz IG9uIE1hciA0LEZlYiA2LCBGZWIgMiAyMDE1IC0gY2FsbCDigJhkZWZhdWx04oCZIGZpcnN0CkNv bW1pdHMgb24gSmFuIDI3LCBKYW4gMjYsIEphbiAxMiAyMDE1IC0gZG9u4oCZdCBjYWxsIOKAmGRl ZmF1bHTigJkgZmlyc3QKQ29tbWl0cyBvbiBKYW4gMTEgMjAxNSwgYW5kIG9sZGVyIC0gY2FsbCDi gJhkZWZhdWx04oCZIGZpcnN0CgpTbyBpdCBjaGFuZ2VkIGJhY2sgYW5kIGZvcnRoLiBJIGFtIG5v dCBzdXJlIHdoYXQgdGhlIGludGVudGlvbiB3YXMgYnV0IEkgdGhpbmsgaGF2aW5nIHRoZSBhYmls aXR5IHRvIGN1c3RvbS1oYW5kbGUgYWxsIGNhc2VzIGlzIHByZWZlcnJlZD8KClRoYW5rcywKR3Jl Z29yeQoKPiBPbiBBdWcgNSwgMjAxNSwgYXQgMTE6NDUgUE0sIFRob21hcyBHYXphZ25haXJlIDx0 aG9tYXNAZ2F6YWduYWlyZS5vcmc+IHdyb3RlOgo+IAo+PiBJIGhhdmUgYSBxdWVzdGlvbiBhYm91 dCBJcm1pbiBtZXJnZSBjYWxsIGJhY2sgZm9yIHVzZXItZGVmaW5lZCBjb250ZW50cy4gSXQgYXBw ZWFycyB0aGF0IG1lcmdlIGlzIG9ubHkgY2FsbGVkIGZvciB0aGUgY29udGVudCB0aGF0IHdhcyBj aGFuZ2VkIGJ1dCBub3QgYWRkZWQgb3IgZGVsZXRlZC4gSXMgaXQgcG9zc2libGUgdG8gaGF2ZSBp dCBjYWxsZWQgZm9yIGFsbCBhY3Rpb25zPwo+IAo+IEl0J3Mgc3VwcG9zZWQgdG8gYmUgY2FsbGVk IGV2ZW4gd2hlbiBvbmUgb2YgdGhlIHZlcnNpb24gaXMgYWRkZWQgb3IgZGVsZXRlZC4gSW4gdGhh dCBjYXNlIG9uZSBvZiB0aGUgdmFsdWVzIHdpbGwgYmUgYSBOb25lLiBUaGF0J3Mgd2h5IHRoZSBt ZXJnZSBjYWxsYmFjayBbMV0gdGFrZXMgYW4gb3B0aW9uIHR5cGUuIE5vdGljZSB0aGF0IHlvdSBz aG91bGQgbm90IG5vcm1hbGx5IGhhdmUgTm9uZSBmb3IgYWxsIHRoZSAzIGVsZW1lbnRzIG9mIHRo ZSAzLXdheSBtZXJnZS4KPiAKPiBCZXN0LAo+IFRob21hcwo+IAo+IFsxXSBodHRwOi8vbWlyYWdl LmdpdGh1Yi5pby9pcm1pbi9Jcm1pbi5Db250ZW50cy5TLmh0bWwjVkFMbWVyZ2UKPiAKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZl bCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDov L2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1k ZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 15:20:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 15:20:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNMy0-0005WQ-QT; 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a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=4QycQSDLusM1XJ9U38wWLl8aS/RsKOh2o4z3X79qIeY=; b=KL7ZJykYPfUme/emMnlZ27nYVnEFoEF42c8SWwdPn7IwnG2ISXT7MvhykyqaSBbRlJ BTLpdFQ+tysBqXSOQarWUV2ZOke88n01XYCQesRWekSB95BnQemvC6kpJCpZBtz+tZ9H RJnWaRGMtT1rrOLGMfCIaXKLq2EJT4yU5l/7oUtIOTVIZWnmCrd59xsqKEXeh20PNk9C AZYrslI7SYCgDtEFTzzaAxL2JnY+YX/U8Z0yQ9XOpejPAcO1fg8Fo2Jx+vzalqjC4poM 6NPI9OaounqSxrU/zZTcekC/C5Ad1RAIDRSpBwcT0GzdGFWctTXzzokdNA4lqO/2PBCn 5Xqg== MIME-Version: 1.0 X-Received: by 10.52.52.114 with SMTP id s18mr2823007vdo.9.1438874419777; Thu, 06 Aug 2015 08:20:19 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 6 Aug 2015 08:20:19 -0700 (PDT) Date: Thu, 6 Aug 2015 16:20:19 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, I'm making a Mirage server backend for CueKeeper [1], allowing you to sync your todo list between devices. It currently works fine using an in-memory store (with Unix or Xen target). Using an in-memory store only is actually workable: after restarting the server it automatically reloads the full history from the first client to connect. However, storing the data on disk would be better. The browser side uses irmin-indexeddb, which uses Irmin's native (non-Git) format, so the server needs to use that too. Does this work yet? I see that Irmin_fs requires an IO module that provides filesystem operations, but it doesn't quite match the mirage FS type. Has anyone made an adaptor already? Thanks, [1] https://github.com/talex5/cuekeeper -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 15:20:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 15:20:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNMy0-0005WQ-QT; Thu, 06 Aug 2015 15:20:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNMxz-0005WL-G6 for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 15:20:23 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id A8/50-12889-63B73C55; Thu, 06 Aug 2015 15:20:22 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-9.tower-27.messagelabs.com!1438874420!38523996!1 X-Originating-IP: [209.85.213.43] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22563 invoked from network); 6 Aug 2015 15:20:20 -0000 Received: from mail-vk0-f43.google.com (HELO mail-vk0-f43.google.com) (209.85.213.43) by server-9.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 15:20:20 -0000 Received: by vkhe67 with SMTP id e67so5343989vkh.0 for ; Thu, 06 Aug 2015 08:20:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=4QycQSDLusM1XJ9U38wWLl8aS/RsKOh2o4z3X79qIeY=; b=KL7ZJykYPfUme/emMnlZ27nYVnEFoEF42c8SWwdPn7IwnG2ISXT7MvhykyqaSBbRlJ BTLpdFQ+tysBqXSOQarWUV2ZOke88n01XYCQesRWekSB95BnQemvC6kpJCpZBtz+tZ9H RJnWaRGMtT1rrOLGMfCIaXKLq2EJT4yU5l/7oUtIOTVIZWnmCrd59xsqKEXeh20PNk9C AZYrslI7SYCgDtEFTzzaAxL2JnY+YX/U8Z0yQ9XOpejPAcO1fg8Fo2Jx+vzalqjC4poM 6NPI9OaounqSxrU/zZTcekC/C5Ad1RAIDRSpBwcT0GzdGFWctTXzzokdNA4lqO/2PBCn 5Xqg== MIME-Version: 1.0 X-Received: by 10.52.52.114 with SMTP id s18mr2823007vdo.9.1438874419777; Thu, 06 Aug 2015 08:20:19 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 6 Aug 2015 08:20:19 -0700 (PDT) Date: Thu, 6 Aug 2015 16:20:19 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, I'm making a Mirage server backend for CueKeeper [1], allowing you to sync your todo list between devices. It currently works fine using an in-memory store (with Unix or Xen target). Using an in-memory store only is actually workable: after restarting the server it automatically reloads the full history from the first client to connect. However, storing the data on disk would be better. The browser side uses irmin-indexeddb, which uses Irmin's native (non-Git) format, so the server needs to use that too. Does this work yet? I see that Irmin_fs requires an IO module that provides filesystem operations, but it doesn't quite match the mirage FS type. Has anyone made an adaptor already? Thanks, [1] https://github.com/talex5/cuekeeper -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 16:01:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 16:01:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNbw-000067-2S; Thu, 06 Aug 2015 16:01:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNbu-00005r-KG for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 16:01:38 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id C4/7F-05269-1E483C55; Thu, 06 Aug 2015 16:01:37 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1438876896!30594516!1 X-Originating-IP: [209.85.212.170] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6726 invoked from network); 6 Aug 2015 16:01:36 -0000 Received: from mail-wi0-f170.google.com (HELO mail-wi0-f170.google.com) (209.85.212.170) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 16:01:36 -0000 Received: by wibxm9 with SMTP id xm9so30624413wib.1 for ; Thu, 06 Aug 2015 09:01:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=D0UQ/LfPo67WCtJhi+3F3cPZ8O75bQaDnxqYkhiy/2I=; b=aOA6kJ0daUiZWaOgIZ2VHukpZTA0S6qnBUjDeIwB5x9zGWTtnvJ1wfV9yhwKCnMLz/ 0/OWlAm4odq2tNnA3WncTyZI5gMEFkfRKNZF2G/O0RRhT/WF12yK7EKGL/oRO2rPchyE UXPO/wCF5Cd+1Vx/cvA1r6er3gC4tJJAST8A+ApJnh4QKf7Or+Gnwm2lRFPV3vHUgCxU o55CWoL1dSozfsspLFxifd1DQGOnPPZaLeP/AsHo7d3WKQJDzLTwqaAHiYwnqxFGYKs7 6jG9bg4K54tuz4P+dNsJ6j2h946cDFHq60XJlXUZbnB46l/pVJ+GmbC6/pE7WIq9mxjj 9Gfw== X-Received: by 10.180.90.83 with SMTP id bu19mr7696465wib.91.1438876896599; Thu, 06 Aug 2015 09:01:36 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id l2sm3994102wib.11.2015.08.06.09.01.35 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 09:01:35 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 6 Aug 2015 17:01:56 +0100 Message-Id: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > The browser side uses irmin-indexeddb, which uses Irmin's native > (non-Git) format, so the server needs to use that too. Does this work > yet? > > I see that Irmin_fs requires an IO module that provides filesystem > operations, but it doesn't quite match the mirage FS type. Has anyone > made an adaptor already? Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. Thomas [1]: https://github.com/mirage/ocaml-git/blob/master/lib/mirage/git_mirage.ml#L27 [2]: https://github.com/mirage/ocaml-git/pull/115 > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 16:01:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 16:01:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNbw-000067-2S; Thu, 06 Aug 2015 16:01:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNbu-00005r-KG for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 16:01:38 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id C4/7F-05269-1E483C55; Thu, 06 Aug 2015 16:01:37 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1438876896!30594516!1 X-Originating-IP: [209.85.212.170] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6726 invoked from network); 6 Aug 2015 16:01:36 -0000 Received: from mail-wi0-f170.google.com (HELO mail-wi0-f170.google.com) (209.85.212.170) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 16:01:36 -0000 Received: by wibxm9 with SMTP id xm9so30624413wib.1 for ; Thu, 06 Aug 2015 09:01:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=D0UQ/LfPo67WCtJhi+3F3cPZ8O75bQaDnxqYkhiy/2I=; b=aOA6kJ0daUiZWaOgIZ2VHukpZTA0S6qnBUjDeIwB5x9zGWTtnvJ1wfV9yhwKCnMLz/ 0/OWlAm4odq2tNnA3WncTyZI5gMEFkfRKNZF2G/O0RRhT/WF12yK7EKGL/oRO2rPchyE UXPO/wCF5Cd+1Vx/cvA1r6er3gC4tJJAST8A+ApJnh4QKf7Or+Gnwm2lRFPV3vHUgCxU o55CWoL1dSozfsspLFxifd1DQGOnPPZaLeP/AsHo7d3WKQJDzLTwqaAHiYwnqxFGYKs7 6jG9bg4K54tuz4P+dNsJ6j2h946cDFHq60XJlXUZbnB46l/pVJ+GmbC6/pE7WIq9mxjj 9Gfw== X-Received: by 10.180.90.83 with SMTP id bu19mr7696465wib.91.1438876896599; Thu, 06 Aug 2015 09:01:36 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id l2sm3994102wib.11.2015.08.06.09.01.35 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 09:01:35 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 6 Aug 2015 17:01:56 +0100 Message-Id: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > The browser side uses irmin-indexeddb, which uses Irmin's native > (non-Git) format, so the server needs to use that too. Does this work > yet? > > I see that Irmin_fs requires an IO module that provides filesystem > operations, but it doesn't quite match the mirage FS type. Has anyone > made an adaptor already? Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. Thomas [1]: https://github.com/mirage/ocaml-git/blob/master/lib/mirage/git_mirage.ml#L27 [2]: https://github.com/mirage/ocaml-git/pull/115 > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 16:09:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 16:09:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNjO-0000lM-OT; Thu, 06 Aug 2015 16:09:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNjN-0000lH-6P for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 16:09:21 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 69/9B-19125-0B683C55; Thu, 06 Aug 2015 16:09:20 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1438877359!10619626!1 X-Originating-IP: [209.85.212.174] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26487 invoked from network); 6 Aug 2015 16:09:19 -0000 Received: from mail-wi0-f174.google.com (HELO mail-wi0-f174.google.com) (209.85.212.174) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 16:09:19 -0000 Received: by wibxm9 with SMTP id xm9so28925478wib.0 for ; Thu, 06 Aug 2015 09:09:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=YB+z4eZLxFPdirK96L2R38Ismk8CczQWuxJWTB6Mp5Q=; b=0Tec+StOTQKd+6DsXwU3u39efk8RbdGMC66CQvFBF9BnY+6o/WpNJQtAnW6gEdmFwk yqy3L9jBmUU/wdBfMei2+T4G0Vu14Owfn96RKfN63olHXnAw2G0KiDbg8wLcnjAPCYKB sCcHMQ8O6Sm33Zd716Eco5yRk5kqPYM9vJd79iTIyEgKULnUrZ9uAagwy7mqzXSwJE1i mmiazoeqeGTy3psXEzuj6dOUnfEm5SyWAJqYJB5tnoe7OiQPP3yzBrQahYYU8RA/j/14 Wx1qArnTrN8GRyHyF+mXu+EOJdGFtxKJGOQNLfwkahPAw2tAF3Lc+ia9HuM8RKQl67YM ojeg== X-Received: by 10.180.188.201 with SMTP id gc9mr7938117wic.39.1438877359656; Thu, 06 Aug 2015 09:09:19 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id t2sm3842422wiw.24.2015.08.06.09.09.18 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 09:09:18 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> Date: Thu, 6 Aug 2015 17:09:39 +0100 Message-Id: <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org PiBBcyBmYXIgYXMgSSBjYW4gdGVsbCBmcm9tIHRoZSBjb2RlLCBjYXNlcyB3aGVuIGxjYT10MSBv ciBsY2E9dDIgYXJlIGhhbmRsZWQgYnkgdGhlIOKAmGRlZmF1bHQnIG1ldGhvZCBzbyB0aGUgY3Vz dG9tIGRlZmluZWQgbWVyZ2UgaXMgbm90IGNhbGxlZC4KPiBCdXQgdGhpcyB3YXMgbm90IGFsd2F5 cyB0aGUgY2FzZSAtIGluIHNvbWUgcmV2aXNpb25zIG9mIGlyX21lcmdlLm1sIHRoZSDigJhkZWZh dWx04oCZICggaW4gbWV0aG9kIGJpamVjdOKAmSApIHdhcyBub3QgY2FsbGVkIGZpcnN0IDoKPiBD b21taXRzIG9uIE1hciA0LEZlYiA2LCBGZWIgMiAyMDE1IC0gY2FsbCDigJhkZWZhdWx04oCZIGZp cnN0Cj4gQ29tbWl0cyBvbiBKYW4gMjcsIEphbiAyNiwgSmFuIDEyIDIwMTUgLSBkb27igJl0IGNh bGwg4oCYZGVmYXVsdOKAmSBmaXJzdAo+IENvbW1pdHMgb24gSmFuIDExIDIwMTUsIGFuZCBvbGRl ciAtIGNhbGwg4oCYZGVmYXVsdOKAmSBmaXJzdAoKaWYgdGhlIGxjYSBpcyB0aGUgc2FtZSBhcyBv bmUgb2YgdGhlIDIgdmFsdWVzIHRoZW4geWVzLCB3ZSBhcmUgbm93IGRvaW5nIGEgImZhc3QtZm9y d2FyZCIgbWVyZ2UgaWUuIHdlIHBpY2sgdGhlIG1vc3QgcmVjZW50IHZlcnNpb24gKGJhc2ljYWxs eSwgdGhhdCBtZWFucyB0aGF0IHRoZSBvdGhlciB2ZXJzaW9ucyBpcyBsYXRlKS4gQXJlIHlvdSBz dXJlIHRoYXQgeW91IHdhbnQgdG8gZG8gYSBtZXJnZSBpbiB0aGF0IGNhc2U/CgpUaG9tYXMKCgoK PiAKPiBTbyBpdCBjaGFuZ2VkIGJhY2sgYW5kIGZvcnRoLiBJIGFtIG5vdCBzdXJlIHdoYXQgdGhl IGludGVudGlvbiB3YXMgYnV0IEkgdGhpbmsgaGF2aW5nIHRoZSBhYmlsaXR5IHRvIGN1c3RvbS1o YW5kbGUgYWxsIGNhc2VzIGlzIHByZWZlcnJlZD8KPiAKPiBUaGFua3MsCj4gR3JlZ29yeQo+IAo+ PiBPbiBBdWcgNSwgMjAxNSwgYXQgMTE6NDUgUE0sIFRob21hcyBHYXphZ25haXJlIDx0aG9tYXNA Z2F6YWduYWlyZS5vcmc+IHdyb3RlOgo+PiAKPj4+IEkgaGF2ZSBhIHF1ZXN0aW9uIGFib3V0IEly bWluIG1lcmdlIGNhbGwgYmFjayBmb3IgdXNlci1kZWZpbmVkIGNvbnRlbnRzLiBJdCBhcHBlYXJz IHRoYXQgbWVyZ2UgaXMgb25seSBjYWxsZWQgZm9yIHRoZSBjb250ZW50IHRoYXQgd2FzIGNoYW5n ZWQgYnV0IG5vdCBhZGRlZCBvciBkZWxldGVkLiBJcyBpdCBwb3NzaWJsZSB0byBoYXZlIGl0IGNh bGxlZCBmb3IgYWxsIGFjdGlvbnM/Cj4+IAo+PiBJdCdzIHN1cHBvc2VkIHRvIGJlIGNhbGxlZCBl dmVuIHdoZW4gb25lIG9mIHRoZSB2ZXJzaW9uIGlzIGFkZGVkIG9yIGRlbGV0ZWQuIEluIHRoYXQg Y2FzZSBvbmUgb2YgdGhlIHZhbHVlcyB3aWxsIGJlIGEgTm9uZS4gVGhhdCdzIHdoeSB0aGUgbWVy Z2UgY2FsbGJhY2sgWzFdIHRha2VzIGFuIG9wdGlvbiB0eXBlLiBOb3RpY2UgdGhhdCB5b3Ugc2hv dWxkIG5vdCBub3JtYWxseSBoYXZlIE5vbmUgZm9yIGFsbCB0aGUgMyBlbGVtZW50cyBvZiB0aGUg My13YXkgbWVyZ2UuCj4+IAo+PiBCZXN0LAo+PiBUaG9tYXMKPj4gCj4+IFsxXSBodHRwOi8vbWly YWdlLmdpdGh1Yi5pby9pcm1pbi9Jcm1pbi5Db250ZW50cy5TLmh0bWwjVkFMbWVyZ2UKPj4gCj4g CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdl T1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWly YWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 16:09:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 16:09:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNNjO-0000lM-OT; 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[128.232.56.38]) by smtp.gmail.com with ESMTPSA id t2sm3842422wiw.24.2015.08.06.09.09.18 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 09:09:18 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> Date: Thu, 6 Aug 2015 17:09:39 +0100 Message-Id: <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org PiBBcyBmYXIgYXMgSSBjYW4gdGVsbCBmcm9tIHRoZSBjb2RlLCBjYXNlcyB3aGVuIGxjYT10MSBv ciBsY2E9dDIgYXJlIGhhbmRsZWQgYnkgdGhlIOKAmGRlZmF1bHQnIG1ldGhvZCBzbyB0aGUgY3Vz dG9tIGRlZmluZWQgbWVyZ2UgaXMgbm90IGNhbGxlZC4KPiBCdXQgdGhpcyB3YXMgbm90IGFsd2F5 cyB0aGUgY2FzZSAtIGluIHNvbWUgcmV2aXNpb25zIG9mIGlyX21lcmdlLm1sIHRoZSDigJhkZWZh dWx04oCZICggaW4gbWV0aG9kIGJpamVjdOKAmSApIHdhcyBub3QgY2FsbGVkIGZpcnN0IDoKPiBD b21taXRzIG9uIE1hciA0LEZlYiA2LCBGZWIgMiAyMDE1IC0gY2FsbCDigJhkZWZhdWx04oCZIGZp cnN0Cj4gQ29tbWl0cyBvbiBKYW4gMjcsIEphbiAyNiwgSmFuIDEyIDIwMTUgLSBkb27igJl0IGNh bGwg4oCYZGVmYXVsdOKAmSBmaXJzdAo+IENvbW1pdHMgb24gSmFuIDExIDIwMTUsIGFuZCBvbGRl ciAtIGNhbGwg4oCYZGVmYXVsdOKAmSBmaXJzdAoKaWYgdGhlIGxjYSBpcyB0aGUgc2FtZSBhcyBv bmUgb2YgdGhlIDIgdmFsdWVzIHRoZW4geWVzLCB3ZSBhcmUgbm93IGRvaW5nIGEgImZhc3QtZm9y d2FyZCIgbWVyZ2UgaWUuIHdlIHBpY2sgdGhlIG1vc3QgcmVjZW50IHZlcnNpb24gKGJhc2ljYWxs eSwgdGhhdCBtZWFucyB0aGF0IHRoZSBvdGhlciB2ZXJzaW9ucyBpcyBsYXRlKS4gQXJlIHlvdSBz dXJlIHRoYXQgeW91IHdhbnQgdG8gZG8gYSBtZXJnZSBpbiB0aGF0IGNhc2U/CgpUaG9tYXMKCgoK PiAKPiBTbyBpdCBjaGFuZ2VkIGJhY2sgYW5kIGZvcnRoLiBJIGFtIG5vdCBzdXJlIHdoYXQgdGhl IGludGVudGlvbiB3YXMgYnV0IEkgdGhpbmsgaGF2aW5nIHRoZSBhYmlsaXR5IHRvIGN1c3RvbS1o YW5kbGUgYWxsIGNhc2VzIGlzIHByZWZlcnJlZD8KPiAKPiBUaGFua3MsCj4gR3JlZ29yeQo+IAo+ PiBPbiBBdWcgNSwgMjAxNSwgYXQgMTE6NDUgUE0sIFRob21hcyBHYXphZ25haXJlIDx0aG9tYXNA Z2F6YWduYWlyZS5vcmc+IHdyb3RlOgo+PiAKPj4+IEkgaGF2ZSBhIHF1ZXN0aW9uIGFib3V0IEly bWluIG1lcmdlIGNhbGwgYmFjayBmb3IgdXNlci1kZWZpbmVkIGNvbnRlbnRzLiBJdCBhcHBlYXJz IHRoYXQgbWVyZ2UgaXMgb25seSBjYWxsZWQgZm9yIHRoZSBjb250ZW50IHRoYXQgd2FzIGNoYW5n ZWQgYnV0IG5vdCBhZGRlZCBvciBkZWxldGVkLiBJcyBpdCBwb3NzaWJsZSB0byBoYXZlIGl0IGNh bGxlZCBmb3IgYWxsIGFjdGlvbnM/Cj4+IAo+PiBJdCdzIHN1cHBvc2VkIHRvIGJlIGNhbGxlZCBl dmVuIHdoZW4gb25lIG9mIHRoZSB2ZXJzaW9uIGlzIGFkZGVkIG9yIGRlbGV0ZWQuIEluIHRoYXQg Y2FzZSBvbmUgb2YgdGhlIHZhbHVlcyB3aWxsIGJlIGEgTm9uZS4gVGhhdCdzIHdoeSB0aGUgbWVy Z2UgY2FsbGJhY2sgWzFdIHRha2VzIGFuIG9wdGlvbiB0eXBlLiBOb3RpY2UgdGhhdCB5b3Ugc2hv dWxkIG5vdCBub3JtYWxseSBoYXZlIE5vbmUgZm9yIGFsbCB0aGUgMyBlbGVtZW50cyBvZiB0aGUg My13YXkgbWVyZ2UuCj4+IAo+PiBCZXN0LAo+PiBUaG9tYXMKPj4gCj4+IFsxXSBodHRwOi8vbWly YWdlLmdpdGh1Yi5pby9pcm1pbi9Jcm1pbi5Db250ZW50cy5TLmh0bWwjVkFMbWVyZ2UKPj4gCj4g CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdl T1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWly YWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 19:23:29 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 19:23:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNQkz-00069S-Hs; 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Thu, 06 Aug 2015 20:23:10 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> Date: Thu, 6 Aug 2015 20:23:14 +0100 Message-Id: References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SSB0aGluayBpdCBtaWdodCBiZSB1c2VmdWwgZm9yIHNldHRpbmcgZGlmZmVyZW50IG1haWxib3gn cyBtZXJnZSBwcm9maWxlcy4gQnV0IGl0IGlzIGRlZmluaXRlbHkgdmVyeSBoZWxwZnVsIGFuZCBl YXNpZXIgaW4gdXBkYXRpbmcgbWFpbGJveOKAmXMgb3ZlcmFsbCBzdGF0aXN0aWNzIGxpa2UgbWVz c2FnZSBjb3VudCwgcmVjZW50IG1lc3NhZ2VzLCBldGMuIEnigJltIGFjdHVhbGx5IG5vdCBzdXJl IGlmIEkgY2FuIHVzZSB0aGUgY2hhbmdlZCBvYmplY3RzIG9ubHkgdG8gZGVyaXZlIHRoaXMgc3Rh dGlzdGljcy4gVGhlIGNoYW5nZSB0byB0aGUgQVBJIHNlZW1zIGZhaXJseSBzbWFsbCAtIGl0IGNv dWxkIGJlIGFuIG9wdGlvbmFsIGFyZ3VtZW50IHRvIHRoZSBtZXJnZSB0aGF0IGluZGljYXRlcyB3 aGV0aGVyIHRvIHVzZSDigJhmYXN0LWZvcndhcmTigJkgb3Igbm90IGFuZCBzZXQgdG8gdHJ1ZSBi eSBkZWZhdWx0LgoKR3JlZ29yeQoKPiBPbiBBdWcgNiwgMjAxNSwgYXQgNTowOSBQTSwgVGhvbWFz IEdhemFnbmFpcmUgPHRob21hc0BnYXphZ25haXJlLm9yZz4gd3JvdGU6Cj4gCj4+IEFzIGZhciBh cyBJIGNhbiB0ZWxsIGZyb20gdGhlIGNvZGUsIGNhc2VzIHdoZW4gbGNhPXQxIG9yIGxjYT10MiBh cmUgaGFuZGxlZCBieSB0aGUg4oCYZGVmYXVsdCcgbWV0aG9kIHNvIHRoZSBjdXN0b20gZGVmaW5l ZCBtZXJnZSBpcyBub3QgY2FsbGVkLgo+PiBCdXQgdGhpcyB3YXMgbm90IGFsd2F5cyB0aGUgY2Fz ZSAtIGluIHNvbWUgcmV2aXNpb25zIG9mIGlyX21lcmdlLm1sIHRoZSDigJhkZWZhdWx04oCZICgg aW4gbWV0aG9kIGJpamVjdOKAmSApIHdhcyBub3QgY2FsbGVkIGZpcnN0IDoKPj4gQ29tbWl0cyBv biBNYXIgNCxGZWIgNiwgRmViIDIgMjAxNSAtIGNhbGwg4oCYZGVmYXVsdOKAmSBmaXJzdAo+PiBD b21taXRzIG9uIEphbiAyNywgSmFuIDI2LCBKYW4gMTIgMjAxNSAtIGRvbuKAmXQgY2FsbCDigJhk ZWZhdWx04oCZIGZpcnN0Cj4+IENvbW1pdHMgb24gSmFuIDExIDIwMTUsIGFuZCBvbGRlciAtIGNh bGwg4oCYZGVmYXVsdOKAmSBmaXJzdAo+IAo+IGlmIHRoZSBsY2EgaXMgdGhlIHNhbWUgYXMgb25l IG9mIHRoZSAyIHZhbHVlcyB0aGVuIHllcywgd2UgYXJlIG5vdyBkb2luZyBhICJmYXN0LWZvcndh cmQiIG1lcmdlIGllLiB3ZSBwaWNrIHRoZSBtb3N0IHJlY2VudCB2ZXJzaW9uIChiYXNpY2FsbHks IHRoYXQgbWVhbnMgdGhhdCB0aGUgb3RoZXIgdmVyc2lvbnMgaXMgbGF0ZSkuIEFyZSB5b3Ugc3Vy ZSB0aGF0IHlvdSB3YW50IHRvIGRvIGEgbWVyZ2UgaW4gdGhhdCBjYXNlPwo+IAo+IFRob21hcwo+ IAo+IAo+IAo+PiAKPj4gU28gaXQgY2hhbmdlZCBiYWNrIGFuZCBmb3J0aC4gSSBhbSBub3Qgc3Vy ZSB3aGF0IHRoZSBpbnRlbnRpb24gd2FzIGJ1dCBJIHRoaW5rIGhhdmluZyB0aGUgYWJpbGl0eSB0 byBjdXN0b20taGFuZGxlIGFsbCBjYXNlcyBpcyBwcmVmZXJyZWQ/Cj4+IAo+PiBUaGFua3MsCj4+ IEdyZWdvcnkKPj4gCj4+PiBPbiBBdWcgNSwgMjAxNSwgYXQgMTE6NDUgUE0sIFRob21hcyBHYXph Z25haXJlIDx0aG9tYXNAZ2F6YWduYWlyZS5vcmc+IHdyb3RlOgo+Pj4gCj4+Pj4gSSBoYXZlIGEg cXVlc3Rpb24gYWJvdXQgSXJtaW4gbWVyZ2UgY2FsbCBiYWNrIGZvciB1c2VyLWRlZmluZWQgY29u dGVudHMuIEl0IGFwcGVhcnMgdGhhdCBtZXJnZSBpcyBvbmx5IGNhbGxlZCBmb3IgdGhlIGNvbnRl bnQgdGhhdCB3YXMgY2hhbmdlZCBidXQgbm90IGFkZGVkIG9yIGRlbGV0ZWQuIElzIGl0IHBvc3Np YmxlIHRvIGhhdmUgaXQgY2FsbGVkIGZvciBhbGwgYWN0aW9ucz8KPj4+IAo+Pj4gSXQncyBzdXBw b3NlZCB0byBiZSBjYWxsZWQgZXZlbiB3aGVuIG9uZSBvZiB0aGUgdmVyc2lvbiBpcyBhZGRlZCBv ciBkZWxldGVkLiBJbiB0aGF0IGNhc2Ugb25lIG9mIHRoZSB2YWx1ZXMgd2lsbCBiZSBhIE5vbmUu IFRoYXQncyB3aHkgdGhlIG1lcmdlIGNhbGxiYWNrIFsxXSB0YWtlcyBhbiBvcHRpb24gdHlwZS4g Tm90aWNlIHRoYXQgeW91IHNob3VsZCBub3Qgbm9ybWFsbHkgaGF2ZSBOb25lIGZvciBhbGwgdGhl IDMgZWxlbWVudHMgb2YgdGhlIDMtd2F5IG1lcmdlLgo+Pj4gCj4+PiBCZXN0LAo+Pj4gVGhvbWFz Cj4+PiAKPj4+IFsxXSBodHRwOi8vbWlyYWdlLmdpdGh1Yi5pby9pcm1pbi9Jcm1pbi5Db250ZW50 cy5TLmh0bWwjVkFMbWVyZ2UKPj4+IAo+PiAKPiAKCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 19:23:29 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 19:23:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNQkz-00069S-Hs; 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Thu, 06 Aug 2015 20:23:10 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> Date: Thu, 6 Aug 2015 20:23:14 +0100 Message-Id: References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SSB0aGluayBpdCBtaWdodCBiZSB1c2VmdWwgZm9yIHNldHRpbmcgZGlmZmVyZW50IG1haWxib3gn cyBtZXJnZSBwcm9maWxlcy4gQnV0IGl0IGlzIGRlZmluaXRlbHkgdmVyeSBoZWxwZnVsIGFuZCBl YXNpZXIgaW4gdXBkYXRpbmcgbWFpbGJveOKAmXMgb3ZlcmFsbCBzdGF0aXN0aWNzIGxpa2UgbWVz c2FnZSBjb3VudCwgcmVjZW50IG1lc3NhZ2VzLCBldGMuIEnigJltIGFjdHVhbGx5IG5vdCBzdXJl IGlmIEkgY2FuIHVzZSB0aGUgY2hhbmdlZCBvYmplY3RzIG9ubHkgdG8gZGVyaXZlIHRoaXMgc3Rh dGlzdGljcy4gVGhlIGNoYW5nZSB0byB0aGUgQVBJIHNlZW1zIGZhaXJseSBzbWFsbCAtIGl0IGNv dWxkIGJlIGFuIG9wdGlvbmFsIGFyZ3VtZW50IHRvIHRoZSBtZXJnZSB0aGF0IGluZGljYXRlcyB3 aGV0aGVyIHRvIHVzZSDigJhmYXN0LWZvcndhcmTigJkgb3Igbm90IGFuZCBzZXQgdG8gdHJ1ZSBi eSBkZWZhdWx0LgoKR3JlZ29yeQoKPiBPbiBBdWcgNiwgMjAxNSwgYXQgNTowOSBQTSwgVGhvbWFz IEdhemFnbmFpcmUgPHRob21hc0BnYXphZ25haXJlLm9yZz4gd3JvdGU6Cj4gCj4+IEFzIGZhciBh cyBJIGNhbiB0ZWxsIGZyb20gdGhlIGNvZGUsIGNhc2VzIHdoZW4gbGNhPXQxIG9yIGxjYT10MiBh cmUgaGFuZGxlZCBieSB0aGUg4oCYZGVmYXVsdCcgbWV0aG9kIHNvIHRoZSBjdXN0b20gZGVmaW5l ZCBtZXJnZSBpcyBub3QgY2FsbGVkLgo+PiBCdXQgdGhpcyB3YXMgbm90IGFsd2F5cyB0aGUgY2Fz ZSAtIGluIHNvbWUgcmV2aXNpb25zIG9mIGlyX21lcmdlLm1sIHRoZSDigJhkZWZhdWx04oCZICgg aW4gbWV0aG9kIGJpamVjdOKAmSApIHdhcyBub3QgY2FsbGVkIGZpcnN0IDoKPj4gQ29tbWl0cyBv biBNYXIgNCxGZWIgNiwgRmViIDIgMjAxNSAtIGNhbGwg4oCYZGVmYXVsdOKAmSBmaXJzdAo+PiBD b21taXRzIG9uIEphbiAyNywgSmFuIDI2LCBKYW4gMTIgMjAxNSAtIGRvbuKAmXQgY2FsbCDigJhk ZWZhdWx04oCZIGZpcnN0Cj4+IENvbW1pdHMgb24gSmFuIDExIDIwMTUsIGFuZCBvbGRlciAtIGNh bGwg4oCYZGVmYXVsdOKAmSBmaXJzdAo+IAo+IGlmIHRoZSBsY2EgaXMgdGhlIHNhbWUgYXMgb25l IG9mIHRoZSAyIHZhbHVlcyB0aGVuIHllcywgd2UgYXJlIG5vdyBkb2luZyBhICJmYXN0LWZvcndh cmQiIG1lcmdlIGllLiB3ZSBwaWNrIHRoZSBtb3N0IHJlY2VudCB2ZXJzaW9uIChiYXNpY2FsbHks IHRoYXQgbWVhbnMgdGhhdCB0aGUgb3RoZXIgdmVyc2lvbnMgaXMgbGF0ZSkuIEFyZSB5b3Ugc3Vy ZSB0aGF0IHlvdSB3YW50IHRvIGRvIGEgbWVyZ2UgaW4gdGhhdCBjYXNlPwo+IAo+IFRob21hcwo+ IAo+IAo+IAo+PiAKPj4gU28gaXQgY2hhbmdlZCBiYWNrIGFuZCBmb3J0aC4gSSBhbSBub3Qgc3Vy ZSB3aGF0IHRoZSBpbnRlbnRpb24gd2FzIGJ1dCBJIHRoaW5rIGhhdmluZyB0aGUgYWJpbGl0eSB0 byBjdXN0b20taGFuZGxlIGFsbCBjYXNlcyBpcyBwcmVmZXJyZWQ/Cj4+IAo+PiBUaGFua3MsCj4+ IEdyZWdvcnkKPj4gCj4+PiBPbiBBdWcgNSwgMjAxNSwgYXQgMTE6NDUgUE0sIFRob21hcyBHYXph Z25haXJlIDx0aG9tYXNAZ2F6YWduYWlyZS5vcmc+IHdyb3RlOgo+Pj4gCj4+Pj4gSSBoYXZlIGEg cXVlc3Rpb24gYWJvdXQgSXJtaW4gbWVyZ2UgY2FsbCBiYWNrIGZvciB1c2VyLWRlZmluZWQgY29u dGVudHMuIEl0IGFwcGVhcnMgdGhhdCBtZXJnZSBpcyBvbmx5IGNhbGxlZCBmb3IgdGhlIGNvbnRl bnQgdGhhdCB3YXMgY2hhbmdlZCBidXQgbm90IGFkZGVkIG9yIGRlbGV0ZWQuIElzIGl0IHBvc3Np YmxlIHRvIGhhdmUgaXQgY2FsbGVkIGZvciBhbGwgYWN0aW9ucz8KPj4+IAo+Pj4gSXQncyBzdXBw b3NlZCB0byBiZSBjYWxsZWQgZXZlbiB3aGVuIG9uZSBvZiB0aGUgdmVyc2lvbiBpcyBhZGRlZCBv ciBkZWxldGVkLiBJbiB0aGF0IGNhc2Ugb25lIG9mIHRoZSB2YWx1ZXMgd2lsbCBiZSBhIE5vbmUu IFRoYXQncyB3aHkgdGhlIG1lcmdlIGNhbGxiYWNrIFsxXSB0YWtlcyBhbiBvcHRpb24gdHlwZS4g Tm90aWNlIHRoYXQgeW91IHNob3VsZCBub3Qgbm9ybWFsbHkgaGF2ZSBOb25lIGZvciBhbGwgdGhl IDMgZWxlbWVudHMgb2YgdGhlIDMtd2F5IG1lcmdlLgo+Pj4gCj4+PiBCZXN0LAo+Pj4gVGhvbWFz Cj4+PiAKPj4+IFsxXSBodHRwOi8vbWlyYWdlLmdpdGh1Yi5pby9pcm1pbi9Jcm1pbi5Db250ZW50 cy5TLmh0bWwjVkFMbWVyZ2UKPj4+IAo+PiAKPiAKCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 22:52:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 22:52:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNU11-00025z-Ei; 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id fo1sm5451580wib.24.2015.08.06.15.51.54 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 15:51:55 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 6 Aug 2015 23:52:16 +0100 Message-Id: References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id fo1sm5451580wib.24.2015.08.06.15.51.54 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 15:51:55 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 6 Aug 2015 23:52:16 +0100 Message-Id: References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org 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Cg== From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 23:17:12 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 23:17:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNUPD-0003oB-RO; Thu, 06 Aug 2015 23:16:59 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNUPC-0003o6-Aq for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 23:16:58 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id A3/FA-05269-9EAE3C55; Thu, 06 Aug 2015 23:16:57 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1438903014!33169063!1 X-Originating-IP: [209.85.212.173] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10782 invoked from network); 6 Aug 2015 23:16:54 -0000 Received: from mail-wi0-f173.google.com (HELO mail-wi0-f173.google.com) (209.85.212.173) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 23:16:54 -0000 Received: by wibxm9 with SMTP id xm9so40915625wib.0 for ; Thu, 06 Aug 2015 16:16:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=xeRca0v3vQACQHEDOV4hfedWUQFEgEnS3jr+vL9gD0Y=; b=jV0jz44yOTMTWFSwKmEz0rl3nW5bFAi/EXCPNir9bDId6cod6Zz6hd8mCi6gDF3Uq6 vyWWCA1vz9QN+95wOhIK4bmYwBsIxWSsQi6cBttye52kWC9A5rm78vZdgJMhTrQHm24r +hKLOKub+fJnTnyoYKGCVwCBfmiEyhCgTD2sXrhXNZ/a+BkMBzIaQ/duc8PC1kJECLwn N+Uga4mf9gQFQYQc8SM2Cbx6k1+/7DTIABGKqebszIAaFO6tyaYADcS2t03haAeCmGah TRxsmtLJGiJGdEUm3NOt3dtH7ypZwrPXf8y0M3YEfnclWbuPhCdj1DObKuy89Ycg6zif 6qBQ== X-Received: by 10.180.78.98 with SMTP id a2mr749264wix.50.1438903014088; Thu, 06 Aug 2015 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id hn2sm11700509wjc.45.2015.08.06.16.16.52 for (version=TLS1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 16:16:52 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <1278FCF4-BA8E-4F5F-B7DC-3E0C867140D4@gazagnaire.org> Date: Fri, 7 Aug 2015 00:17:14 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] release 1.7.0 of ocaml-git X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've just release a new version of ocaml-git. It's quite a major patch: 120 commits, 65 changed files with 4,596 additions and 3,364 deletions. Few things worth noting: - the clone/fetch functions are now considered stable and well tested for the 3 supported protocols (git://, http(s):// and git+ssh://); they were experimental before this release, and use to break regularly. Now they come with extensive functional tests. Possible missing but useful features is support for the `multi-ack*`[1] capability. Especially the fetch function seems quasi-optimal in term of data exchanged over the network (at least it is similar to Git on the few examples I came up with). But this is hard to test a bit more systematically ... - the implementation is now abstracted over the SHA implementation. That's useful to switch to a pure OCaml implementation of SHA1 (extracted from uuidm) for the Mirage backend so that can be compiled to JavaScript but it can also be used to use a different SHA algorithm. The unix backend exposes a SHA256 (via nocrypto). This is completely untested though as I haven't found any Git server implementation using something different than SHA1. - the implementation is now abstracted over the compression algorithm. Git use zlib and the Unix backend exposes bindings to zlib (via camlzip). Other backends (such as the Javascript one) might choose a different compression function (such as the identity function). `git fetch` in the browser will still need to be able to inflate zlib-compressed packs, but that easy enough and pure OCaml implementation are already available (under LGPL[2] or BSD[3]). The full list of CHANGES is rather long and is available at the usual place[4]. I'll work now on integrating the small (but breaking) API changes into Irmin. Best, Thomas [1]: https://github.com/git/git/blob/master/Documentation/technical/protocol-capabilities.txt#L32 [2]: https://github.com/ygrek/ocaml-extlib/blob/master/src/unzip.ml [3]: http://www.elliottoti.com/code/zlib/zlib.ml.html [4]: https://github.com/samoht/ocaml-git/blob/master/CHANGES.md _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 06 23:17:12 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 06 Aug 2015 23:17:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNUPD-0003oB-RO; Thu, 06 Aug 2015 23:16:59 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNUPC-0003o6-Aq for mirageos-devel@lists.xenproject.org; Thu, 06 Aug 2015 23:16:58 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id A3/FA-05269-9EAE3C55; Thu, 06 Aug 2015 23:16:57 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1438903014!33169063!1 X-Originating-IP: [209.85.212.173] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10782 invoked from network); 6 Aug 2015 23:16:54 -0000 Received: from mail-wi0-f173.google.com (HELO mail-wi0-f173.google.com) (209.85.212.173) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Aug 2015 23:16:54 -0000 Received: by wibxm9 with SMTP id xm9so40915625wib.0 for ; Thu, 06 Aug 2015 16:16:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=xeRca0v3vQACQHEDOV4hfedWUQFEgEnS3jr+vL9gD0Y=; b=jV0jz44yOTMTWFSwKmEz0rl3nW5bFAi/EXCPNir9bDId6cod6Zz6hd8mCi6gDF3Uq6 vyWWCA1vz9QN+95wOhIK4bmYwBsIxWSsQi6cBttye52kWC9A5rm78vZdgJMhTrQHm24r +hKLOKub+fJnTnyoYKGCVwCBfmiEyhCgTD2sXrhXNZ/a+BkMBzIaQ/duc8PC1kJECLwn N+Uga4mf9gQFQYQc8SM2Cbx6k1+/7DTIABGKqebszIAaFO6tyaYADcS2t03haAeCmGah TRxsmtLJGiJGdEUm3NOt3dtH7ypZwrPXf8y0M3YEfnclWbuPhCdj1DObKuy89Ycg6zif 6qBQ== X-Received: by 10.180.78.98 with SMTP id a2mr749264wix.50.1438903014088; Thu, 06 Aug 2015 16:16:54 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id hn2sm11700509wjc.45.2015.08.06.16.16.52 for (version=TLS1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Aug 2015 16:16:52 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <1278FCF4-BA8E-4F5F-B7DC-3E0C867140D4@gazagnaire.org> Date: Fri, 7 Aug 2015 00:17:14 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] release 1.7.0 of ocaml-git X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've just release a new version of ocaml-git. It's quite a major patch: 120 commits, 65 changed files with 4,596 additions and 3,364 deletions. Few things worth noting: - the clone/fetch functions are now considered stable and well tested for the 3 supported protocols (git://, http(s):// and git+ssh://); they were experimental before this release, and use to break regularly. Now they come with extensive functional tests. Possible missing but useful features is support for the `multi-ack*`[1] capability. Especially the fetch function seems quasi-optimal in term of data exchanged over the network (at least it is similar to Git on the few examples I came up with). But this is hard to test a bit more systematically ... - the implementation is now abstracted over the SHA implementation. That's useful to switch to a pure OCaml implementation of SHA1 (extracted from uuidm) for the Mirage backend so that can be compiled to JavaScript but it can also be used to use a different SHA algorithm. The unix backend exposes a SHA256 (via nocrypto). This is completely untested though as I haven't found any Git server implementation using something different than SHA1. - the implementation is now abstracted over the compression algorithm. Git use zlib and the Unix backend exposes bindings to zlib (via camlzip). Other backends (such as the Javascript one) might choose a different compression function (such as the identity function). `git fetch` in the browser will still need to be able to inflate zlib-compressed packs, but that easy enough and pure OCaml implementation are already available (under LGPL[2] or BSD[3]). The full list of CHANGES is rather long and is available at the usual place[4]. I'll work now on integrating the small (but breaking) API changes into Irmin. Best, Thomas [1]: https://github.com/git/git/blob/master/Documentation/technical/protocol-capabilities.txt#L32 [2]: https://github.com/ygrek/ocaml-extlib/blob/master/src/unzip.ml [3]: http://www.elliottoti.com/code/zlib/zlib.ml.html [4]: https://github.com/samoht/ocaml-git/blob/master/CHANGES.md _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 07:34:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 07:34:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNcAP-0003Q2-Rr; Fri, 07 Aug 2015 07:34:13 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNcAO-0003Px-GJ for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 07:34:12 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 51/84-18886-37F54C55; Fri, 07 Aug 2015 07:34:11 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-8.tower-27.messagelabs.com!1438932851!38733140!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3357 invoked from network); 7 Aug 2015 07:34:11 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 07:34:11 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:58176) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNcAM-0003vS-YM (Exim 4.82_3-c0e5623) (return-path ); Fri, 07 Aug 2015 08:34:10 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: Date: Fri, 7 Aug 2015 08:34:15 +0100 Message-Id: <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org WW91IGFyZSByaWdodC4gSW4gdGhpcyBzY2VuYXJpbyB0aGVyZSBpcyBub3RoaW5nIHRvIHVwZGF0 ZS4gQnV0IGlmIHdlIGJvdGggbWFrZSBjaGFuZ2VzIHRoZW4gdGhlcmUgaXMuIEV2ZW4gaWYgd2Ug Ym90aCBqdXN0IGFkZCBmaWxlcyB0aGVuIHRoZSBzdGF0cyBuZWVkcyB0byBiZSB1cGRhdGVkLCBm b3IgaW5zdGFuY2UgdGhlIG1lc3NhZ2UgY291bnQuIFNvIGlmIEkgYWRkIG0xLCBtMiBhbmQgQm9i IGFkZHMgbTMsbTQgdGhlbiB0aGUgY291bnQgaW4gZWFjaCBkYXRhYmFzZSBpcyAyIGFuZCAyIGJ1 dCB0aGUgbWVyZ2VkIGNvdW50IGlzIDQuIFRoaXMgaXMgYW4gZWFzeSBjYXNlIGFuZCB0aGUgY291 bnQgY2FuIGJlIGRlcml2ZWQgZnJvbSB0aGUgdXBkYXRlZCBvYmplY3RzLCBzcGVjaWZpY2FsbHkg ZnJvbSB0aGUgaW5kZXgsIHdoaWNoIGlzIGEgbGlzdCBvZiBVSUQgdG8gdGhlIG1lc3NhZ2UgaGFz aCBtYXAuIEJ1dCBJIGhhdmUgdG8gc2VhcmNoIHRocm91Z2ggYWxsIG9mIHRoZSBpbmRleCB0byBm aWd1cmUgb3V0IHdoYXQgd2FzIGRlbGV0ZWQvYWRkZWQgc28gdGhlIHRpbWUgd2lsbCBpbmNyZWFz ZSBhcyB0aGUgbnVtYmVyIG9mIG1lc3NhZ2VzIGluY3JlYXNlcy4gQnV0IHRoZW4gdGhlcmUgaXMg b3RoZXIgc3RhdGlzdGljcyBsaWtlIHJlY2VudCBhbmQgdW5zZWVuIG1lc3NhZ2VzLCB0aGUgZmly 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biB0eXBlLiBOb3RpY2UgdGhhdCB5b3Ugc2hvdWxkIG5vdCBub3JtYWxseSBoYXZlIE5vbmUgZm9y IGFsbCB0aGUgMyBlbGVtZW50cyBvZiB0aGUgMy13YXkgbWVyZ2UuCj4+Pj4+IAo+Pj4+PiBCZXN0 LAo+Pj4+PiBUaG9tYXMKPj4+Pj4gCj4+Pj4+IFsxXSBodHRwOi8vbWlyYWdlLmdpdGh1Yi5pby9p cm1pbi9Jcm1pbi5Db250ZW50cy5TLmh0bWwjVkFMbWVyZ2UKPj4+Pj4gCj4+Pj4gCj4+PiAKPj4g Cj4gCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWly YWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8v bWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 07:34:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 07:34:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNcAP-0003Q2-Rr; Fri, 07 Aug 2015 07:34:13 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id di7sm7669916wib.23.2015.08.07.02.59.24 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 07 Aug 2015 02:59:25 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> Date: Fri, 7 Aug 2015 10:59:49 +0100 Message-Id: <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id di7sm7669916wib.23.2015.08.07.02.59.24 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 07 Aug 2015 02:59:25 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> Date: Fri, 7 Aug 2015 10:59:49 +0100 Message-Id: <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" 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with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 10:47:56 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:60513) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNfBr-0007pq-ka (Exim 4.82_3-c0e5623) (return-path ); Fri, 07 Aug 2015 11:47:55 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> Date: Fri, 7 Aug 2015 11:48:00 +0100 Message-Id: <0A88E702-5147-44F5-A4EA-C2EA88EF8183@cam.ac.uk> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org WWVzLCBpZiB0aGUgc2FtZSBvYmplY3QgaXMgY2hhbmdlZCB0aGVuIEkgZ2V0IHRoZSBjYWxsYmFj ay4gQnV0IHRoaXMgbWFrZXMgdGhlIHN0YXQgY2FsY3VsYXRpb24gZGlmZmljdWx0IGFuZCBkZXBl bmRlbnQgb24gdGhlIG51bWJlciBvZiBtZXNzYWdlcyBpbiB0aGUgbWFpbGJveC4KCkdyZWdvcnkK Cj4gT24gQXVnIDcsIDIwMTUsIGF0IDEwOjU5IEFNLCBUaG9tYXMgR2F6YWduYWlyZSA8dGhvbWFz QGdhemFnbmFpcmUub3JnPiB3cm90ZToKPiAKPj4gWW91IGFyZSByaWdodC4gSW4gdGhpcyBzY2Vu YXJpbyB0aGVyZSBpcyBub3RoaW5nIHRvIHVwZGF0ZS4gQnV0IGlmIHdlIGJvdGggbWFrZSBjaGFu 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Aug 2015 10:47:59 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNfBt-0003Z2-OZ for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 10:47:57 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id AC/E8-19125-DDC84C55; Fri, 07 Aug 2015 10:47:57 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-14.tower-206.messagelabs.com!1438944476!21046847!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14047 invoked from network); 7 Aug 2015 10:47:56 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-14.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 10:47:56 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:60513) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNfBr-0007pq-ka (Exim 4.82_3-c0e5623) (return-path ); Fri, 07 Aug 2015 11:47:55 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> Date: Fri, 7 Aug 2015 11:48:00 +0100 Message-Id: <0A88E702-5147-44F5-A4EA-C2EA88EF8183@cam.ac.uk> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org WWVzLCBpZiB0aGUgc2FtZSBvYmplY3QgaXMgY2hhbmdlZCB0aGVuIEkgZ2V0IHRoZSBjYWxsYmFj ay4gQnV0IHRoaXMgbWFrZXMgdGhlIHN0YXQgY2FsY3VsYXRpb24gZGlmZmljdWx0IGFuZCBkZXBl bmRlbnQgb24gdGhlIG51bWJlciBvZiBtZXNzYWdlcyBpbiB0aGUgbWFpbGJveC4KCkdyZWdvcnkK Cj4gT24gQXVnIDcsIDIwMTUsIGF0IDEwOjU5IEFNLCBUaG9tYXMgR2F6YWduYWlyZSA8dGhvbWFz QGdhemFnbmFpcmUub3JnPiB3cm90ZToKPiAKPj4gWW91IGFyZSByaWdodC4gSW4gdGhpcyBzY2Vu YXJpbyB0aGVyZSBpcyBub3RoaW5nIHRvIHVwZGF0ZS4gQnV0IGlmIHdlIGJvdGggbWFrZSBjaGFu Z2VzIHRoZW4gdGhlcmUgaXMuCj4gCj4gSW4gdGhhdCBjYXNlIHRoZSBtZXJnZSB3aWxsIG5vdCBi ZSBhIGZhc3QtZm9yd2FyZCBhbmQgdGhlIG1lcmdlIGNhbGxiYWNrIHNob3VsZCBiZSBjYWxsZWQu Cj4gCj4gVGhvbWEKPiAKPj4gRXZlbiBpZiB3ZSBib3RoIGp1c3QgYWRkIGZpbGVzIHRoZW4gdGhl 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PiBCZXN0LAo+Pj4+Pj4+IFRob21hcwo+Pj4+Pj4+IAo+Pj4+Pj4+IFsxXSBodHRwOi8vbWlyYWdl LmdpdGh1Yi5pby9pcm1pbi9Jcm1pbi5Db250ZW50cy5TLmh0bWwjVkFMbWVyZ2UKPj4+Pj4+PiAK Pj4+Pj4+IAo+Pj4+PiAKPj4+PiAKPj4+IAo+PiAKPiAKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWly YWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qu b3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 11:04:08 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 11:04:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNfRT-0005zG-4c; Fri, 07 Aug 2015 11:04:03 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNfRN-0005yo-OE for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 11:04:02 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 2E/44-06179-D9094C55; Fri, 07 Aug 2015 11:03:57 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-206.messagelabs.com!1438945436!26440899!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21086 invoked from network); 7 Aug 2015 11:03:56 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-8.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 11:03:56 -0000 Received: from dhcp-172-17-154-155.eduroam.wireless.private.cam.ac.uk (global-1-26.nat.csx.cam.ac.uk [131.111.184.26]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id f4e8c3d5; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 7 Aug 2015 12:05:21 +0100 (BST) From: Anil Madhavapeddy Date: Fri, 7 Aug 2015 12:03:57 +0100 Message-Id: To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, Christophe Troestler and Amir have been working on some infrastructure to make it easier to manage the growing number of distributed MirageOS repositories. These not only include the core libraries, but also the essential community-driven ones that aren't directly MirageOS-related but are still core (like Lwt, or Daniel Buenzli's many libraries, or Rump kernel), and then higher-level efforts like the TLS stack or the very new CCM-encrypted block storage [1]. So to drive these scripts, we need some metadata to get the list of repositories. We currently use the TROVE [2] file to keep track, but this is always a little incomplete, and doesn't distinguish between the sorts of repositories. My proposal is to maintain all of this metadata within OPAM. We already have a "org:mirage" tag for many of the repositories, and it's possible to query the "dev-repo" field to get the raw Git repository from there. What is missing is: - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. - Add additional tags to make it easier to filter these repositories. I'm open to what these should be, but something task-oriented is probably most useful. e.g. mirage-net2 for the reworked network stack, or mirage-irmin for any storage related activities). - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. [1] https://github.com/ocaml/opam-repository/pull/4625 [2] https://github.com/mirage/mirage-www/blob/master/TROVE thanks Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 11:04:08 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 11:04:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNfRT-0005zG-4c; Fri, 07 Aug 2015 11:04:03 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNfRN-0005yo-OE for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 11:04:02 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 2E/44-06179-D9094C55; Fri, 07 Aug 2015 11:03:57 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-206.messagelabs.com!1438945436!26440899!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21086 invoked from network); 7 Aug 2015 11:03:56 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-8.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 11:03:56 -0000 Received: from dhcp-172-17-154-155.eduroam.wireless.private.cam.ac.uk (global-1-26.nat.csx.cam.ac.uk [131.111.184.26]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id f4e8c3d5; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 7 Aug 2015 12:05:21 +0100 (BST) From: Anil Madhavapeddy Date: Fri, 7 Aug 2015 12:03:57 +0100 Message-Id: To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, Christophe Troestler and Amir have been working on some infrastructure to make it easier to manage the growing number of distributed MirageOS repositories. These not only include the core libraries, but also the essential community-driven ones that aren't directly MirageOS-related but are still core (like Lwt, or Daniel Buenzli's many libraries, or Rump kernel), and then higher-level efforts like the TLS stack or the very new CCM-encrypted block storage [1]. So to drive these scripts, we need some metadata to get the list of repositories. We currently use the TROVE [2] file to keep track, but this is always a little incomplete, and doesn't distinguish between the sorts of repositories. My proposal is to maintain all of this metadata within OPAM. We already have a "org:mirage" tag for many of the repositories, and it's possible to query the "dev-repo" field to get the raw Git repository from there. What is missing is: - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. - Add additional tags to make it easier to filter these repositories. I'm open to what these should be, but something task-oriented is probably most useful. e.g. mirage-net2 for the reworked network stack, or mirage-irmin for any storage related activities). - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. [1] https://github.com/ocaml/opam-repository/pull/4625 [2] https://github.com/mirage/mirage-www/blob/master/TROVE thanks Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 12:23:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 12:23:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNggA-0004Zv-6g; Fri, 07 Aug 2015 12:23:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNgg8-0004ZO-At for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 12:23:16 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id DC/F6-00536-333A4C55; Fri, 07 Aug 2015 12:23:15 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-15.tower-31.messagelabs.com!1438950194!33196114!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1045 invoked from network); 7 Aug 2015 12:23:14 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-15.tower-31.messagelabs.com with SMTP; 7 Aug 2015 12:23:14 -0000 Received: from [192.168.2.3] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id E16C9210EF37; Fri, 7 Aug 2015 12:23:13 +0000 (UTC) Date: Fri, 7 Aug 2015 13:23:18 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: In-Reply-To: References: X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgdmVuZHJlZGksIDcgYW/Du3QgMjAxNSDDoCAxMjowMywgQW5pbCBNYWRoYXZhcGVkZHkgYSDD qWNyaXQgOgo+IC0gQWRkIGFkZGl0aW9uYWwgdGFncyB0byBtYWtlIGl0IGVhc2llciB0byBmaWx0 ZXIgdGhlc2UgcmVwb3NpdG9yaWVzLiBJJ20gb3BlbiB0byB3aGF0IHRoZXNlIHNob3VsZCBiZSwg YnV0IHNvbWV0aGluZyB0YXNrLW9yaWVudGVkIGlzIHByb2JhYmx5IG1vc3QgdXNlZnVsLiBlLmcu IG1pcmFnZS1uZXQyIGZvciB0aGUgcmV3b3JrZWQgbmV0d29yayBzdGFjaywgb3IgbWlyYWdlLWly bWluIGZvciBhbnkgc3RvcmFnZSByZWxhdGVkIGFjdGl2aXRpZXMpLgoKVGhlIHRhZ3MgbWVjYW5p c20gaXMgY3VycmVudGx5IHVuZGVydXNlZCBieSBvcGFtIHVzZXJzIGFuZCB0aGUgc3lzdGVtIGlu IGdlbmVyYWwg4oCUIGUuZy4gSSB3b3VsZCB0byBiZSBhYmxlIHRvIGJlIGFibGUgdG8gYnJvd3Nl IGh0dHA6Ly9vcGFtLm9jYW1sLm9yZy9wYWNrYWdlcy8gYnkgdGFncy4gQWxzbyBgb3BhbSBsaXN0 YCBzaG91bGQgbWFrZSBpdCBlYXNpZXIgdG8gbGlzdCBhbGwgdGhlIHBhY2thZ2Ugd2l0aCBhIGdp dmVuIHRhZy4KCkhhdmluZyBhIGxpc3Qgb2YgYWxsIHRhZ3MgaW4gdGhlIHJlcG8gYXQgaHR0cDov L29wYW0ub2NhbWwub3JnL3BhY2thZ2VzL3RhZ3Mgd291bGQgYWxsb3cgYXV0aG9ycyB0byBjb29w ZXJhdGUgb24gZmluZGluZyBnb29kIGNvbW1vbiB0YWdzIHRvIGV2b2x2ZSB0aGUgb3BhbSBwYWNr YWdlIHRheG9ub215LiBvcGFtIGxpbnQgY291bGQgdGhlbiB3YXJuIGFib3V0IGVtcHR5IHRhZ3Mg ZmllbGRzIGFuZCByZWRpcmVjdCBhdXRob3JzIHRvIHRoYXQgcGFnZSB0byBhc2sgdGhlbSB0byB0 cnkgdG8gbGFiZWwgdGhlaXIgd29yayBhIGJpdCB3aGljaCB3b3VsZCBpbXByb3ZlIHRoZSBvdmVy YWxsIGxhYmVsbGluZy4KCkhvd2V2ZXIgaW5zdGVhZCBvZiAidGFzay1vcmllbnRlZCIgSSB3b3Vs ZCByYXRoZXIgc3VnZ2VzdCAidG9waWMtYmFzZWQiLCBlLmcuIGBuZXR3b3JraW5nYCwgYHRsc2As IGBkaGNwYCwgYHRjcGAsIGBzdG9yYWdlYCwgYWxvbmcgd2l0aCBhIGBtaXJhZ2VgIChub3Qgb3Jn Om1pcmFnZSkgdGFnIG9ubHkgaWYgaXQgaGFzIHNwZWNpZmljIHN1cHBvcnQgdG8gYmUgdXNlZCB3 aXRoIG1pcmFnZS4gSW4gZ2VuZXJhbCBJIHdvdWxkIHN0YXkgYXdheSBvZiBjb21wb3VuZCBgbWly YWdlLWJsYWAgdGFncywgYSB0YWcgc2hvdWxkIHN1cHBvcnQgYSBzaW5nbGUgY29uY2VwdC4KCk9u IG15IHNpZGUgbXkgcGFja2FnZXMgdXN1YWxseSBoYXZlIGF0IGxlYXN0IHRoZSBvcmc6ZXJyYXRp cXVlIHRhZyAoZm9yIG1haW50ZW5hbmNlIHJlYXNvbnMpIGFuZCBmb3IgY29kZWNzIEkgdHJ5IHRv IGFkZCBhdCBsZWFzdCB0aGUgbmFtZSBvZiB0aGUgc3RhbmRhcmQgdGhleSBpbXBsZW1lbnQgYW5k IHRoZSBgY29kZWNgIHRhZy4gIAoKQmVzdCwKCkRhbmllbAoKCgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0 Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9q ZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 12:23:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 12:23:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNggA-0004Zv-6g; 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[128.232.56.38]) by smtp.gmail.com with ESMTPSA id gj13sm8370270wic.22.2015.08.07.05.52.38 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 07 Aug 2015 05:52:38 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <0A88E702-5147-44F5-A4EA-C2EA88EF8183@cam.ac.uk> Date: Fri, 7 Aug 2015 13:53:04 +0100 Message-Id: <1DDDCDBE-5209-4316-B4FF-6FACE3793189@gazagnaire.org> References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> <0A88E702-5147-44F5-A4EA-C2EA88EF8183@cam.ac.uk> To: Gregory Tsipenyuk X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org PiBZZXMsIGlmIHRoZSBzYW1lIG9iamVjdCBpcyBjaGFuZ2VkIHRoZW4gSSBnZXQgdGhlIGNhbGxi YWNrLiBCdXQgdGhpcyBtYWtlcyB0aGUgc3RhdCBjYWxjdWxhdGlvbiBkaWZmaWN1bHQgYW5kIGRl cGVuZGVudCBvbiB0aGUgbnVtYmVyIG9mIG1lc3NhZ2VzIGluIHRoZSBtYWlsYm94LgoKSSdtIHN0 aWxsIHVuc3VyZSB0byB1bmRlcnN0YW5kIHlvdXIgcHJvYmxlbS4gRG8geW91IGhhdmUgYSBzbWFs bCByZXByb2R1Y2libGUgY29kZSB3aGljaCBleHBvc2VzIHlvdXIgcHJvYmxlbT8gSSdtIGtlZW4g dG8gZWl0aGVyIGZpeCB0aGUgZG9jdW1lbnRhdGlvbiBvciB0aGUgYnVnIGlmIGl0IGhhcHBlbnMg dG8gYmUgYSBhIHByb2JsZW0gaW4gSXJtaW4uCgpUaG9tYXMKCgoKCgo+IAo+IEdyZWdvcnkKPiAK Pj4gT24gQXVnIDcsIDIwMTUsIGF0IDEwOjU5IEFNLCBUaG9tYXMgR2F6YWduYWlyZSA8dGhvbWFz QGdhemFnbmFpcmUub3JnPiB3cm90ZToKPj4gCj4+PiBZb3UgYXJlIHJpZ2h0LiBJbiB0aGlzIHNj 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2015 13:21:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNhaO-00027N-6Z; Fri, 07 Aug 2015 13:21:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNhaM-00027D-NL for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 13:21:22 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id FB/B0-10715-2D0B4C55; Fri, 07 Aug 2015 13:21:22 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-12.tower-27.messagelabs.com!1438953680!38873991!1 X-Originating-IP: [131.111.8.141] X-SpamReason: No, hits=0.0 required=7.0 tests=Known-good attachment (tar.gz) X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9920 invoked from network); 7 Aug 2015 13:21:20 -0000 Received: from ppsw-41.csi.cam.ac.uk (HELO ppsw-41.csi.cam.ac.uk) (131.111.8.141) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 13:21:20 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:61652) by ppsw-41.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNhaJ-0000df-S4 (Exim 4.82_3-c0e5623) (return-path ); Fri, 07 Aug 2015 14:21:19 +0100 Content-Type: multipart/mixed; boundary="Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD" Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <1DDDCDBE-5209-4316-B4FF-6FACE3793189@gazagnaire.org> Date: Fri, 7 Aug 2015 14:21:24 +0100 Message-Id: References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> <0A88E702-5147-44F5-A4EA-C2EA88EF8183@cam.ac.uk> <1DDDCDBE-5209-4316-B4FF-6FACE3793189@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Sure, the tar contains sync.ml , ex1.sh, and two repo=E2=80=99s:repor = and repol. repor contains a,a1,a2 and repol contains a,a3,a4. =E2=80=98a=E2= =80=99 has been edited in both repo=E2=80=99s; a1,a2 added to repor = only; a3,a4 added to repol only. Unpack the archive and run ex1.sh. 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gkXB/wOg8xCYAOABAA== --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Thanks, Gregory > On Aug 7, 2015, at 1:53 PM, Thomas Gazagnaire = wrote: >=20 >> Yes, if the same object is changed then I get the callback. But this = makes the stat calculation difficult and dependent on the number of = messages in the mailbox. >=20 > I'm still unsure to understand your problem. Do you have a small = reproducible code which exposes your problem? I'm keen to either fix the = documentation or the bug if it happens to be a a problem in Irmin. >=20 > Thomas >=20 >=20 >=20 >=20 >=20 >>=20 >> Gregory >>=20 >>> On Aug 7, 2015, at 10:59 AM, Thomas Gazagnaire = wrote: >>>=20 >>>> You are right. In this scenario there is nothing to update. But if = we both make changes then there is. >>>=20 >>> In that case the merge will not be a fast-forward and the merge = callback should be called. >>>=20 >>> Thoma >>>=20 >>>> Even if we both just add files then the stats needs to be updated, = for instance the message count. So if I add m1, m2 and Bob adds m3,m4 = then the count in each database is 2 and 2 but the merged count is 4. = This is an easy case and the count can be derived from the updated = objects, specifically from the index, which is a list of UID to the = message hash map. But I have to search through all of the index to = figure out what was deleted/added so the time will increase as the = number of messages increases. But then there is other statistics like = recent and unseen messages, the first unseen message, and the next = message UID. Some of them are not easy to figure out. But if I get the = changes in the custom merge then figuring out this statistics is = straightforward and the performance doesn=E2=80=99t depend on the number = of messages in the mailbox. >>>>=20 >>>> Gregory >>>>=20 >>>>> On Aug 6, 2015, at 11:52 PM, Thomas Gazagnaire = wrote: >>>>>=20 >>>>>> I think it might be useful for setting different mailbox's merge = profiles. But it is definitely very helpful and easier in updating = mailbox=E2=80=99s overall statistics like message count, recent = messages, etc. I=E2=80=99m actually not sure if I can use the changed = objects only to derive this statistics. The change to the API seems = fairly small - it could be an optional argument to the merge that = indicates whether to use =E2=80=98fast-forward=E2=80=99 or not and set = to true by default. >>>>>=20 >>>>> But I'm not sure to understand why a non fast-foward merge means. >>>>>=20 >>>>> ie, let's say your database is in state x. The Bob forks it. Then = you do some operation, and you are in a state y. Then Bob wants to = merge. The merge callback will be called with old=3Dx, x and y. As Bob = didn't do any operation, the merge result is simply y. There is no stats = to update as Bob didn't do anything (otherwise it wouldn't have stayed = in state x). Do you have a concrete scenario where you still have to = update some stats even if Bob didn't do anything? >>>>>=20 >>>>> Thomas >>>>>=20 >>>>>=20 >>>>>>=20 >>>>>> Gregory >>>>>>=20 >>>>>>> On Aug 6, 2015, at 5:09 PM, Thomas Gazagnaire = wrote: >>>>>>>=20 >>>>>>>> As far as I can tell from the code, cases when lca=3Dt1 or = lca=3Dt2 are handled by the =E2=80=98default' method so the custom = defined merge is not called. >>>>>>>> But this was not always the case - in some revisions of = ir_merge.ml the =E2=80=98default=E2=80=99 ( in method biject=E2=80=99 ) = was not called first : >>>>>>>> Commits on Mar 4,Feb 6, Feb 2 2015 - call =E2=80=98default=E2=80=99= first >>>>>>>> Commits on Jan 27, Jan 26, Jan 12 2015 - don=E2=80=99t call = =E2=80=98default=E2=80=99 first >>>>>>>> Commits on Jan 11 2015, and older - call =E2=80=98default=E2=80=99= first >>>>>>>=20 >>>>>>> if the lca is the same as one of the 2 values then yes, we are = now doing a "fast-forward" merge ie. we pick the most recent version = (basically, that means that the other versions is late). Are you sure = that you want to do a merge in that case? >>>>>>>=20 >>>>>>> Thomas >>>>>>>=20 >>>>>>>=20 >>>>>>>=20 >>>>>>>>=20 >>>>>>>> So it changed back and forth. I am not sure what the intention = was but I think having the ability to custom-handle all cases is = preferred? >>>>>>>>=20 >>>>>>>> Thanks, >>>>>>>> Gregory >>>>>>>>=20 >>>>>>>>> On Aug 5, 2015, at 11:45 PM, Thomas Gazagnaire = wrote: >>>>>>>>>=20 >>>>>>>>>> I have a question about Irmin merge call back for = user-defined contents. It appears that merge is only called for the = content that was changed but not added or deleted. Is it possible to = have it called for all actions? >>>>>>>>>=20 >>>>>>>>> It's supposed to be called even when one of the version is = added or deleted. In that case one of the values will be a None. That's = why the merge callback [1] takes an option type. Notice that you should = not normally have None for all the 3 elements of the 3-way merge. >>>>>>>>>=20 >>>>>>>>> Best, >>>>>>>>> Thomas >>>>>>>>>=20 >>>>>>>>> [1] = http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge >>>>>>>>>=20 >>>>>>>>=20 >>>>>>>=20 >>>>>>=20 >>>>>=20 >>>>=20 >>>=20 >>=20 >=20 --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 13:21:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 13:21:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNhaO-00027N-6Z; Fri, 07 Aug 2015 13:21:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNhaM-00027D-NL for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 13:21:22 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id FB/B0-10715-2D0B4C55; Fri, 07 Aug 2015 13:21:22 +0000 X-Env-Sender: gt303@cam.ac.uk X-Msg-Ref: server-12.tower-27.messagelabs.com!1438953680!38873991!1 X-Originating-IP: [131.111.8.141] X-SpamReason: No, hits=0.0 required=7.0 tests=Known-good attachment (tar.gz) X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9920 invoked from network); 7 Aug 2015 13:21:20 -0000 Received: from ppsw-41.csi.cam.ac.uk (HELO ppsw-41.csi.cam.ac.uk) (131.111.8.141) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 13:21:20 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-130-255.eduroam.wireless.private.cam.ac.uk ([172.17.130.255]:61652) by ppsw-41.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:25) with esmtpsa (PLAIN:gt303) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZNhaJ-0000df-S4 (Exim 4.82_3-c0e5623) (return-path ); Fri, 07 Aug 2015 14:21:19 +0100 Content-Type: multipart/mixed; boundary="Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD" Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Gregory Tsipenyuk In-Reply-To: <1DDDCDBE-5209-4316-B4FF-6FACE3793189@gazagnaire.org> Date: Fri, 7 Aug 2015 14:21:24 +0100 Message-Id: References: <7ED52D96-94D1-46D5-A3E1-07A5503B56A9@gazagnaire.org> <72595C1C-0E76-4797-B831-F65A4BDCB3ED@cam.ac.uk> <071F333E-6084-4D1E-A4EE-9F764EA5D0AA@gazagnaire.org> <8CE64DE5-D9E1-4688-8FE9-C27083F6BDFB@cam.ac.uk> <21B9DB91-74BB-4FC3-AD72-8A2478694A6D@gazagnaire.org> <0A88E702-5147-44F5-A4EA-C2EA88EF8183@cam.ac.uk> <1DDDCDBE-5209-4316-B4FF-6FACE3793189@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin merge question X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Sure, the tar contains sync.ml , ex1.sh, and two repo=E2=80=99s:repor = and repol. repor contains a,a1,a2 and repol contains a,a3,a4. =E2=80=98a=E2= =80=99 has been edited in both repo=E2=80=99s; a1,a2 added to repor = only; a3,a4 added to repol only. Unpack the archive and run ex1.sh. The callback will be only called for =E2=80=98a=E2=80=99 and not for = a1,a2,a3,a4 --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Disposition: attachment; filename=repo.tar.gz Content-Type: application/x-gzip; name="repo.tar.gz" Content-Transfer-Encoding: base64 H4sIAAiwxFUAA+29C3wkVZkonhkVTS8iuqgIqx46YZIO/aiqfickQyYzMAMzDM4DFmcymXomRbqr mqrqScIMqMuKuFfAFUUWUVbBXV3lLuriit7dRUSRdUW9u+ILH8tF3L9/3fVxRcVV7/edc6q60t0z eZB0Bqjvx5Duynl853t/3zmn4ug1u5LpWlUQBKGYzxP6s1CgPwUpx35yIKKUL4iiVCwWBCKIUq4g dZH86qLFoO56sgOoTDr6pHeMdtDMMI7xe76O4OfTBBzK//Sk6a2eECyd/9mslI343wlg/JdXdQ6g RyGXOxb/s836XxALXURYVaw4PMv5L4uxtUYhgjUErv/Z1ZxjGfpfFMRI/zsBcjbS/2czcP3PreYc y9J/KdL/ToCci/T/2Qyh/E9xZEud0t0VTwSXnv/lRVGI8r9OQIj/Yzt37Ni2Z2LL5m17duw+bwXn WND+Sy38z0X2vzNQr2myp2tEJp5NomTwWQch/VdtyzAnV2GOhfRfEsUm/c/lhXyk/52Afart6OOx bpQD1/RsZ86wnarsHdId17QtMkyEWLdhVvSqrenwzXPqeqxbkR38YsgVF75V7Em5UnF0gxkTN2hm Tlowuiq7jZ41+G5XYS69bplqaMy1JsSzFEL6r+mu6pg1D9i+snMspP9ii/7n84XI/3cE9lqWXAX/ 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gkXB/wOg8xCYAOABAA== --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Thanks, Gregory > On Aug 7, 2015, at 1:53 PM, Thomas Gazagnaire = wrote: >=20 >> Yes, if the same object is changed then I get the callback. But this = makes the stat calculation difficult and dependent on the number of = messages in the mailbox. >=20 > I'm still unsure to understand your problem. Do you have a small = reproducible code which exposes your problem? I'm keen to either fix the = documentation or the bug if it happens to be a a problem in Irmin. >=20 > Thomas >=20 >=20 >=20 >=20 >=20 >>=20 >> Gregory >>=20 >>> On Aug 7, 2015, at 10:59 AM, Thomas Gazagnaire = wrote: >>>=20 >>>> You are right. In this scenario there is nothing to update. But if = we both make changes then there is. >>>=20 >>> In that case the merge will not be a fast-forward and the merge = callback should be called. >>>=20 >>> Thoma >>>=20 >>>> Even if we both just add files then the stats needs to be updated, = for instance the message count. So if I add m1, m2 and Bob adds m3,m4 = then the count in each database is 2 and 2 but the merged count is 4. = This is an easy case and the count can be derived from the updated = objects, specifically from the index, which is a list of UID to the = message hash map. But I have to search through all of the index to = figure out what was deleted/added so the time will increase as the = number of messages increases. But then there is other statistics like = recent and unseen messages, the first unseen message, and the next = message UID. Some of them are not easy to figure out. But if I get the = changes in the custom merge then figuring out this statistics is = straightforward and the performance doesn=E2=80=99t depend on the number = of messages in the mailbox. >>>>=20 >>>> Gregory >>>>=20 >>>>> On Aug 6, 2015, at 11:52 PM, Thomas Gazagnaire = wrote: >>>>>=20 >>>>>> I think it might be useful for setting different mailbox's merge = profiles. But it is definitely very helpful and easier in updating = mailbox=E2=80=99s overall statistics like message count, recent = messages, etc. I=E2=80=99m actually not sure if I can use the changed = objects only to derive this statistics. The change to the API seems = fairly small - it could be an optional argument to the merge that = indicates whether to use =E2=80=98fast-forward=E2=80=99 or not and set = to true by default. >>>>>=20 >>>>> But I'm not sure to understand why a non fast-foward merge means. >>>>>=20 >>>>> ie, let's say your database is in state x. The Bob forks it. Then = you do some operation, and you are in a state y. Then Bob wants to = merge. The merge callback will be called with old=3Dx, x and y. As Bob = didn't do any operation, the merge result is simply y. There is no stats = to update as Bob didn't do anything (otherwise it wouldn't have stayed = in state x). Do you have a concrete scenario where you still have to = update some stats even if Bob didn't do anything? >>>>>=20 >>>>> Thomas >>>>>=20 >>>>>=20 >>>>>>=20 >>>>>> Gregory >>>>>>=20 >>>>>>> On Aug 6, 2015, at 5:09 PM, Thomas Gazagnaire = wrote: >>>>>>>=20 >>>>>>>> As far as I can tell from the code, cases when lca=3Dt1 or = lca=3Dt2 are handled by the =E2=80=98default' method so the custom = defined merge is not called. >>>>>>>> But this was not always the case - in some revisions of = ir_merge.ml the =E2=80=98default=E2=80=99 ( in method biject=E2=80=99 ) = was not called first : >>>>>>>> Commits on Mar 4,Feb 6, Feb 2 2015 - call =E2=80=98default=E2=80=99= first >>>>>>>> Commits on Jan 27, Jan 26, Jan 12 2015 - don=E2=80=99t call = =E2=80=98default=E2=80=99 first >>>>>>>> Commits on Jan 11 2015, and older - call =E2=80=98default=E2=80=99= first >>>>>>>=20 >>>>>>> if the lca is the same as one of the 2 values then yes, we are = now doing a "fast-forward" merge ie. we pick the most recent version = (basically, that means that the other versions is late). Are you sure = that you want to do a merge in that case? >>>>>>>=20 >>>>>>> Thomas >>>>>>>=20 >>>>>>>=20 >>>>>>>=20 >>>>>>>>=20 >>>>>>>> So it changed back and forth. I am not sure what the intention = was but I think having the ability to custom-handle all cases is = preferred? >>>>>>>>=20 >>>>>>>> Thanks, >>>>>>>> Gregory >>>>>>>>=20 >>>>>>>>> On Aug 5, 2015, at 11:45 PM, Thomas Gazagnaire = wrote: >>>>>>>>>=20 >>>>>>>>>> I have a question about Irmin merge call back for = user-defined contents. It appears that merge is only called for the = content that was changed but not added or deleted. Is it possible to = have it called for all actions? >>>>>>>>>=20 >>>>>>>>> It's supposed to be called even when one of the version is = added or deleted. In that case one of the values will be a None. That's = why the merge callback [1] takes an option type. Notice that you should = not normally have None for all the 3 elements of the 3-way merge. >>>>>>>>>=20 >>>>>>>>> Best, >>>>>>>>> Thomas >>>>>>>>>=20 >>>>>>>>> [1] = http://mirage.github.io/irmin/Irmin.Contents.S.html#VALmerge >>>>>>>>>=20 >>>>>>>>=20 >>>>>>>=20 >>>>>>=20 >>>>>=20 >>>>=20 >>>=20 >>=20 >=20 --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_65A33E67-6066-40FA-8D7C-4BAD9FDEBDCD-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 17:01:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 17:01:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNl0q-0002Ef-C1; Fri, 07 Aug 2015 17:00:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNl0o-0002EB-Ty for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 17:00:55 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id 81/23-25435-644E4C55; Fri, 07 Aug 2015 17:00:54 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1438966853!38851276!1 X-Originating-IP: [209.85.212.175] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32526 invoked from network); 7 Aug 2015 17:00:53 -0000 Received: from mail-wi0-f175.google.com (HELO mail-wi0-f175.google.com) (209.85.212.175) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 7 Aug 2015 17:00:53 -0000 Received: by wicne3 with SMTP id ne3so67287605wic.1 for ; Fri, 07 Aug 2015 10:00:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=In5wbzGgXLvZgiGGq/3DcgcGpdTrG/bceSIlcRgQai0=; b=Xw5ltDIWyC+jB/VfWJoATcIOzaUN+RCL46tjHsSThp5fIi0SAGyTvvK7jc9TToi8Qo /Nk12tqm1g+tbSQ++g/h+e5EGaiYNE6tTEJj2v6MgT7vrDUdhtNVegdZnqT3rq/oqvqs el/3os0x50TEBB7manIVk7U/kx/4og+QpGOZtjWft9vByefjbbSSz3fftQrBPUhhjjZO XFqEqOrQkFhepH4Q0zyzbbiaalYHoHZVzLNwjxzw+J+RFpasFeY4sYn5OHunPFF7uUam Khkyz9iCRPQU9Oh1zq24g+YeeoBK6995tjnD6yVSCK09VSKB7JcZ+ks92FmDFA5HMMpg YnvA== MIME-Version: 1.0 X-Received: by 10.181.12.20 with SMTP id em20mr8443122wid.28.1438966853296; Fri, 07 Aug 2015 10:00:53 -0700 (PDT) Received: by 10.194.81.99 with HTTP; Fri, 7 Aug 2015 10:00:53 -0700 (PDT) Date: Fri, 7 Aug 2015 13:00:53 -0400 X-Google-Sender-Auth: soDtHMromBR4zswFqYTJR7QCaAU Message-ID: From: Russ Pavlicek To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Unikernel Users Summit at Texas Linux Fest on Aug 21 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Docker and containers have gotten a lot of attention lately for their small size and easy deployment. But Unikernels offer even smaller sizes and huge advances in security! In the next generation of cloud, these are critical assets, so it is no wonder that Unikernels are beginning to draw serious interest. In this event held at Texas Linux Fest, we will first discuss why Unikernels are important for the future of our industry, and then developers and users of various Unikernel systems will talk about the details of using various Unikernels. This event is focused on users with little or no experience with Unikernels, so all are welcome to attend! Presentations will include HowTos for using OSv, Rump Kernels, MirageOS, and more. Xen Project is organizing the event because we seek to develop innovative technologies for virtualization and cloud. Many of these Unikernel systems have leveraged the Xen Project Hypervisor because we enable these small, secure workloads which will be needed in the next generation cloud, Internet of Things (IoT), and other new forms of computing. Join us at Texas Linux Fest during their Tutorial Day as we talk about using Unikernels! https://2015.texaslinuxfest.org/content/unikernel-summit Russ _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 17:01:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 17:01:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNl0q-0002Ef-C1; Fri, 07 Aug 2015 17:00:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNl0o-0002EB-Ty for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 17:00:55 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id 81/23-25435-644E4C55; Fri, 07 Aug 2015 17:00:54 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1438966853!38851276!1 X-Originating-IP: [209.85.212.175] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32526 invoked from network); 7 Aug 2015 17:00:53 -0000 Received: from mail-wi0-f175.google.com (HELO mail-wi0-f175.google.com) (209.85.212.175) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 7 Aug 2015 17:00:53 -0000 Received: by wicne3 with SMTP id ne3so67287605wic.1 for ; Fri, 07 Aug 2015 10:00:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=In5wbzGgXLvZgiGGq/3DcgcGpdTrG/bceSIlcRgQai0=; b=Xw5ltDIWyC+jB/VfWJoATcIOzaUN+RCL46tjHsSThp5fIi0SAGyTvvK7jc9TToi8Qo /Nk12tqm1g+tbSQ++g/h+e5EGaiYNE6tTEJj2v6MgT7vrDUdhtNVegdZnqT3rq/oqvqs el/3os0x50TEBB7manIVk7U/kx/4og+QpGOZtjWft9vByefjbbSSz3fftQrBPUhhjjZO XFqEqOrQkFhepH4Q0zyzbbiaalYHoHZVzLNwjxzw+J+RFpasFeY4sYn5OHunPFF7uUam Khkyz9iCRPQU9Oh1zq24g+YeeoBK6995tjnD6yVSCK09VSKB7JcZ+ks92FmDFA5HMMpg YnvA== MIME-Version: 1.0 X-Received: by 10.181.12.20 with SMTP id em20mr8443122wid.28.1438966853296; Fri, 07 Aug 2015 10:00:53 -0700 (PDT) Received: by 10.194.81.99 with HTTP; Fri, 7 Aug 2015 10:00:53 -0700 (PDT) Date: Fri, 7 Aug 2015 13:00:53 -0400 X-Google-Sender-Auth: soDtHMromBR4zswFqYTJR7QCaAU Message-ID: From: Russ Pavlicek To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Unikernel Users Summit at Texas Linux Fest on Aug 21 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Docker and containers have gotten a lot of attention lately for their small size and easy deployment. But Unikernels offer even smaller sizes and huge advances in security! In the next generation of cloud, these are critical assets, so it is no wonder that Unikernels are beginning to draw serious interest. In this event held at Texas Linux Fest, we will first discuss why Unikernels are important for the future of our industry, and then developers and users of various Unikernel systems will talk about the details of using various Unikernels. This event is focused on users with little or no experience with Unikernels, so all are welcome to attend! Presentations will include HowTos for using OSv, Rump Kernels, MirageOS, and more. Xen Project is organizing the event because we seek to develop innovative technologies for virtualization and cloud. Many of these Unikernel systems have leveraged the Xen Project Hypervisor because we enable these small, secure workloads which will be needed in the next generation cloud, Internet of Things (IoT), and other new forms of computing. Join us at Texas Linux Fest during their Tutorial Day as we talk about using Unikernels! https://2015.texaslinuxfest.org/content/unikernel-summit Russ _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 17:08:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 17:08:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNl8L-0003HE-35; Fri, 07 Aug 2015 17:08:41 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNl8J-0003Gi-Pb for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 17:08:39 +0000 Received: from [85.158.139.211] by server-17.bemta-5.messagelabs.com id 09/2D-02380-716E4C55; Fri, 07 Aug 2015 17:08:39 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-206.messagelabs.com!1438967318!10815649!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32616 invoked from network); 7 Aug 2015 17:08:38 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-15.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Aug 2015 17:08:38 -0000 Received: from [192.168.0.31] (91.84.189.80.dyn.plus.net [80.189.84.91]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 503f46cf; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 7 Aug 2015 18:08:37 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 7 Aug 2015 18:08:40 +0100 Message-Id: <2D34D80E-8282-410B-BEC0-ACFDC7CF3EE0@recoil.org> References: To: =?utf-8?Q?Daniel_B=C3=BCnzli?= X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gNyBBdWcgMjAxNSwgYXQgMTM6MjMsIERhbmllbCBCw7xuemxpIDxkYW5pZWwuYnVlbnpsaUBl cnJhdGlxdWUuY2g+IHdyb3RlOgo+IAo+IExlIHZlbmRyZWRpLCA3IGFvw7t0IDIwMTUgw6AgMTI6 MDMsIEFuaWwgTWFkaGF2YXBlZGR5IGEgw6ljcml0IDoKPj4gLSBBZGQgYWRkaXRpb25hbCB0YWdz IHRvIG1ha2UgaXQgZWFzaWVyIHRvIGZpbHRlciB0aGVzZSByZXBvc2l0b3JpZXMuIEknbSBvcGVu IHRvIHdoYXQgdGhlc2Ugc2hvdWxkIGJlLCBidXQgc29tZXRoaW5nIHRhc2stb3JpZW50ZWQgaXMg cHJvYmFibHkgbW9zdCB1c2VmdWwuIGUuZy4gbWlyYWdlLW5ldDIgZm9yIHRoZSByZXdvcmtlZCBu 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mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gNyBBdWcgMjAxNSwgYXQgMTM6MjMsIERhbmllbCBCw7xuemxpIDxkYW5pZWwuYnVlbnpsaUBl cnJhdGlxdWUuY2g+IHdyb3RlOgo+IAo+IExlIHZlbmRyZWRpLCA3IGFvw7t0IDIwMTUgw6AgMTI6 MDMsIEFuaWwgTWFkaGF2YXBlZGR5IGEgw6ljcml0IDoKPj4gLSBBZGQgYWRkaXRpb25hbCB0YWdz IHRvIG1ha2UgaXQgZWFzaWVyIHRvIGZpbHRlciB0aGVzZSByZXBvc2l0b3JpZXMuIEknbSBvcGVu IHRvIHdoYXQgdGhlc2Ugc2hvdWxkIGJlLCBidXQgc29tZXRoaW5nIHRhc2stb3JpZW50ZWQgaXMg cHJvYmFibHkgbW9zdCB1c2VmdWwuIGUuZy4gbWlyYWdlLW5ldDIgZm9yIHRoZSByZXdvcmtlZCBu ZXR3b3JrIHN0YWNrLCBvciBtaXJhZ2UtaXJtaW4gZm9yIGFueSBzdG9yYWdlIHJlbGF0ZWQgYWN0 aXZpdGllcykuCj4gCj4gVGhlIHRhZ3MgbWVjYW5pc20gaXMgY3VycmVudGx5IHVuZGVydXNlZCBi eSBvcGFtIHVzZXJzIGFuZCB0aGUgc3lzdGVtIGluIGdlbmVyYWwg4oCUIGUuZy4gSSB3b3VsZCB0 byBiZSBhYmxlIHRvIGJlIGFibGUgdG8gYnJvd3NlIGh0dHA6Ly9vcGFtLm9jYW1sLm9yZy9wYWNr YWdlcy8gYnkgdGFncy4gQWxzbyBgb3BhbSBsaXN0YCBzaG91bGQgbWFrZSBpdCBlYXNpZXIgdG8g 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1ZNlNo-0006Cw-Hc for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 17:24:40 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id EB/F1-19125-7D9E4C55; Fri, 07 Aug 2015 17:24:39 +0000 X-Env-Sender: prvs=654f6f9eb=Dave.Scott@citrix.com X-Msg-Ref: server-3.tower-206.messagelabs.com!1438968279!18949987!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2274 invoked from network); 7 Aug 2015 17:24:39 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-3.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 7 Aug 2015 17:24:39 -0000 X-IronPort-AV: E=Sophos;i="5.15,630,1432598400"; d="scan'208";a="1871250" From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] Updating TROVE or maintaining a remote Thread-Index: AQHQ0QDJ2sfu5MF240iBHNjyS7T03p4AqFQA Date: Fri, 7 Aug 2015 17:24:37 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: <606C04BF84B1B846AB872943B9B38113@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org DQo+IE9uIDcgQXVnIDIwMTUsIGF0IDEyOjAzLCBBbmlsIE1hZGhhdmFwZWRkeSA8YW5pbEByZWNv aWwub3JnPiB3cm90ZToNCj4gDQo+IEhpIGFsbCwNCj4gDQo+IENocmlzdG9waGUgVHJvZXN0bGVy IGFuZCBBbWlyIGhhdmUgYmVlbiB3b3JraW5nIG9uIHNvbWUgaW5mcmFzdHJ1Y3R1cmUgdG8gbWFr 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eGVucHJvamVjdC5vcmcNCj4gaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFp bG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbA0KDQpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Aug 07 17:24:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 07 Aug 2015 17:24:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNlNq-0006DE-34; Fri, 07 Aug 2015 17:24:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZNlNo-0006Cw-Hc for mirageos-devel@lists.xenproject.org; Fri, 07 Aug 2015 17:24:40 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id EB/F1-19125-7D9E4C55; Fri, 07 Aug 2015 17:24:39 +0000 X-Env-Sender: prvs=654f6f9eb=Dave.Scott@citrix.com X-Msg-Ref: server-3.tower-206.messagelabs.com!1438968279!18949987!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2274 invoked from network); 7 Aug 2015 17:24:39 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-3.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 7 Aug 2015 17:24:39 -0000 X-IronPort-AV: E=Sophos;i="5.15,630,1432598400"; d="scan'208";a="1871250" From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] Updating TROVE or maintaining a remote Thread-Index: AQHQ0QDJ2sfu5MF240iBHNjyS7T03p4AqFQA Date: Fri, 7 Aug 2015 17:24:37 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: <606C04BF84B1B846AB872943B9B38113@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org DQo+IE9uIDcgQXVnIDIwMTUsIGF0IDEyOjAzLCBBbmlsIE1hZGhhdmFwZWRkeSA8YW5pbEByZWNv aWwub3JnPiB3cm90ZToNCj4gDQo+IEhpIGFsbCwNCj4gDQo+IENocmlzdG9waGUgVHJvZXN0bGVy IGFuZCBBbWlyIGhhdmUgYmVlbiB3b3JraW5nIG9uIHNvbWUgaW5mcmFzdHJ1Y3R1cmUgdG8gbWFr ZSBpdCBlYXNpZXIgdG8gbWFuYWdlIHRoZSBncm93aW5nIG51bWJlciBvZiBkaXN0cmlidXRlZCBN aXJhZ2VPUyByZXBvc2l0b3JpZXMuICBUaGVzZSBub3Qgb25seSBpbmNsdWRlIHRoZSBjb3JlIGxp 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X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Aug 08 11:55:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 08 Aug 2015 11:55:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO2it-0004ce-RL; Sat, 08 Aug 2015 11:55:35 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO2is-0004cZ-IN for mirageos-devel@lists.xenproject.org; Sat, 08 Aug 2015 11:55:34 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id 74/1A-10715-53EE5C55; Sat, 08 Aug 2015 11:55:33 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: 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X-Originating-IP: 81.134.29.229 Received: from [192.168.1.117] (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]) (Authenticated sender: guybrush@somerandomidiot.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 6A02DC5A37 for ; Sat, 8 Aug 2015 13:55:30 +0200 (CEST) Message-ID: <55C5ED9E.8010405@somerandomidiot.com> Date: Sat, 08 Aug 2015 12:53:02 +0100 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: In-Reply-To: Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: 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Cc: David Scott , "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] github xen git mirror X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gNCBBdWd1c3QgMjAxNSBhdCAxNDoxNCwgTHVrZSBEdW5zdGFuIDxsdWtlZHVuc3RhbjgxQGdt YWlsLmNvbT4gd3JvdGU6Cj4KPgo+IE9uIE1vbiwgMyBBdWcgMjAxNSBhdCAyMToyNyBUaG9tYXMg TGVvbmFyZCA8dGFsZXg1QGdtYWlsLmNvbT4gd3JvdGU6Cj4+Cj4+IE9uIDMwIEp1bHkgMjAxNSBh dCAxNjoxNiwgQW5pbCBNYWRoYXZhcGVkZHkgPGFuaWxAcmVjb2lsLm9yZz4gd3JvdGU6Cj4+ID4K Pj4gPiBPbiAzMCBKdWwgMjAxNSwgYXQgMTY6MTMsIEx1a2UgRHVuc3RhbiA8bHVrZWR1bnN0YW44 MUBnbWFpbC5jb20+IHdyb3RlOgo+PiA+Cj4+ID4KPj4gPiBPbiB0aGUgbm9ybWFsIFRydXN0eSBj 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TWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2pl Y3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGlu Zm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Aug 08 12:13:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 08 Aug 2015 12:13:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO2zi-00065S-Ou; Sat, 08 Aug 2015 12:12:58 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO2zh-00065N-PP for mirageos-devel@lists.xenproject.org; Sat, 08 Aug 2015 12:12:57 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 54/0A-30270-942F5C55; Sat, 08 Aug 2015 12:12:57 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1439035975!26639529!1 X-Originating-IP: [209.85.213.47] 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[MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gOCBBdWd1c3QgMjAxNSBhdCAxMjo1MywgTWluZHkgPG1pbmR5QHNvbWVyYW5kb21pZGlvdC5j b20+IHdyb3RlOgpbLi4uXQo+Pj4gLSBCdWlsZCBhIGRhc2hib2FyZCB2aWV3IG9mIGlzc3Vlcywg Y29tbWl0cyBhbmQgc28gb24gZnJvbSB0aGUKPj4+IGFnZ3JlZ2F0aW9uIG9mIHRoaXMuIENocmlz dG9waGUgaXMgY3VycmVudGx5IHdvcmtpbmcgb24gdGhpcywgYW5kIEknbSBrZWVuCj4+PiB0byBh ZGQgaXNzdWUgdHJhY2tpbmcgdG8gbWFrZSByZWxlYXNlcyBhbmQgc3RhbmRhcmRpc2VkIGxhYmVs bGluZyBvZiBpc3N1ZXMKPj4+IGluIEdpdEh1YiBlYXNpZXIuICBPbmNlIERhdmlkIFNoZWV0cyBm aW5pc2hlcyB1cCB0aGUgbmV4dCBpdGVyYXRpb24gb2YKPj4+IENvZG9jLCB3ZSBjYW4gYWxzbyBn 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X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgdmVuZHJlZGksIDcgYW/Du3QgMjAxNSDDoCAxODowOCwgQW5pbCBNYWRoYXZhcGVkZHkgYSDD qWNyaXQgOgo+IC0gb3JnOm1pcmFnZSAtLSB0aGlzIGlzIGEgcGFja2FnZSBtYWludGFpbmVkIGJ5 IHRoZSBNaXJhZ2VPUyB0ZWFtLiBUaGUgbWlyYWdlLXRjcGlwIHN0YWNrIHdvdWxkIGhhdmUgdGhp cyB0YWcuCj4gLSBtaXJhZ2UgLS0gdGhpcyBpcyBhIHBhY2thZ2UgdGhhdCBpcyBwYXJ0IG9mIHRo ZSBNaXJhZ2VPUyBlY29zeXN0ZW0uIEx3dCBmb3IgZXhhbXBsZSBjb3VsZCBoYXZlIHRoaXMgdGFn Lgo+IC0gbmV0d29ya2luZyAtLSB0aGlzIGlzIGEgbmV0d29ya2luZy1yZWxhdGVkIHBhY2thZ2Uu IFNvbWV0aGluZyBub24tTWlyYWdlIHJlbGF0ZWQgY291bGQgYWxzbyB1c2UgaXQuCgpZZXMgdGhp cyBpcyBleGFjdGx5IHRoZSBpZGVhLiAgCgpEYW5pZWwKCgoKX19fX19fX19fX19fX19fX19fX19f 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1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgdmVuZHJlZGksIDcgYW/Du3QgMjAxNSDDoCAxODowOCwgQW5pbCBNYWRoYXZhcGVkZHkgYSDD qWNyaXQgOgo+IC0gb3JnOm1pcmFnZSAtLSB0aGlzIGlzIGEgcGFja2FnZSBtYWludGFpbmVkIGJ5 IHRoZSBNaXJhZ2VPUyB0ZWFtLiBUaGUgbWlyYWdlLXRjcGlwIHN0YWNrIHdvdWxkIGhhdmUgdGhp cyB0YWcuCj4gLSBtaXJhZ2UgLS0gdGhpcyBpcyBhIHBhY2thZ2UgdGhhdCBpcyBwYXJ0IG9mIHRo ZSBNaXJhZ2VPUyBlY29zeXN0ZW0uIEx3dCBmb3IgZXhhbXBsZSBjb3VsZCBoYXZlIHRoaXMgdGFn Lgo+IC0gbmV0d29ya2luZyAtLSB0aGlzIGlzIGEgbmV0d29ya2luZy1yZWxhdGVkIHBhY2thZ2Uu IFNvbWV0aGluZyBub24tTWlyYWdlIHJlbGF0ZWQgY291bGQgYWxzbyB1c2UgaXQuCgpZZXMgdGhp cyBpcyBleGFjdGx5IHRoZSBpZGVhLiAgCgpEYW5pZWwKCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Aug 08 14:23:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 08 Aug 2015 14:23:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO51t-0006V3-4W; Sat, 08 Aug 2015 14:23:21 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO51r-0006Uy-H0 for mirageos-devel@lists.xenproject.org; Sat, 08 Aug 2015 14:23:19 +0000 Received: from [193.109.254.147] by server-12.bemta-14.messagelabs.com id DA/3C-18744-6D016C55; Sat, 08 Aug 2015 14:23:18 +0000 X-Env-Sender: kosmo.zb@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1439043797!39065857!1 X-Originating-IP: [209.85.160.169] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9769 invoked from network); 8 Aug 2015 14:23:17 -0000 Received: from mail-yk0-f169.google.com (HELO mail-yk0-f169.google.com) (209.85.160.169) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 8 Aug 2015 14:23:17 -0000 Received: by ykeo23 with SMTP id o23so108960529yke.3 for ; Sat, 08 Aug 2015 07:23:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=squC5bB6cgr8sro0s52mX1O8qne0SI65/p6TMUpiU2k=; b=x2eCLMD1Q61Zca9pUDUg1iZiIOzoUjkHLcSBc3DPSZ6zQBKolJC5WfANU2nJ6ZOSeJ YjpXim0PMKNlrqXszVTUQTvvXpj9qAdhziOAGa8hNiZFbXHOf1Ji8V8Dl9CcyR3FTiey KLxIH2W2Loc4e678S9ixRzN4ZXDQUq6dzBfTFvVMRHL96nazz4Cg/ZTCYt8Nq7cyS1Yx tYN8oVp4Cqor6WCIPvBOKA2sU1Ru74l8uN2WwbHiZkYIaHRHlZ5lGB1MdsC7AD4Zwx+N ziVIp6NmJRIYdTYVEprocXo0wDYAjqw8DTcrRJeIz1duKOPxMrpV4aNDoJw2AFIVjHxJ st0g== MIME-Version: 1.0 X-Received: by 10.129.116.134 with SMTP id p128mr13066728ywc.1.1439043796901; Sat, 08 Aug 2015 07:23:16 -0700 (PDT) Received: by 10.13.236.84 with HTTP; Sat, 8 Aug 2015 07:23:16 -0700 (PDT) In-Reply-To: References: Date: Sat, 8 Aug 2015 15:23:16 +0100 X-Google-Sender-Auth: CRFI9l8JV_AuY2mZTsKRs822-_I Message-ID: From: David Sheets To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Fri, Aug 7, 2015 at 12:03 PM, Anil Madhavapeddy wrote: > Hi all, > > Christophe Troestler and Amir have been working on some infrastructure to make it easier to manage the growing number of distributed MirageOS repositories. These not only include the core libraries, but also the essential community-driven ones that aren't directly MirageOS-related but are still core (like Lwt, or Daniel Buenzli's many libraries, or Rump kernel), and then higher-level efforts like the TLS stack or the very new CCM-encrypted block storage [1]. > > So to drive these scripts, we need some metadata to get the list of repositories. We currently use the TROVE [2] file to keep track, but this is always a little incomplete, and doesn't distinguish between the sorts of repositories. > > My proposal is to maintain all of this metadata within OPAM. We already have a "org:mirage" tag for many of the repositories, and it's possible to query the "dev-repo" field to get the raw Git repository from there. What is missing is: > > - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. > > - Add additional tags to make it easier to filter these repositories. I'm open to what these should be, but something task-oriented is probably most useful. e.g. mirage-net2 for the reworked network stack, or mirage-irmin for any storage related activities). > > - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. This is a great idea and sounds basically like an enhanced opam2web static site generator with extensive GitHub integration and broader use as a tool beyond the bespoke application of the current project. Something like this has been planned for a while but I'm happy to see work progress on it. I'd like to see an automatically generated list of 'lagging' packages that only work with versions of dependencies that are not the newest. This would probably need to be integrated into test results in order to cross-check the explicit version constraints. > Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. > > [1] https://github.com/ocaml/opam-repository/pull/4625 > [2] https://github.com/mirage/mirage-www/blob/master/TROVE > > thanks > Anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 08 14:23:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 08 Aug 2015 14:23:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO51t-0006V3-4W; Sat, 08 Aug 2015 14:23:21 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZO51r-0006Uy-H0 for mirageos-devel@lists.xenproject.org; Sat, 08 Aug 2015 14:23:19 +0000 Received: from [193.109.254.147] by server-12.bemta-14.messagelabs.com id DA/3C-18744-6D016C55; Sat, 08 Aug 2015 14:23:18 +0000 X-Env-Sender: kosmo.zb@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1439043797!39065857!1 X-Originating-IP: [209.85.160.169] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9769 invoked from network); 8 Aug 2015 14:23:17 -0000 Received: from mail-yk0-f169.google.com (HELO mail-yk0-f169.google.com) (209.85.160.169) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 8 Aug 2015 14:23:17 -0000 Received: by ykeo23 with SMTP id o23so108960529yke.3 for ; Sat, 08 Aug 2015 07:23:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=squC5bB6cgr8sro0s52mX1O8qne0SI65/p6TMUpiU2k=; b=x2eCLMD1Q61Zca9pUDUg1iZiIOzoUjkHLcSBc3DPSZ6zQBKolJC5WfANU2nJ6ZOSeJ YjpXim0PMKNlrqXszVTUQTvvXpj9qAdhziOAGa8hNiZFbXHOf1Ji8V8Dl9CcyR3FTiey KLxIH2W2Loc4e678S9ixRzN4ZXDQUq6dzBfTFvVMRHL96nazz4Cg/ZTCYt8Nq7cyS1Yx tYN8oVp4Cqor6WCIPvBOKA2sU1Ru74l8uN2WwbHiZkYIaHRHlZ5lGB1MdsC7AD4Zwx+N ziVIp6NmJRIYdTYVEprocXo0wDYAjqw8DTcrRJeIz1duKOPxMrpV4aNDoJw2AFIVjHxJ st0g== MIME-Version: 1.0 X-Received: by 10.129.116.134 with SMTP id p128mr13066728ywc.1.1439043796901; Sat, 08 Aug 2015 07:23:16 -0700 (PDT) Received: by 10.13.236.84 with HTTP; Sat, 8 Aug 2015 07:23:16 -0700 (PDT) In-Reply-To: References: Date: Sat, 8 Aug 2015 15:23:16 +0100 X-Google-Sender-Auth: CRFI9l8JV_AuY2mZTsKRs822-_I Message-ID: From: David Sheets To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Fri, Aug 7, 2015 at 12:03 PM, Anil Madhavapeddy wrote: > Hi all, > > Christophe Troestler and Amir have been working on some infrastructure to make it easier to manage the growing number of distributed MirageOS repositories. These not only include the core libraries, but also the essential community-driven ones that aren't directly MirageOS-related but are still core (like Lwt, or Daniel Buenzli's many libraries, or Rump kernel), and then higher-level efforts like the TLS stack or the very new CCM-encrypted block storage [1]. > > So to drive these scripts, we need some metadata to get the list of repositories. We currently use the TROVE [2] file to keep track, but this is always a little incomplete, and doesn't distinguish between the sorts of repositories. > > My proposal is to maintain all of this metadata within OPAM. We already have a "org:mirage" tag for many of the repositories, and it's possible to query the "dev-repo" field to get the raw Git repository from there. What is missing is: > > - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. > > - Add additional tags to make it easier to filter these repositories. I'm open to what these should be, but something task-oriented is probably most useful. e.g. mirage-net2 for the reworked network stack, or mirage-irmin for any storage related activities). > > - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. This is a great idea and sounds basically like an enhanced opam2web static site generator with extensive GitHub integration and broader use as a tool beyond the bespoke application of the current project. Something like this has been planned for a while but I'm happy to see work progress on it. I'd like to see an automatically generated list of 'lagging' packages that only work with versions of dependencies that are not the newest. This would probably need to be integrated into test results in order to cross-check the explicit version constraints. > Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. > > [1] https://github.com/ocaml/opam-repository/pull/4625 > [2] https://github.com/mirage/mirage-www/blob/master/TROVE > > thanks > Anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:30:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:30:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjOz-0004YJ-IB; Mon, 10 Aug 2015 09:29:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjOy-0004YA-M4 for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:29:52 +0000 Received: from [85.158.137.68] by server-4.bemta-3.messagelabs.com id D9/8B-09570-F0F68C55; Mon, 10 Aug 2015 09:29:51 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1439198990!33702273!1 X-Originating-IP: [209.85.212.182] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6911 invoked from network); 10 Aug 2015 09:29:50 -0000 Received: from mail-wi0-f182.google.com (HELO mail-wi0-f182.google.com) (209.85.212.182) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:29:50 -0000 Received: by wicja10 with SMTP id ja10so17063467wic.1 for ; Mon, 10 Aug 2015 02:29:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=RaRucRwGqxAvv3w8ESIWSnf3ENz/CD84miMFytKmZ1A=; b=LgxiqvjwnL95ADAUt7GThq7WABc9NhECqV9S1p7pOJa6ucSVrr2/p3JrmBPVglimeu jEv5nrGgve3ltEeScw7T//I6J6HI8INJ0SnSvxFLcqyApYWq+GkpUUJFWQ4gyv7HthSR 0RPN+JYA3cu6+467ZNCzKZsP8P5KHJ6eClh6y1yKaztyfZIchAyyC/+Pzc6ZdRDOAUv4 d0nYhtCSgRl0uS9+cl9cH1jCCu7quKunG+lUlZyhwBBe5laz3atpsmPTMx1CXZHBbqpA ITdPUVlNjO08RZ8uZlA8mzgT4ueMDD0GlZ1uW/xoA9krGIzLbsjeCXOI+R/RwDh+/+Y8 R1VA== X-Received: by 10.180.207.242 with SMTP id lz18mr21586082wic.66.1439198990131; Mon, 10 Aug 2015 02:29:50 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id jz4sm28480380wjb.16.2015.08.10.02.29.48 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 02:29:49 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 10:29:48 +0100 Message-Id: References: To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hey, > - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. Well, we already have that one: that's https://github.com/mirage/mirage-dev unfortunately it mixes new mirage packages (currently jitsu, mirage-nat) and third-party patched libraries (currently, dolog, type-conv and zlib). So we need to use the tags here as well. It is also missing few other libs, so people should add their projects in there. I'm still unclear if we want to use branches here or not to stage releases... > > - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. yes we definitely need an high-level views on top of our repositories. Random list of needed features: - the main one is (as already mentioned) the ability to see lagged release (ie. repo with commits but without a release). And maybe a one-click release button using scripts my hackish opam-release[4]. - highlight high-level/multi-repo tracking issues (such as error handling[1], irmin/mirage integration[2], API updates[3]). - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. Thomas [1]: https://github.com/mirage/mirage/issues/381 [2]: https://github.com/mirage/irmin/issues/107 [3]: https://github.com/mirage/mirage/issues/203 [4]: https://github.com/samoht/opam-release > > Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. > > [1] https://github.com/ocaml/opam-repository/pull/4625 > [2] https://github.com/mirage/mirage-www/blob/master/TROVE > > thanks > Anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:30:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:30:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjOz-0004YJ-IB; Mon, 10 Aug 2015 09:29:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjOy-0004YA-M4 for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:29:52 +0000 Received: from [85.158.137.68] by server-4.bemta-3.messagelabs.com id D9/8B-09570-F0F68C55; Mon, 10 Aug 2015 09:29:51 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1439198990!33702273!1 X-Originating-IP: [209.85.212.182] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6911 invoked from network); 10 Aug 2015 09:29:50 -0000 Received: from mail-wi0-f182.google.com (HELO mail-wi0-f182.google.com) (209.85.212.182) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:29:50 -0000 Received: by wicja10 with SMTP id ja10so17063467wic.1 for ; Mon, 10 Aug 2015 02:29:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=RaRucRwGqxAvv3w8ESIWSnf3ENz/CD84miMFytKmZ1A=; b=LgxiqvjwnL95ADAUt7GThq7WABc9NhECqV9S1p7pOJa6ucSVrr2/p3JrmBPVglimeu jEv5nrGgve3ltEeScw7T//I6J6HI8INJ0SnSvxFLcqyApYWq+GkpUUJFWQ4gyv7HthSR 0RPN+JYA3cu6+467ZNCzKZsP8P5KHJ6eClh6y1yKaztyfZIchAyyC/+Pzc6ZdRDOAUv4 d0nYhtCSgRl0uS9+cl9cH1jCCu7quKunG+lUlZyhwBBe5laz3atpsmPTMx1CXZHBbqpA ITdPUVlNjO08RZ8uZlA8mzgT4ueMDD0GlZ1uW/xoA9krGIzLbsjeCXOI+R/RwDh+/+Y8 R1VA== X-Received: by 10.180.207.242 with SMTP id lz18mr21586082wic.66.1439198990131; Mon, 10 Aug 2015 02:29:50 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id jz4sm28480380wjb.16.2015.08.10.02.29.48 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 02:29:49 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 10:29:48 +0100 Message-Id: References: To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hey, > - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. Well, we already have that one: that's https://github.com/mirage/mirage-dev unfortunately it mixes new mirage packages (currently jitsu, mirage-nat) and third-party patched libraries (currently, dolog, type-conv and zlib). So we need to use the tags here as well. It is also missing few other libs, so people should add their projects in there. I'm still unclear if we want to use branches here or not to stage releases... > > - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. yes we definitely need an high-level views on top of our repositories. Random list of needed features: - the main one is (as already mentioned) the ability to see lagged release (ie. repo with commits but without a release). And maybe a one-click release button using scripts my hackish opam-release[4]. - highlight high-level/multi-repo tracking issues (such as error handling[1], irmin/mirage integration[2], API updates[3]). - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. Thomas [1]: https://github.com/mirage/mirage/issues/381 [2]: https://github.com/mirage/irmin/issues/107 [3]: https://github.com/mirage/mirage/issues/203 [4]: https://github.com/samoht/opam-release > > Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. > > [1] https://github.com/ocaml/opam-repository/pull/4625 > [2] https://github.com/mirage/mirage-www/blob/master/TROVE > > thanks > Anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:43:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:43:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjbw-0005Ne-6Y; Mon, 10 Aug 2015 09:43:16 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjbu-0005NW-Jb for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:43:14 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id B4/AE-19220-13278C55; Mon, 10 Aug 2015 09:43:13 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1439199792!26891184!1 X-Originating-IP: [209.85.212.169] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_50_60,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21493 invoked from network); 10 Aug 2015 09:43:12 -0000 Received: from mail-wi0-f169.google.com (HELO mail-wi0-f169.google.com) (209.85.212.169) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:43:12 -0000 Received: by wicja10 with SMTP id ja10so17538269wic.1 for ; Mon, 10 Aug 2015 02:43:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=dA7EdB99FsoAqgP79airc3U4H5nJnrBWwzNZTaiZSeo=; b=uLpVGJ1W0XAPbRaSi9HCj+nd9U/TSvkZ5BVNZj9S96go67kE1YHWWeUfKDFx77dJqS i8fQpWJwNVgUEe2hMv9/urnO8lAzTT1rAeyU9zhnalwj/sbBJCz7koVX5RCQjT+kyDd7 N7N8zGkHuI2fGUWH0a+dtDJ5swiFG/CA+loo1CeYWAjjzUdTnA4yuIlxV52Vbx1rzUve vFLbkNovW2Jvo9lcmqsznjYkPU50S3Pnu/Rpae5snt30/iqgSR3t+zmUSI/2VAewqfpT ATZiEwPZm2qtZjPbVoKgygn0fshncEAoKc5Xa1uNgCqRlVTKe0In0t0qSEkadlv/sKn2 6VGw== X-Received: by 10.194.200.42 with SMTP id jp10mr45301972wjc.66.1439199792736; Mon, 10 Aug 2015 02:43:12 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id bg6sm28540400wjc.13.2015.08.10.02.43.11 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 02:43:12 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 10:43:11 +0100 Message-Id: References: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> To: Nick Betteridge X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6075125167612762806==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6075125167612762806== Content-Type: multipart/alternative; boundary="Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3" --Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 > > The intention is to use this library as the base for timestamp = representation and adapt CLOCK to use that instead. For now, putting in = a float<->integer shim would get you past this, but it shouldn't be = needed after the conversion to Ptime... > >=20 >=20 > Ok, thanks. I still need to put together a proposal for a = scheduler/calendar module, I'll use ptime too. I have just created https://github.com/mirage/mirage/issues/442 = to keep track of the new = Clock API. Feel free to add design ideas there. Best, Thomas= --Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 = --Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3-- --===============6075125167612762806== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6075125167612762806==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:43:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:43:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjbw-0005Ne-6Y; Mon, 10 Aug 2015 09:43:16 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjbu-0005NW-Jb for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:43:14 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id B4/AE-19220-13278C55; Mon, 10 Aug 2015 09:43:13 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1439199792!26891184!1 X-Originating-IP: [209.85.212.169] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_50_60,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21493 invoked from network); 10 Aug 2015 09:43:12 -0000 Received: from mail-wi0-f169.google.com (HELO mail-wi0-f169.google.com) (209.85.212.169) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:43:12 -0000 Received: by wicja10 with SMTP id ja10so17538269wic.1 for ; Mon, 10 Aug 2015 02:43:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=dA7EdB99FsoAqgP79airc3U4H5nJnrBWwzNZTaiZSeo=; b=uLpVGJ1W0XAPbRaSi9HCj+nd9U/TSvkZ5BVNZj9S96go67kE1YHWWeUfKDFx77dJqS i8fQpWJwNVgUEe2hMv9/urnO8lAzTT1rAeyU9zhnalwj/sbBJCz7koVX5RCQjT+kyDd7 N7N8zGkHuI2fGUWH0a+dtDJ5swiFG/CA+loo1CeYWAjjzUdTnA4yuIlxV52Vbx1rzUve vFLbkNovW2Jvo9lcmqsznjYkPU50S3Pnu/Rpae5snt30/iqgSR3t+zmUSI/2VAewqfpT ATZiEwPZm2qtZjPbVoKgygn0fshncEAoKc5Xa1uNgCqRlVTKe0In0t0qSEkadlv/sKn2 6VGw== X-Received: by 10.194.200.42 with SMTP id jp10mr45301972wjc.66.1439199792736; Mon, 10 Aug 2015 02:43:12 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id bg6sm28540400wjc.13.2015.08.10.02.43.11 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 02:43:12 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 10:43:11 +0100 Message-Id: References: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> To: Nick Betteridge X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6075125167612762806==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6075125167612762806== Content-Type: multipart/alternative; boundary="Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3" --Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 > > The intention is to use this library as the base for timestamp = representation and adapt CLOCK to use that instead. For now, putting in = a float<->integer shim would get you past this, but it shouldn't be = needed after the conversion to Ptime... > >=20 >=20 > Ok, thanks. I still need to put together a proposal for a = scheduler/calendar module, I'll use ptime too. I have just created https://github.com/mirage/mirage/issues/442 = to keep track of the new = Clock API. Feel free to add design ideas there. Best, Thomas= --Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1
> The = intention is to use this library as the base for timestamp = representation and adapt CLOCK to use that instead. For now, putting in = a float<->integer shim would get you past this, but it shouldn't = be needed after the conversion to Ptime...
>

Ok, thanks. I still need to put together a = proposal for a scheduler/calendar module, I'll use ptime too.

I have just created https://github.com/mirage/mirage/issues/442 to keep = track of the new Clock API. Feel free to add design ideas = there.

Best,
Thomas
= --Apple-Mail=_6143C615-67E5-4B16-8346-76F4BF6DFDB3-- --===============6075125167612762806== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6075125167612762806==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:45:33 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:45:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjdy-0005RG-FM; Mon, 10 Aug 2015 09:45:22 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjdw-0005RA-G4 for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:45:20 +0000 Received: from [193.109.254.147] by server-13.bemta-14.messagelabs.com id FD/39-12371-FA278C55; Mon, 10 Aug 2015 09:45:19 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1439199917!39442489!1 X-Originating-IP: [209.85.213.44] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1612 invoked from network); 10 Aug 2015 09:45:18 -0000 Received: from mail-vk0-f44.google.com (HELO mail-vk0-f44.google.com) (209.85.213.44) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:45:18 -0000 Received: by vkfi73 with SMTP id i73so14912080vkf.2 for ; Mon, 10 Aug 2015 02:45:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=tjrEmXaspdok7z0R+OocH1p5QQ94Xg3333+W88siTww=; b=N6MQGXQ2RVBN4/3wcN772T057BCPLWloHwOGCR5tcvJuXoHVrf0/Z/D7JhyZTDxGqA P70sw8l2uMjJtVzmf0jeJcDjDw3RzNvbrlkmszk98Yux80pKqaV5dwQ5yavKOY8TEpYl HuhgBalb+5rj7bJOuoJ5tTaOi9ZIt6nFH6jLi11kzzvtxKh0j7SJWdjFNtcOGLPtXbg3 XguDTKQX2KTsD3Yq2M5SMOH8XeRHGF9YgYrfH++JNdSTZWi1KU0TaV2HFQ4Tgj2PtSY8 tbP4qFhNlhCqZj4yKAzpyEXMh1Y7/V0+i78rGXK3cKb2HRvFlvCzyLKESshDx2uNO+8I 0jUw== MIME-Version: 1.0 X-Received: by 10.52.232.161 with SMTP id tp1mr23431104vdc.37.1439199917443; Mon, 10 Aug 2015 02:45:17 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 10 Aug 2015 02:45:17 -0700 (PDT) In-Reply-To: References: Date: Mon, 10 Aug 2015 10:45:17 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 10:29, Thomas Gazagnaire wrote: > Hey, > >> - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. > > Well, we already have that one: that's https://github.com/mirage/mirage-dev > > unfortunately it mixes new mirage packages (currently jitsu, mirage-nat) and third-party patched libraries (currently, dolog, type-conv and zlib). So we need to use the tags here as well. It is also missing few other libs, so people should add their projects in there. > > I'm still unclear if we want to use branches here or not to stage releases... >> >> - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. > > yes we definitely need an high-level views on top of our repositories. Random list of needed features: > > - the main one is (as already mentioned) the ability to see lagged release (ie. repo with commits but without a release). And maybe a one-click release button using scripts my hackish opam-release[4]. > - highlight high-level/multi-repo tracking issues (such as error handling[1], irmin/mirage integration[2], API updates[3]). > - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. Can we provide the "changes" information automatically somehow? It seems that it just duplicates the release notes and/or the Git history, and causes unnecessary merge conflicts. e.g. if you go to https://github.com/talex5/mirage-trace-viewer/releases you'll see a list of changes for each release, but I don't maintain a separate changes file and I don't feel I'm losing anything by doing this. > - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. > > Thomas > > [1]: https://github.com/mirage/mirage/issues/381 > [2]: https://github.com/mirage/irmin/issues/107 > [3]: https://github.com/mirage/mirage/issues/203 > [4]: https://github.com/samoht/opam-release > > >> >> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >> >> [1] https://github.com/ocaml/opam-repository/pull/4625 >> [2] https://github.com/mirage/mirage-www/blob/master/TROVE >> >> thanks >> Anil >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:45:33 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:45:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjdy-0005RG-FM; Mon, 10 Aug 2015 09:45:22 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjdw-0005RA-G4 for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:45:20 +0000 Received: from [193.109.254.147] by server-13.bemta-14.messagelabs.com id FD/39-12371-FA278C55; Mon, 10 Aug 2015 09:45:19 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1439199917!39442489!1 X-Originating-IP: [209.85.213.44] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1612 invoked from network); 10 Aug 2015 09:45:18 -0000 Received: from mail-vk0-f44.google.com (HELO mail-vk0-f44.google.com) (209.85.213.44) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:45:18 -0000 Received: by vkfi73 with SMTP id i73so14912080vkf.2 for ; Mon, 10 Aug 2015 02:45:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=tjrEmXaspdok7z0R+OocH1p5QQ94Xg3333+W88siTww=; b=N6MQGXQ2RVBN4/3wcN772T057BCPLWloHwOGCR5tcvJuXoHVrf0/Z/D7JhyZTDxGqA P70sw8l2uMjJtVzmf0jeJcDjDw3RzNvbrlkmszk98Yux80pKqaV5dwQ5yavKOY8TEpYl HuhgBalb+5rj7bJOuoJ5tTaOi9ZIt6nFH6jLi11kzzvtxKh0j7SJWdjFNtcOGLPtXbg3 XguDTKQX2KTsD3Yq2M5SMOH8XeRHGF9YgYrfH++JNdSTZWi1KU0TaV2HFQ4Tgj2PtSY8 tbP4qFhNlhCqZj4yKAzpyEXMh1Y7/V0+i78rGXK3cKb2HRvFlvCzyLKESshDx2uNO+8I 0jUw== MIME-Version: 1.0 X-Received: by 10.52.232.161 with SMTP id tp1mr23431104vdc.37.1439199917443; Mon, 10 Aug 2015 02:45:17 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 10 Aug 2015 02:45:17 -0700 (PDT) In-Reply-To: References: Date: Mon, 10 Aug 2015 10:45:17 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 10:29, Thomas Gazagnaire wrote: > Hey, > >> - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. > > Well, we already have that one: that's https://github.com/mirage/mirage-dev > > unfortunately it mixes new mirage packages (currently jitsu, mirage-nat) and third-party patched libraries (currently, dolog, type-conv and zlib). So we need to use the tags here as well. It is also missing few other libs, so people should add their projects in there. > > I'm still unclear if we want to use branches here or not to stage releases... >> >> - Build a dashboard view of issues, commits and so on from the aggregation of this. Christophe is currently working on this, and I'm keen to add issue tracking to make releases and standardised labelling of issues in GitHub easier. Once David Sheets finishes up the next iteration of Codoc, we can also generate cross-referenced documentation. > > yes we definitely need an high-level views on top of our repositories. Random list of needed features: > > - the main one is (as already mentioned) the ability to see lagged release (ie. repo with commits but without a release). And maybe a one-click release button using scripts my hackish opam-release[4]. > - highlight high-level/multi-repo tracking issues (such as error handling[1], irmin/mirage integration[2], API updates[3]). > - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. Can we provide the "changes" information automatically somehow? It seems that it just duplicates the release notes and/or the Git history, and causes unnecessary merge conflicts. e.g. if you go to https://github.com/talex5/mirage-trace-viewer/releases you'll see a list of changes for each release, but I don't maintain a separate changes file and I don't feel I'm losing anything by doing this. > - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. > > Thomas > > [1]: https://github.com/mirage/mirage/issues/381 > [2]: https://github.com/mirage/irmin/issues/107 > [3]: https://github.com/mirage/mirage/issues/203 > [4]: https://github.com/samoht/opam-release > > >> >> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >> >> [1] https://github.com/ocaml/opam-repository/pull/4625 >> [2] https://github.com/mirage/mirage-www/blob/master/TROVE >> >> thanks >> Anil >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 09:57:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 09:57:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjpO-0006I1-54; Mon, 10 Aug 2015 09:57:10 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjpM-0006Hw-Vl for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 09:57:09 +0000 Received: from [85.158.139.211] by server-16.bemta-5.messagelabs.com id 31/A0-14422-47578C55; Mon, 10 Aug 2015 09:57:08 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1439200627!26909093!1 X-Originating-IP: [209.85.212.179] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6904 invoked from network); 10 Aug 2015 09:57:07 -0000 Received: from mail-wi0-f179.google.com (HELO mail-wi0-f179.google.com) (209.85.212.179) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 09:57:07 -0000 Received: by wicne3 with SMTP id ne3so15420987wic.0 for ; Mon, 10 Aug 2015 02:57:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=YY/rFCdzgoVIoJfwpxJVdpIOBh5N48CcR6Spj/WccfQ=; b=DpBss8WCv464J+qIuZnOgoRLxc5UiAqzHxM7g3f/Js1qYp/Z2rsOdlsIokkuig46Do oe04VLIRBEGyuCPy8qkk6FPq+HIYAc1OCptMWLZAYCH8K0lu0ACEnQFcLexq09LrdDbf 2FI2cMKYsnhRWgLIbQvZqqq/HpRnJIHw8NtW4G+iYYg9wDBqBSmXCcM/IvOcrqp8Jy3n +qBjin8IUTKvzmc22DIVkKvKuha8LUbjFfUE3/xsq7vcFvjNj3IUhY0dEOIxG7hAYaik FE74TUmd+TvUZo5NC+jz+lwO3NQ8PtqmTxexeNDzhESNPiqElWynRxBKkmoo+dk3UIzf +/FQ== X-Received: by 10.180.198.178 with SMTP id jd18mr23071890wic.14.1439200627260; Mon, 10 Aug 2015 02:57:07 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id pn6sm28580931wjb.36.2015.08.10.02.57.05 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 02:57:06 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Date: Mon, 10 Aug 2015 10:57:05 +0100 Message-Id: References: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> To: Dave Scott X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id pn6sm28580931wjb.36.2015.08.10.02.57.05 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 02:57:06 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> Date: Mon, 10 Aug 2015 10:57:05 +0100 Message-Id: References: <3C1A9621-0838-430B-9F00-CCE9160E8C4F@citrix.com> To: Dave Scott X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] deployment scripts: moving (e.g. mirage-www) away from crunch? 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[213.106.112.122]) by smtp.gmail.com with ESMTPSA id lj2sm12908596wic.1.2015.08.10.03.02.10 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 03:02:11 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 11:02:10 +0100 Message-Id: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. > > Can we provide the "changes" information automatically somehow? It > seems that it just duplicates the release notes and/or the Git > history, and causes unnecessary merge conflicts. > > e.g. if you go to > https://github.com/talex5/mirage-trace-viewer/releases you'll see a > list of changes for each release, but I don't maintain a separate > changes file and I don't feel I'm losing anything by doing this. As long as there is a place where we can see the release changes (not `git log`) I'm happy it to be anywhere. However https://mirage.io/releases/ is looking at the GitHub release and I prefer to have it as a file in the repo to be able to grep it for API changes (very useful when updating opam dependency constraints), so I try to maintain both. Thomas > >> - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. >> >> Thomas >> >> [1]: https://github.com/mirage/mirage/issues/381 >> [2]: https://github.com/mirage/irmin/issues/107 >> [3]: https://github.com/mirage/mirage/issues/203 >> [4]: https://github.com/samoht/opam-release >> >> >>> >>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >>> >>> [1] https://github.com/ocaml/opam-repository/pull/4625 >>> [2] https://github.com/mirage/mirage-www/blob/master/TROVE >>> >>> thanks >>> Anil >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 10:02:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 10:02:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjuK-0006f1-Ae; Mon, 10 Aug 2015 10:02:16 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOjuJ-0006ew-RG for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 10:02:15 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id E9/3F-10678-7A678C55; Mon, 10 Aug 2015 10:02:15 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1439200932!29298052!1 X-Originating-IP: [209.85.212.178] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17918 invoked from network); 10 Aug 2015 10:02:12 -0000 Received: from mail-wi0-f178.google.com (HELO mail-wi0-f178.google.com) (209.85.212.178) by server-6.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 10:02:12 -0000 Received: by wijp15 with SMTP id p15so128831207wij.0 for ; Mon, 10 Aug 2015 03:02:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=fZVbMkEUjVKN84fSN3sU4ASpER3gtK0OziYwuuRC08Q=; b=rKcSG+/FtHOPm0SgWvjeil3AZuzLkQeEWozyCw5/VznjfENE4vD2Cl4k8rMxhucTYw qObiSGaCNN2acCs0CelYx280V8sj5BK4N0lHxAsLPzXYcAjEHV4DMg3CPKWH98anErRF dCbBwztPG1ukvZIfL7rWdK5mZSRvnr7qk5Z9DcrpDJW5UxG8uXT9XDeWUU3qVgYNkt1T P/KGIb8TlHVX7fsiW/T2r7vCJWbZebEgHwFxGYePzZyTgk/Jd4gTNhwTwRe3WQOsiel5 3wJMBkVLszkPCNV4R59474CtKBjRuHXgZXNURSAosNFXxJrVngHTQn9rwA8myy8eWuuj rLQQ== X-Received: by 10.180.96.230 with SMTP id dv6mr23380945wib.23.1439200931979; Mon, 10 Aug 2015 03:02:11 -0700 (PDT) Received: from [192.168.0.2] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by smtp.gmail.com with ESMTPSA id lj2sm12908596wic.1.2015.08.10.03.02.10 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 03:02:11 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 11:02:10 +0100 Message-Id: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. > > Can we provide the "changes" information automatically somehow? It > seems that it just duplicates the release notes and/or the Git > history, and causes unnecessary merge conflicts. > > e.g. if you go to > https://github.com/talex5/mirage-trace-viewer/releases you'll see a > list of changes for each release, but I don't maintain a separate > changes file and I don't feel I'm losing anything by doing this. As long as there is a place where we can see the release changes (not `git log`) I'm happy it to be anywhere. However https://mirage.io/releases/ is looking at the GitHub release and I prefer to have it as a file in the repo to be able to grep it for API changes (very useful when updating opam dependency constraints), so I try to maintain both. Thomas > >> - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. >> >> Thomas >> >> [1]: https://github.com/mirage/mirage/issues/381 >> [2]: https://github.com/mirage/irmin/issues/107 >> [3]: https://github.com/mirage/mirage/issues/203 >> [4]: https://github.com/samoht/opam-release >> >> >>> >>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >>> >>> [1] https://github.com/ocaml/opam-repository/pull/4625 >>> [2] https://github.com/mirage/mirage-www/blob/master/TROVE >>> >>> thanks >>> Anil >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 10:11:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 10:11:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOk3F-000836-Ie; Mon, 10 Aug 2015 10:11:29 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOk3E-00081u-PN for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 10:11:28 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 63/C1-19125-0D878C55; Mon, 10 Aug 2015 10:11:28 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1439201486!26905935!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1458 invoked from network); 10 Aug 2015 10:11:26 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 10:11:26 -0000 Received: by vkhl6 with SMTP id l6so56954170vkh.1 for ; Mon, 10 Aug 2015 03:11:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=H1UL6q+y+GRcslP6gghulzDSgYRzVAXb4WLtsDbi62E=; b=a1hLV/7tLQDJ374BIMUOe+e9wy9wsG6NvaDkXjfFRZQ8Ik4XOY+Gcf+69PESu9ISQD 3HJJ5pIThuzEEdcRL/knha7hxgD01UM+ujTEZZUn9AnOzUMZ+sJlRoAb03+R0bIG0DIX XxJx65F0Meq8m42vNa2zqU3ggVT5ZumA8bj9IuW9IJIyiWo1LLIpdNcs5qN7VU+n8vuJ ehlXMbEED8fpfw87YS913/dUJxOJJjXQq1Q3UOnbjAV9CR+Q1GNejTXhWRn9zwVgCzJA KbEqrF7Lk0wy2jerLmWJFQrI0OHF1XKvibbtvr6T2KfY8QmNT34+yMAuFLY9J4VitI0N yf+A== MIME-Version: 1.0 X-Received: by 10.52.52.114 with SMTP id s18mr24329628vdo.9.1439201486060; Mon, 10 Aug 2015 03:11:26 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 10 Aug 2015 03:11:25 -0700 (PDT) In-Reply-To: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> References: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> Date: Mon, 10 Aug 2015 11:11:25 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 11:02, Thomas Gazagnaire wrote: >>> - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. >> >> Can we provide the "changes" information automatically somehow? It >> seems that it just duplicates the release notes and/or the Git >> history, and causes unnecessary merge conflicts. >> >> e.g. if you go to >> https://github.com/talex5/mirage-trace-viewer/releases you'll see a >> list of changes for each release, but I don't maintain a separate >> changes file and I don't feel I'm losing anything by doing this. > > As long as there is a place where we can see the release changes (not `git log`) I'm happy it to be anywhere. However https://mirage.io/releases/ is looking at the GitHub release and I prefer to have it as a file in the repo to be able to grep it for API changes (very useful when updating opam dependency constraints), so I try to maintain both. This might work for listing API changes (while excluding bug fixes and other implementation-only details): git log **/*.mli That does depend on having an mli file for each module, but I think all the Mirage libraries do that anyway. > Thomas > >> >>> - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. >>> >>> Thomas >>> >>> [1]: https://github.com/mirage/mirage/issues/381 >>> [2]: https://github.com/mirage/irmin/issues/107 >>> [3]: https://github.com/mirage/mirage/issues/203 >>> [4]: https://github.com/samoht/opam-release >>> >>> >>>> >>>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >>>> >>>> [1] https://github.com/ocaml/opam-repository/pull/4625 >>>> [2] https://github.com/mirage/mirage-www/blob/master/TROVE >>>> >>>> thanks >>>> Anil >>>> _______________________________________________ >>>> MirageOS-devel mailing list >>>> MirageOS-devel@lists.xenproject.org >>>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >>> >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 10:11:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 10:11:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOk3F-000836-Ie; Mon, 10 Aug 2015 10:11:29 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOk3E-00081u-PN for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 10:11:28 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 63/C1-19125-0D878C55; Mon, 10 Aug 2015 10:11:28 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1439201486!26905935!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1458 invoked from network); 10 Aug 2015 10:11:26 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 10:11:26 -0000 Received: by vkhl6 with SMTP id l6so56954170vkh.1 for ; Mon, 10 Aug 2015 03:11:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=H1UL6q+y+GRcslP6gghulzDSgYRzVAXb4WLtsDbi62E=; b=a1hLV/7tLQDJ374BIMUOe+e9wy9wsG6NvaDkXjfFRZQ8Ik4XOY+Gcf+69PESu9ISQD 3HJJ5pIThuzEEdcRL/knha7hxgD01UM+ujTEZZUn9AnOzUMZ+sJlRoAb03+R0bIG0DIX XxJx65F0Meq8m42vNa2zqU3ggVT5ZumA8bj9IuW9IJIyiWo1LLIpdNcs5qN7VU+n8vuJ ehlXMbEED8fpfw87YS913/dUJxOJJjXQq1Q3UOnbjAV9CR+Q1GNejTXhWRn9zwVgCzJA KbEqrF7Lk0wy2jerLmWJFQrI0OHF1XKvibbtvr6T2KfY8QmNT34+yMAuFLY9J4VitI0N yf+A== MIME-Version: 1.0 X-Received: by 10.52.52.114 with SMTP id s18mr24329628vdo.9.1439201486060; Mon, 10 Aug 2015 03:11:26 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 10 Aug 2015 03:11:25 -0700 (PDT) In-Reply-To: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> References: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> Date: Mon, 10 Aug 2015 11:11:25 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 11:02, Thomas Gazagnaire wrote: >>> - lint release: check that all tags on a repo have a non-empty GitHb release, check that there's a CHANGES{.md} file, check that we have some tests. >> >> Can we provide the "changes" information automatically somehow? It >> seems that it just duplicates the release notes and/or the Git >> history, and causes unnecessary merge conflicts. >> >> e.g. if you go to >> https://github.com/talex5/mirage-trace-viewer/releases you'll see a >> list of changes for each release, but I don't maintain a separate >> changes file and I don't feel I'm losing anything by doing this. > > As long as there is a place where we can see the release changes (not `git log`) I'm happy it to be anywhere. However https://mirage.io/releases/ is looking at the GitHub release and I prefer to have it as a file in the repo to be able to grep it for API changes (very useful when updating opam dependency constraints), so I try to maintain both. This might work for listing API changes (while excluding bug fixes and other implementation-only details): git log **/*.mli That does depend on having an mli file for each module, but I think all the Mirage libraries do that anyway. > Thomas > >> >>> - ideally, we should start to have "gatekeepers" for all of our projects. If you are a gatekeeper, having a view for all issues/PR for these projects would be useful. >>> >>> Thomas >>> >>> [1]: https://github.com/mirage/mirage/issues/381 >>> [2]: https://github.com/mirage/irmin/issues/107 >>> [3]: https://github.com/mirage/mirage/issues/203 >>> [4]: https://github.com/samoht/opam-release >>> >>> >>>> >>>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >>>> >>>> [1] https://github.com/ocaml/opam-repository/pull/4625 >>>> [2] https://github.com/mirage/mirage-www/blob/master/TROVE >>>> >>>> thanks >>>> Anil >>>> _______________________________________________ >>>> MirageOS-devel mailing list >>>> MirageOS-devel@lists.xenproject.org >>>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >>> >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 12:51:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 12:51:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmYC-0004Sk-3l; Mon, 10 Aug 2015 12:51:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmYB-0004Sf-6h for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 12:51:35 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 47/56-00475-65E98C55; Mon, 10 Aug 2015 12:51:34 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1439211093!28073132!1 X-Originating-IP: [209.85.212.177] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27173 invoked from network); 10 Aug 2015 12:51:33 -0000 Received: from mail-wi0-f177.google.com (HELO mail-wi0-f177.google.com) (209.85.212.177) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 12:51:33 -0000 Received: by wicja10 with SMTP id ja10so24213247wic.1 for ; Mon, 10 Aug 2015 05:51:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=ZHwvVbRzwQQvlUBExhA1I3hYRX/6PXNV66kjKumgbIk=; b=TEghS7VuLDAj3nXtvFKMxHM60t+yBhL4PGNrYQUlI8TDqJtYoYZ1sjReDfOuwINHjP A+05Axee67JVzSHIn3gYE23HWHSnUeBTOYSbbUIUDGc1qiDRdQY7KvoAvad0pZOdNjZ2 iN1a0F7nhe20PyESn5Bc671UjZIqiVFtbPBqMQXXsC9gimnm4NoLUMYMMS5r3Kx6SpVS jU6nFMdcJv+fklPVABj2LPrYNh/t9Xy25zgm61jUyRK7wJAvbC0574Z2gKzUozilHIX1 fk6k91OhhR9XffTQ6/11yqZ5cN0Xg6Q4U3cUn9gfXVXrtNITC11JkWKkRdFotV7jyzFE uNxQ== X-Received: by 10.194.239.167 with SMTP id vt7mr46885028wjc.5.1439211093012; Mon, 10 Aug 2015 05:51:33 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id lu5sm29385235wjb.9.2015.08.10.05.51.31 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 05:51:31 -0700 (PDT) From: Thomas Gazagnaire Message-Id: Date: Mon, 10 Aug 2015 13:51:32 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. 1. The functor / first-class module interfaces: the first-class module is simpler to grasp, it is harder (or sometimes impossible) to do more complex tasks with them. A lot of people have reported to me that it's confusing and that it's bad to duplicate the API. I agree and I propose to remove the first-class module API all together and add one or two default higher-level functors to simplify a little bit the current functor API. 2. The View API is mutable, although it would be better to make it immutable[1]. Views keeps a list of operations which are been applied to it (such as reads) so merging a view is similar to committing a transaction in usual DB context. I think it is hard to keep the same behaviour on immutable views without being too verbose or confusing. So I propose to rename View to Transaction and have a proper immutable Staging area. 3. The terminology is slightly different that the usual Git one. I think it is better to change it to match exactly to help people already knowing Git to start with Irmin more easily (eg. Irmin's tag are Git's references, Irmin's heads are Git's commits, etc) 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. Also, Irmin offers 3 ways to create a new store handler: using the master branch, using a given branch name, or using a commit id. Only using a commit id is fully "concurrency-safe" unless you know exactly what you are doing -- this is not very clear in the API and can be surprising to users. We should change that. So in the very short-term (read this week or the next) I plan to release a 0.10 API with at least: - deletion of the 1st class module API (address 1.) - some renaming of modules (at least Tag -> Reference, View -> Transaction, type head -> type commit, etc...) - addition of an immutable staging area (address 3.) - and something (not clear yet) to address 4. I am very interested to get feedback on this, so please reply if you are or were (or will be) using Irmin at one point ("please don't change the API again" is also a good reply :p) Best, Thomas [1]: https://github.com/mirage/irmin/issues/109 [2]: https://github.com/talex5/cuekeeper/blob/master/utils/git_storage_s.ml _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 12:51:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 12:51:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmYC-0004Sk-3l; Mon, 10 Aug 2015 12:51:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmYB-0004Sf-6h for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 12:51:35 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 47/56-00475-65E98C55; Mon, 10 Aug 2015 12:51:34 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1439211093!28073132!1 X-Originating-IP: [209.85.212.177] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27173 invoked from network); 10 Aug 2015 12:51:33 -0000 Received: from mail-wi0-f177.google.com (HELO mail-wi0-f177.google.com) (209.85.212.177) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 12:51:33 -0000 Received: by wicja10 with SMTP id ja10so24213247wic.1 for ; Mon, 10 Aug 2015 05:51:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=ZHwvVbRzwQQvlUBExhA1I3hYRX/6PXNV66kjKumgbIk=; b=TEghS7VuLDAj3nXtvFKMxHM60t+yBhL4PGNrYQUlI8TDqJtYoYZ1sjReDfOuwINHjP A+05Axee67JVzSHIn3gYE23HWHSnUeBTOYSbbUIUDGc1qiDRdQY7KvoAvad0pZOdNjZ2 iN1a0F7nhe20PyESn5Bc671UjZIqiVFtbPBqMQXXsC9gimnm4NoLUMYMMS5r3Kx6SpVS jU6nFMdcJv+fklPVABj2LPrYNh/t9Xy25zgm61jUyRK7wJAvbC0574Z2gKzUozilHIX1 fk6k91OhhR9XffTQ6/11yqZ5cN0Xg6Q4U3cUn9gfXVXrtNITC11JkWKkRdFotV7jyzFE uNxQ== X-Received: by 10.194.239.167 with SMTP id vt7mr46885028wjc.5.1439211093012; Mon, 10 Aug 2015 05:51:33 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id lu5sm29385235wjb.9.2015.08.10.05.51.31 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 05:51:31 -0700 (PDT) From: Thomas Gazagnaire Message-Id: Date: Mon, 10 Aug 2015 13:51:32 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. 1. The functor / first-class module interfaces: the first-class module is simpler to grasp, it is harder (or sometimes impossible) to do more complex tasks with them. A lot of people have reported to me that it's confusing and that it's bad to duplicate the API. I agree and I propose to remove the first-class module API all together and add one or two default higher-level functors to simplify a little bit the current functor API. 2. The View API is mutable, although it would be better to make it immutable[1]. Views keeps a list of operations which are been applied to it (such as reads) so merging a view is similar to committing a transaction in usual DB context. I think it is hard to keep the same behaviour on immutable views without being too verbose or confusing. So I propose to rename View to Transaction and have a proper immutable Staging area. 3. The terminology is slightly different that the usual Git one. I think it is better to change it to match exactly to help people already knowing Git to start with Irmin more easily (eg. Irmin's tag are Git's references, Irmin's heads are Git's commits, etc) 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. Also, Irmin offers 3 ways to create a new store handler: using the master branch, using a given branch name, or using a commit id. Only using a commit id is fully "concurrency-safe" unless you know exactly what you are doing -- this is not very clear in the API and can be surprising to users. We should change that. So in the very short-term (read this week or the next) I plan to release a 0.10 API with at least: - deletion of the 1st class module API (address 1.) - some renaming of modules (at least Tag -> Reference, View -> Transaction, type head -> type commit, etc...) - addition of an immutable staging area (address 3.) - and something (not clear yet) to address 4. I am very interested to get feedback on this, so please reply if you are or were (or will be) using Irmin at one point ("please don't change the API again" is also a good reply :p) Best, Thomas [1]: https://github.com/mirage/irmin/issues/109 [2]: https://github.com/talex5/cuekeeper/blob/master/utils/git_storage_s.ml _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 13:03:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 13:03:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmjj-0005Cc-2f; Mon, 10 Aug 2015 13:03:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmji-0005CW-1H for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 13:03:30 +0000 Received: from [193.109.254.147] by server-12.bemta-14.messagelabs.com id 70/51-18744-121A8C55; Mon, 10 Aug 2015 13:03:29 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1439211806!37844839!1 X-Originating-IP: [217.70.183.195] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMjE3LjcwLjE4My4xOTUgPT4gMzc4NjI=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19668 invoked from network); 10 Aug 2015 13:03:26 -0000 Received: from relay3-d.mail.gandi.net (HELO relay3-d.mail.gandi.net) (217.70.183.195) by server-4.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Aug 2015 13:03:26 -0000 Received: from mfilter28-d.gandi.net (mfilter28-d.gandi.net [217.70.178.159]) by relay3-d.mail.gandi.net (Postfix) with ESMTP id 2A490A80AF for ; Mon, 10 Aug 2015 15:03:26 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter28-d.gandi.net Received: from relay3-d.mail.gandi.net ([IPv6:::ffff:217.70.183.195]) by mfilter28-d.gandi.net (mfilter28-d.gandi.net [::ffff:10.0.15.180]) (amavisd-new, port 10024) with ESMTP id GLvWiAw1OR4N for ; Mon, 10 Aug 2015 15:03:24 +0200 (CEST) X-Originating-IP: 131.111.184.18 Received: from [172.17.27.203] (global-1-18.nat.csx.cam.ac.uk [131.111.184.18]) (Authenticated sender: guybrush@somerandomidiot.com) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 787DAA80B4 for ; Mon, 10 Aug 2015 15:03:24 +0200 (CEST) Message-ID: <55C8A088.1080804@somerandomidiot.com> Date: Mon, 10 Aug 2015 14:00:56 +0100 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: In-Reply-To: Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 08/10/2015 01:51 PM, Thomas Gazagnaire wrote: > Hi all, > > There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. > > 1. The functor / first-class module interfaces: the first-class module is simpler to grasp, it is harder (or sometimes impossible) to do more complex tasks with them. A lot of people have reported to me that it's confusing and that it's bad to duplicate the API. I agree and I propose to remove the first-class module API all together and add one or two default higher-level functors to simplify a little bit the current functor API. I was much more confused by the presence of both APIs than I was by the functor version. I began by using the first-class modules (as the instructions/examples encourage) but eventually had to change to using functors, and it would've been better to just use the functors from the beginning. > > 2. The View API is mutable, although it would be better to make it immutable[1]. Views keeps a list of operations which are been applied to it (such as reads) so merging a view is similar to committing a transaction in usual DB context. I think it is hard to keep the same behaviour on immutable views without being too verbose or confusing. So I propose to rename View to Transaction and have a proper immutable Staging area. > > 3. The terminology is slightly different that the usual Git one. I think it is better to change it to match exactly to help people already knowing Git to start with Irmin more easily (eg. Irmin's tag are Git's references, Irmin's heads are Git's commits, etc) I think it would be good to either have a terminology that's completely different from that which Git uses, or use the Git terminology everywhere it's feasible. The situation where the same words refer to different things ("tag" comes to mind) is confusing. > > 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. Also, Irmin offers 3 ways to create a new store handler: using the master branch, using a given branch name, or using a commit id. Only using a commit id is fully "concurrency-safe" unless you know exactly what you are doing -- this is not very clear in the API and can be surprising to users. We should change that. > > So in the very short-term (read this week or the next) I plan to release a 0.10 API with at least: > - deletion of the 1st class module API (address 1.) > - some renaming of modules (at least Tag -> Reference, View -> Transaction, type head -> type commit, etc...) > - addition of an immutable staging area (address 3.) > - and something (not clear yet) to address 4. > > I am very interested to get feedback on this, so please reply if you are or were (or will be) using Irmin at one point ("please don't change the API again" is also a good reply :p) Please go ahead and change the API again :p > Best, > Thomas > > [1]: https://github.com/mirage/irmin/issues/109 > [2]: https://github.com/talex5/cuekeeper/blob/master/utils/git_storage_s.ml > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -Mindy _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 13:03:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 13:03:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmjj-0005Cc-2f; Mon, 10 Aug 2015 13:03:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOmji-0005CW-1H for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 13:03:30 +0000 Received: from [193.109.254.147] by server-12.bemta-14.messagelabs.com id 70/51-18744-121A8C55; Mon, 10 Aug 2015 13:03:29 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1439211806!37844839!1 X-Originating-IP: [217.70.183.195] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMjE3LjcwLjE4My4xOTUgPT4gMzc4NjI=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19668 invoked from network); 10 Aug 2015 13:03:26 -0000 Received: from relay3-d.mail.gandi.net (HELO relay3-d.mail.gandi.net) (217.70.183.195) by server-4.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Aug 2015 13:03:26 -0000 Received: from mfilter28-d.gandi.net (mfilter28-d.gandi.net [217.70.178.159]) by relay3-d.mail.gandi.net (Postfix) with ESMTP id 2A490A80AF for ; Mon, 10 Aug 2015 15:03:26 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter28-d.gandi.net Received: from relay3-d.mail.gandi.net ([IPv6:::ffff:217.70.183.195]) by mfilter28-d.gandi.net (mfilter28-d.gandi.net [::ffff:10.0.15.180]) (amavisd-new, port 10024) with ESMTP id GLvWiAw1OR4N for ; Mon, 10 Aug 2015 15:03:24 +0200 (CEST) X-Originating-IP: 131.111.184.18 Received: from [172.17.27.203] (global-1-18.nat.csx.cam.ac.uk [131.111.184.18]) (Authenticated sender: guybrush@somerandomidiot.com) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 787DAA80B4 for ; Mon, 10 Aug 2015 15:03:24 +0200 (CEST) Message-ID: <55C8A088.1080804@somerandomidiot.com> Date: Mon, 10 Aug 2015 14:00:56 +0100 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: In-Reply-To: Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 08/10/2015 01:51 PM, Thomas Gazagnaire wrote: > Hi all, > > There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. > > 1. The functor / first-class module interfaces: the first-class module is simpler to grasp, it is harder (or sometimes impossible) to do more complex tasks with them. A lot of people have reported to me that it's confusing and that it's bad to duplicate the API. I agree and I propose to remove the first-class module API all together and add one or two default higher-level functors to simplify a little bit the current functor API. I was much more confused by the presence of both APIs than I was by the functor version. I began by using the first-class modules (as the instructions/examples encourage) but eventually had to change to using functors, and it would've been better to just use the functors from the beginning. > > 2. The View API is mutable, although it would be better to make it immutable[1]. Views keeps a list of operations which are been applied to it (such as reads) so merging a view is similar to committing a transaction in usual DB context. I think it is hard to keep the same behaviour on immutable views without being too verbose or confusing. So I propose to rename View to Transaction and have a proper immutable Staging area. > > 3. The terminology is slightly different that the usual Git one. I think it is better to change it to match exactly to help people already knowing Git to start with Irmin more easily (eg. Irmin's tag are Git's references, Irmin's heads are Git's commits, etc) I think it would be good to either have a terminology that's completely different from that which Git uses, or use the Git terminology everywhere it's feasible. The situation where the same words refer to different things ("tag" comes to mind) is confusing. > > 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. Also, Irmin offers 3 ways to create a new store handler: using the master branch, using a given branch name, or using a commit id. Only using a commit id is fully "concurrency-safe" unless you know exactly what you are doing -- this is not very clear in the API and can be surprising to users. We should change that. > > So in the very short-term (read this week or the next) I plan to release a 0.10 API with at least: > - deletion of the 1st class module API (address 1.) > - some renaming of modules (at least Tag -> Reference, View -> Transaction, type head -> type commit, etc...) > - addition of an immutable staging area (address 3.) > - and something (not clear yet) to address 4. > > I am very interested to get feedback on this, so please reply if you are or were (or will be) using Irmin at one point ("please don't change the API again" is also a good reply :p) Please go ahead and change the API again :p > Best, > Thomas > > [1]: https://github.com/mirage/irmin/issues/109 > [2]: https://github.com/talex5/cuekeeper/blob/master/utils/git_storage_s.ml > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -Mindy _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 14:05:58 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 14:05:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOnhs-00015k-1i; Mon, 10 Aug 2015 14:05:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOnhq-00015d-Mx for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 14:05:39 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 62/00-16965-1BFA8C55; Mon, 10 Aug 2015 14:05:37 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1439215536!33867841!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3253 invoked from network); 10 Aug 2015 14:05:36 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 14:05:36 -0000 Received: by vkhl6 with SMTP id l6so58994196vkh.1 for ; Mon, 10 Aug 2015 07:05:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=s7nnHzrKWYfS4LN2gHIAVbmpLOkWd7FSdVD4YdFFKpA=; b=pQHsTImbvau7Q7MScvw5GRMzYifJOczDIQvq/86EMoJqU1Vxk25oMiUIoNXB0BkXkO jG4K49TUywzTLjpZsYSmtOfqQa976mef50FXW/oyCoOt15hvH2ksrvT7EeUG9Ktayt6w llt4PG3G3aV7CvND9llDdSBFL6GsT3NRp1KOIS7/rf/KCeeqFVHFHtwWEKm9gk2jDSIc xJ5OUafNaDSt1/pjd/9C5fjxLYxOjxzW5axsZ265qIpHUZ6sOwBuWdvs8n7otLt3FWf8 cQRifJrpD9aZeF03lYZLVWj0VwiCPsO2cugsJ2CJ+tOiU4dgs1OPUlLTiggX6iYmU0u+ 4eEw== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr24223749vdc.87.1439215535804; Mon, 10 Aug 2015 07:05:35 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 10 Aug 2015 07:05:35 -0700 (PDT) In-Reply-To: References: Date: Mon, 10 Aug 2015 15:05:35 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 13:51, Thomas Gazagnaire wrote: > Hi all, > > There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. > > 1. The functor / first-class module interfaces: the first-class module is simpler to grasp, it is harder (or sometimes impossible) to do more complex tasks with them. A lot of people have reported to me that it's confusing and that it's bad to duplicate the API. I agree and I propose to remove the first-class module API all together and add one or two default higher-level functors to simplify a little bit the current functor API. Yes, I think would simplify things. I don't recall using any of the first-class modules API in my own code. > 2. The View API is mutable, although it would be better to make it immutable[1]. Views keeps a list of operations which are been applied to it (such as reads) so merging a view is similar to committing a transaction in usual DB context. I think it is hard to keep the same behaviour on immutable views without being too verbose or confusing. So I propose to rename View to Transaction and have a proper immutable Staging area. I'm not bothered about this either way. Views (staging areas) aren't shared, so being mutable is much less of a problem here than for branch stores. Though perhaps we need a different concept here. In my own code, I just want a way to generate a new tree from an existing one, without committing lots of temporary intermediate trees to the blob store while I'm doing so. e.g. I want something like this: let staging = Commit.checkout c1 in Staging.update path1 value1; Staging.update path2 value2; let c2 = Commit.create ~parents:[c1] staging in Merging this new commit onto a branch is a separate operation for me. It's not clear to me that this needs to be stored as a list of changes. > 3. The terminology is slightly different that the usual Git one. I think it is better to change it to match exactly to help people already knowing Git to start with Irmin more easily (eg. Irmin's tag are Git's references, Irmin's heads are Git's commits, etc) Yes please! "tag" (mutable reference) is especially confusing because it means the exact opposite in Git (immutable reference). > 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. No surprise that I agree with this ;-) Another reason to make an explicit Repository.t: Irmin currently makes some "global" state when you apply the functors. For example, I have to re-apply the Irmin.Basic functor to Irmin_mem.Make every time I want a fresh in-memory store. Having a Repository.t lets you do the set up operations for a repository once, not once per branch (too often) or once per functor application (surprising hidden state). > Also, Irmin offers 3 ways to create a new store handler: using the master branch, using a given branch name, or using a commit id. Only using a commit id is fully "concurrency-safe" unless you know exactly what you are doing -- this is not very clear in the API and can be surprising to users. We should change that. > > So in the very short-term (read this week or the next) I plan to release a 0.10 API with at least: > - deletion of the 1st class module API (address 1.) > - some renaming of modules (at least Tag -> Reference, View -> Transaction, type head -> type commit, etc...) I think Irmin's "tag" corresponds to Git's "branch name". Reference is any way to refer to a commit (by commit ID, by named branch, etc). A couple more that would have saved me some confusion: Node -> Tree Slice -> Bundle Task -> Message? Commit_metadata? Log_entry? It's probably clearer to have separate types "Commit.t" and "Commit.id" too. > - addition of an immutable staging area (address 3.) > - and something (not clear yet) to address 4. > > I am very interested to get feedback on this, so please reply if you are or were (or will be) using Irmin at one point ("please don't change the API again" is also a good reply :p) > > Best, > Thomas > > [1]: https://github.com/mirage/irmin/issues/109 > [2]: https://github.com/talex5/cuekeeper/blob/master/utils/git_storage_s.ml A few extra thoughts: First, Irmin seems to be trying to do two things: 1. Provide a Git-like API that isn't tied to ocaml-git, and that provides higher-level functions such as "merge" and "find-common-ancestor". 2. Use Git to implement a mutable key-value store (by making a commit each time you update something). I feel that the key-value store is just one possible use of Irmin and should be an optional component built on top of it. For CueKeeper at least, I found it easier to think in terms of immutable trees and commits rather than mutable key-value stores. CueKeeper's Irmin wrapper is really more of an "unwrapper". Secondly, I think the current API makes it too easy to introduce races. The simplest way to use Irmin is roughly: 1. Create a store from a branch name. 2. Read and update the store. This will appear to work during testing, but once you have multiple threads/processes/tabs accessing the same store you start to get strange behaviour. For example: let store = Store.create ... in let v1 = Store.read key1 + amount in let v2 = Store.read key2 - amount in Store.update key1 v1; Store.update key2 v2; You'd expect this to transfer "amount" from key2 to key1, but the operations will be interleaved with other changes to the store. Therefore, I'd like to force the user to decide what to do here. In particular, the user should be forced to dereference the branch to get a commit before they can read anything from it. Or, the user could create a transaction on the branch. But accessing the branch directly shouldn't be easy. This would also remove some ugliness from the BC module type. e.g val tag : t -> tag option Lwt.t (** tag t is t's name. Return None if t is not persistent. *) Here, the API tries to cover both commits and branches using an option type. With separate types, you just have: module Branch : sig val name : t -> branch_name Lwt.t ... Likewise, val head : t -> head option Lwt.t wouldn't need to be an option, because a commit always has an ID. Anyway, thanks for looking into this! Hopefully there's something of use in the above... -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 14:05:58 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 14:05:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOnhs-00015k-1i; Mon, 10 Aug 2015 14:05:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOnhq-00015d-Mx for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 14:05:39 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 62/00-16965-1BFA8C55; Mon, 10 Aug 2015 14:05:37 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1439215536!33867841!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3253 invoked from network); 10 Aug 2015 14:05:36 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 14:05:36 -0000 Received: by vkhl6 with SMTP id l6so58994196vkh.1 for ; Mon, 10 Aug 2015 07:05:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=s7nnHzrKWYfS4LN2gHIAVbmpLOkWd7FSdVD4YdFFKpA=; b=pQHsTImbvau7Q7MScvw5GRMzYifJOczDIQvq/86EMoJqU1Vxk25oMiUIoNXB0BkXkO jG4K49TUywzTLjpZsYSmtOfqQa976mef50FXW/oyCoOt15hvH2ksrvT7EeUG9Ktayt6w llt4PG3G3aV7CvND9llDdSBFL6GsT3NRp1KOIS7/rf/KCeeqFVHFHtwWEKm9gk2jDSIc xJ5OUafNaDSt1/pjd/9C5fjxLYxOjxzW5axsZ265qIpHUZ6sOwBuWdvs8n7otLt3FWf8 cQRifJrpD9aZeF03lYZLVWj0VwiCPsO2cugsJ2CJ+tOiU4dgs1OPUlLTiggX6iYmU0u+ 4eEw== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr24223749vdc.87.1439215535804; Mon, 10 Aug 2015 07:05:35 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Mon, 10 Aug 2015 07:05:35 -0700 (PDT) In-Reply-To: References: Date: Mon, 10 Aug 2015 15:05:35 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 13:51, Thomas Gazagnaire wrote: > Hi all, > > There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. > > 1. The functor / first-class module interfaces: the first-class module is simpler to grasp, it is harder (or sometimes impossible) to do more complex tasks with them. A lot of people have reported to me that it's confusing and that it's bad to duplicate the API. I agree and I propose to remove the first-class module API all together and add one or two default higher-level functors to simplify a little bit the current functor API. Yes, I think would simplify things. I don't recall using any of the first-class modules API in my own code. > 2. The View API is mutable, although it would be better to make it immutable[1]. Views keeps a list of operations which are been applied to it (such as reads) so merging a view is similar to committing a transaction in usual DB context. I think it is hard to keep the same behaviour on immutable views without being too verbose or confusing. So I propose to rename View to Transaction and have a proper immutable Staging area. I'm not bothered about this either way. Views (staging areas) aren't shared, so being mutable is much less of a problem here than for branch stores. Though perhaps we need a different concept here. In my own code, I just want a way to generate a new tree from an existing one, without committing lots of temporary intermediate trees to the blob store while I'm doing so. e.g. I want something like this: let staging = Commit.checkout c1 in Staging.update path1 value1; Staging.update path2 value2; let c2 = Commit.create ~parents:[c1] staging in Merging this new commit onto a branch is a separate operation for me. It's not clear to me that this needs to be stored as a list of changes. > 3. The terminology is slightly different that the usual Git one. I think it is better to change it to match exactly to help people already knowing Git to start with Irmin more easily (eg. Irmin's tag are Git's references, Irmin's heads are Git's commits, etc) Yes please! "tag" (mutable reference) is especially confusing because it means the exact opposite in Git (immutable reference). > 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. No surprise that I agree with this ;-) Another reason to make an explicit Repository.t: Irmin currently makes some "global" state when you apply the functors. For example, I have to re-apply the Irmin.Basic functor to Irmin_mem.Make every time I want a fresh in-memory store. Having a Repository.t lets you do the set up operations for a repository once, not once per branch (too often) or once per functor application (surprising hidden state). > Also, Irmin offers 3 ways to create a new store handler: using the master branch, using a given branch name, or using a commit id. Only using a commit id is fully "concurrency-safe" unless you know exactly what you are doing -- this is not very clear in the API and can be surprising to users. We should change that. > > So in the very short-term (read this week or the next) I plan to release a 0.10 API with at least: > - deletion of the 1st class module API (address 1.) > - some renaming of modules (at least Tag -> Reference, View -> Transaction, type head -> type commit, etc...) I think Irmin's "tag" corresponds to Git's "branch name". Reference is any way to refer to a commit (by commit ID, by named branch, etc). A couple more that would have saved me some confusion: Node -> Tree Slice -> Bundle Task -> Message? Commit_metadata? Log_entry? It's probably clearer to have separate types "Commit.t" and "Commit.id" too. > - addition of an immutable staging area (address 3.) > - and something (not clear yet) to address 4. > > I am very interested to get feedback on this, so please reply if you are or were (or will be) using Irmin at one point ("please don't change the API again" is also a good reply :p) > > Best, > Thomas > > [1]: https://github.com/mirage/irmin/issues/109 > [2]: https://github.com/talex5/cuekeeper/blob/master/utils/git_storage_s.ml A few extra thoughts: First, Irmin seems to be trying to do two things: 1. Provide a Git-like API that isn't tied to ocaml-git, and that provides higher-level functions such as "merge" and "find-common-ancestor". 2. Use Git to implement a mutable key-value store (by making a commit each time you update something). I feel that the key-value store is just one possible use of Irmin and should be an optional component built on top of it. For CueKeeper at least, I found it easier to think in terms of immutable trees and commits rather than mutable key-value stores. CueKeeper's Irmin wrapper is really more of an "unwrapper". Secondly, I think the current API makes it too easy to introduce races. The simplest way to use Irmin is roughly: 1. Create a store from a branch name. 2. Read and update the store. This will appear to work during testing, but once you have multiple threads/processes/tabs accessing the same store you start to get strange behaviour. For example: let store = Store.create ... in let v1 = Store.read key1 + amount in let v2 = Store.read key2 - amount in Store.update key1 v1; Store.update key2 v2; You'd expect this to transfer "amount" from key2 to key1, but the operations will be interleaved with other changes to the store. Therefore, I'd like to force the user to decide what to do here. In particular, the user should be forced to dereference the branch to get a commit before they can read anything from it. Or, the user could create a transaction on the branch. But accessing the branch directly shouldn't be easy. This would also remove some ugliness from the BC module type. e.g val tag : t -> tag option Lwt.t (** tag t is t's name. Return None if t is not persistent. *) Here, the API tries to cover both commits and branches using an option type. With separate types, you just have: module Branch : sig val name : t -> branch_name Lwt.t ... Likewise, val head : t -> head option Lwt.t wouldn't need to be an option, because a commit always has an ID. Anyway, thanks for looking into this! Hopefully there's something of use in the above... -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 14:26:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 14:26:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOo26-0002aG-MR; Mon, 10 Aug 2015 14:26:34 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOo25-0002ZX-Bi for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 14:26:33 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id DB/DE-06021-894B8C55; Mon, 10 Aug 2015 14:26:32 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-4.tower-31.messagelabs.com!1439216791!32552025!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9468 invoked from network); 10 Aug 2015 14:26:31 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-4.tower-31.messagelabs.com with SMTP; 10 Aug 2015 14:26:31 -0000 Received: from [192.168.2.3] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 266A52111C0E; Mon, 10 Aug 2015 14:26:29 +0000 (UTC) Date: Mon, 10 Aug 2015 15:26:40 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Gazagnaire Message-ID: In-Reply-To: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> References: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > As long as there is a place where we can see the release changes (not `git log`) I'm happy it to be anywhere. However https://mirage.io/releases/ is looking at the GitHub release and I prefer to have it as a file in the repo to be able to grep it for API changes (very useful when updating opam dependency constraints), so I try to maintain both. As a library user I also want to be able to consult them through opam (see [1,2]). Besides I still think that one should strive to remain as independent as possible from github's infrastructure (and this especially now that they made it clear that they have an opinion about what kind of words you should use in your repo). Best, Daniel [1] https://github.com/ocaml/opam/issues/1900 [2] https://github.com/ocaml/opam/issues/733 _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 14:26:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 14:26:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOo26-0002aG-MR; Mon, 10 Aug 2015 14:26:34 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOo25-0002ZX-Bi for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 14:26:33 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id DB/DE-06021-894B8C55; Mon, 10 Aug 2015 14:26:32 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-4.tower-31.messagelabs.com!1439216791!32552025!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9468 invoked from network); 10 Aug 2015 14:26:31 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-4.tower-31.messagelabs.com with SMTP; 10 Aug 2015 14:26:31 -0000 Received: from [192.168.2.3] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 266A52111C0E; Mon, 10 Aug 2015 14:26:29 +0000 (UTC) Date: Mon, 10 Aug 2015 15:26:40 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Gazagnaire Message-ID: In-Reply-To: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> References: <8C0983EB-B14D-4A5E-9E04-7DA61E981B43@gazagnaire.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > As long as there is a place where we can see the release changes (not `git log`) I'm happy it to be anywhere. However https://mirage.io/releases/ is looking at the GitHub release and I prefer to have it as a file in the repo to be able to grep it for API changes (very useful when updating opam dependency constraints), so I try to maintain both. As a library user I also want to be able to consult them through opam (see [1,2]). Besides I still think that one should strive to remain as independent as possible from github's infrastructure (and this especially now that they made it clear that they have an opinion about what kind of words you should use in your repo). Best, Daniel [1] https://github.com/ocaml/opam/issues/1900 [2] https://github.com/ocaml/opam/issues/733 _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 16:17:59 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 16:17:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOplg-0002FY-JO; Mon, 10 Aug 2015 16:17:44 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOplf-0002FT-Ml for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 16:17:43 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 7E/F2-04752-7AEC8C55; Mon, 10 Aug 2015 16:17:43 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-27.messagelabs.com!1439223462!39488771!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5437 invoked from network); 10 Aug 2015 16:17:42 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-3.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Aug 2015 16:17:42 -0000 Received: from [192.168.1.82] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 1d630dd5; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 10 Aug 2015 17:17:41 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <55C5ED9E.8010405@somerandomidiot.com> Date: Mon, 10 Aug 2015 17:17:51 +0100 Message-Id: <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> References: <55C5ED9E.8010405@somerandomidiot.com> To: Mindy Preston X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Thanks for the views, everyone! I've started hacking on the tools and recording notes in: https://github.com/mirage/mirage-www/wiki/OPAM-Aggregation I'll update on the Mirage call on Wednesday with how it all looks. In the meanwhile, if you have opinions on workflows you'd like, please continue to update them here. To answer some specific points: > On 8 Aug 2015, at 12:53, Mindy wrote: > > On 08/07/2015 06:24 PM, Dave Scott wrote: >>> - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. >> This also sounds good. Over in the xapi-project we use an opam-repo-dev for all of our half-baked stuff and hook it into travis builds via the EXTRA_REMOTES environment variable. Seems to work quite well. The only thing is we sometimes forget to do the formal releases or are lazy and just leave things in the unreleased repo. > I'm not sure what Anil means by "only be used for metadata purposes" - does this mean there would be no guarantee that the packages in the remote are internally consistent, i.e. setting it as a remote wouldn't be expected to work? (I have no objection to that, necessarily, but I want to be sure I understand what's proposed.) This is a good point -- one issue with remotes right now is that they are global across switches, and so "pollute" everything that you are working on if they expose broken packages. I think this is a pretty big design flaw in OPAM, and that remotes ought to be switch-local by default. If this were the case, then it wouldn't matter if a particular switch were broken occasionally. With them being global however, we do have to keep them vaguely working. So I was thinking that we could have a "super bleeding edge" remote with working packages that was never intended to be used as a development remote, only as an automated-scripting remote. After that, another remote would be what the current opam-repo-dev contains. >>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. > This may be out of scope, but I'm not in the Mirage organization so I've had to watch a lot of repositories by hand (and I'm certainly still missing some); it would be nice to be able to watch them all automatically. A common dashboard would probably replace most of my need for this (probably modulo e-mail notifications, which I do find useful). Definitely not out of scope. Similarly, I have a tough time seeing activity in mirleft/* for the TLS repositories sometimes. I've recorded this in the wiki page as well. Regarding the changelog discussion, I'll take a closer look at what a detailed changelog will look like. That'll come after the first round of HTML changes though. -a _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 16:17:59 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 16:17:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOplg-0002FY-JO; Mon, 10 Aug 2015 16:17:44 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOplf-0002FT-Ml for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 16:17:43 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 7E/F2-04752-7AEC8C55; Mon, 10 Aug 2015 16:17:43 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-27.messagelabs.com!1439223462!39488771!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5437 invoked from network); 10 Aug 2015 16:17:42 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-3.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Aug 2015 16:17:42 -0000 Received: from [192.168.1.82] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 1d630dd5; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 10 Aug 2015 17:17:41 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <55C5ED9E.8010405@somerandomidiot.com> Date: Mon, 10 Aug 2015 17:17:51 +0100 Message-Id: <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> References: <55C5ED9E.8010405@somerandomidiot.com> To: Mindy Preston X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Thanks for the views, everyone! I've started hacking on the tools and recording notes in: https://github.com/mirage/mirage-www/wiki/OPAM-Aggregation I'll update on the Mirage call on Wednesday with how it all looks. In the meanwhile, if you have opinions on workflows you'd like, please continue to update them here. To answer some specific points: > On 8 Aug 2015, at 12:53, Mindy wrote: > > On 08/07/2015 06:24 PM, Dave Scott wrote: >>> - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. >> This also sounds good. Over in the xapi-project we use an opam-repo-dev for all of our half-baked stuff and hook it into travis builds via the EXTRA_REMOTES environment variable. Seems to work quite well. The only thing is we sometimes forget to do the formal releases or are lazy and just leave things in the unreleased repo. > I'm not sure what Anil means by "only be used for metadata purposes" - does this mean there would be no guarantee that the packages in the remote are internally consistent, i.e. setting it as a remote wouldn't be expected to work? (I have no objection to that, necessarily, but I want to be sure I understand what's proposed.) This is a good point -- one issue with remotes right now is that they are global across switches, and so "pollute" everything that you are working on if they expose broken packages. I think this is a pretty big design flaw in OPAM, and that remotes ought to be switch-local by default. If this were the case, then it wouldn't matter if a particular switch were broken occasionally. With them being global however, we do have to keep them vaguely working. So I was thinking that we could have a "super bleeding edge" remote with working packages that was never intended to be used as a development remote, only as an automated-scripting remote. After that, another remote would be what the current opam-repo-dev contains. >>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. > This may be out of scope, but I'm not in the Mirage organization so I've had to watch a lot of repositories by hand (and I'm certainly still missing some); it would be nice to be able to watch them all automatically. A common dashboard would probably replace most of my need for this (probably modulo e-mail notifications, which I do find useful). Definitely not out of scope. Similarly, I have a tough time seeing activity in mirleft/* for the TLS repositories sometimes. I've recorded this in the wiki page as well. Regarding the changelog discussion, I'll take a closer look at what a detailed changelog will look like. That'll come after the first round of HTML changes though. -a _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 16:31:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 16:31:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOpz3-0002w7-7j; Mon, 10 Aug 2015 16:31:33 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOpz2-0002w2-LH for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 16:31:32 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id FE/96-15765-4E1D8C55; Mon, 10 Aug 2015 16:31:32 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1439224290!37905809!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12021 invoked from network); 10 Aug 2015 16:31:30 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 16:31:30 -0000 Received: by wijp15 with SMTP id p15so142598966wij.0 for ; Mon, 10 Aug 2015 09:31:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Ef0W8uXKm38lTA0DwOvnmKyFfR5VoooiIa7YlOcPZ0o=; b=q5thLzcrc0vMONJGLq6XScpwN7fdHVQpkdOB5CMkIgREqj5KnI/u2dVggGgRatVnfW hrY9LsmnjTi1Ao+zkhhvASGna0aaBXzQgpGsKvFdTwkGzVRjih1+kaaTRcs71Fs1Uq28 xPWKGXpHFvBN7Bt6fALL8kI1ljyZ6ySvEfFntoYlb8H182btjzYqxOYp1+OOk51mOX5c JgmzwS43AcoyUxcfgWea/RfmIcMG2oNQwY1WeamPLnKCPQc/ym71/1IlFeBy84qG0miY ElfMvWL1EiM6IOBUYKFIBgrpIxEnVkrEcZd11YJUNDifLgIL0lvRExZRuW5PkQODryHM SAjg== X-Received: by 10.180.97.33 with SMTP id dx1mr14174961wib.17.1439224290490; Mon, 10 Aug 2015 09:31:30 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id lq9sm30208562wjb.35.2015.08.10.09.31.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 09:31:29 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 17:31:30 +0100 Message-Id: <9AEA3B01-C146-4CCF-A241-BEAF3996DD0C@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi Thomas, > First, Irmin seems to be trying to do two things: > > 1. Provide a Git-like API that isn't tied to ocaml-git, and that > provides higher-level functions such as "merge" and > "find-common-ancestor". And a notification mechanism, and transactions. But yes, the merge combinators (that you are not using at all in Cuekeeper :p) are an important part of Irmin. > 2. Use Git to implement a mutable key-value store (by making a commit > each time you update something). > > Secondly, I think the current API makes it too easy to introduce > races. The simplest way to use Irmin is roughly: Yes, the idea is to provide an API similar to the the usual mutable key-value store that users already know, but with a way to efficiently fork and merge parallel universes to handle concurrency in a safe way. So yes, if you are using the mutable key-value store API without using the branches, you are deemed to have the usual problems with concurrency. I agree that this is not very well expressed in the current API, so I'll try to improve that in the next version. > I feel that the key-value store is just one possible use of Irmin and > should be an optional component built on top of it. For CueKeeper at > least, I found it easier to think in terms of immutable trees and > commits rather than mutable key-value stores. CueKeeper's Irmin > wrapper is really more of an "unwrapper". Yes, I think the Git data-model is really great to express all of various sort of concurrency models (and we don't really know yet which one is the best one, although exposing the immutability has lots of appeals to me), so I really like Irmin to continue to be the basis for experimenting on this. I'm already quite happy to see that a lot of different use-cases (IMAP, ARP, XenStore, Graph databases, multi-tabs browser apps, distributed builder, etc.) fit into that model more or less naturally (which sometimes requires some complete rewrite of parts of Irmin...) so I'll continue to improve the API to have more crazy version-controlled applications in the future :-) > Anyway, thanks for looking into this! Hopefully there's something of > use in the above... That's very useful, thanks! Thomas _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 16:31:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 16:31:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOpz3-0002w7-7j; Mon, 10 Aug 2015 16:31:33 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOpz2-0002w2-LH for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 16:31:32 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id FE/96-15765-4E1D8C55; Mon, 10 Aug 2015 16:31:32 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1439224290!37905809!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12021 invoked from network); 10 Aug 2015 16:31:30 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 16:31:30 -0000 Received: by wijp15 with SMTP id p15so142598966wij.0 for ; Mon, 10 Aug 2015 09:31:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Ef0W8uXKm38lTA0DwOvnmKyFfR5VoooiIa7YlOcPZ0o=; b=q5thLzcrc0vMONJGLq6XScpwN7fdHVQpkdOB5CMkIgREqj5KnI/u2dVggGgRatVnfW hrY9LsmnjTi1Ao+zkhhvASGna0aaBXzQgpGsKvFdTwkGzVRjih1+kaaTRcs71Fs1Uq28 xPWKGXpHFvBN7Bt6fALL8kI1ljyZ6ySvEfFntoYlb8H182btjzYqxOYp1+OOk51mOX5c JgmzwS43AcoyUxcfgWea/RfmIcMG2oNQwY1WeamPLnKCPQc/ym71/1IlFeBy84qG0miY ElfMvWL1EiM6IOBUYKFIBgrpIxEnVkrEcZd11YJUNDifLgIL0lvRExZRuW5PkQODryHM SAjg== X-Received: by 10.180.97.33 with SMTP id dx1mr14174961wib.17.1439224290490; Mon, 10 Aug 2015 09:31:30 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id lq9sm30208562wjb.35.2015.08.10.09.31.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 09:31:29 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Mon, 10 Aug 2015 17:31:30 +0100 Message-Id: <9AEA3B01-C146-4CCF-A241-BEAF3996DD0C@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi Thomas, > First, Irmin seems to be trying to do two things: > > 1. Provide a Git-like API that isn't tied to ocaml-git, and that > provides higher-level functions such as "merge" and > "find-common-ancestor". And a notification mechanism, and transactions. But yes, the merge combinators (that you are not using at all in Cuekeeper :p) are an important part of Irmin. > 2. Use Git to implement a mutable key-value store (by making a commit > each time you update something). > > Secondly, I think the current API makes it too easy to introduce > races. The simplest way to use Irmin is roughly: Yes, the idea is to provide an API similar to the the usual mutable key-value store that users already know, but with a way to efficiently fork and merge parallel universes to handle concurrency in a safe way. So yes, if you are using the mutable key-value store API without using the branches, you are deemed to have the usual problems with concurrency. I agree that this is not very well expressed in the current API, so I'll try to improve that in the next version. > I feel that the key-value store is just one possible use of Irmin and > should be an optional component built on top of it. For CueKeeper at > least, I found it easier to think in terms of immutable trees and > commits rather than mutable key-value stores. CueKeeper's Irmin > wrapper is really more of an "unwrapper". Yes, I think the Git data-model is really great to express all of various sort of concurrency models (and we don't really know yet which one is the best one, although exposing the immutability has lots of appeals to me), so I really like Irmin to continue to be the basis for experimenting on this. I'm already quite happy to see that a lot of different use-cases (IMAP, ARP, XenStore, Graph databases, multi-tabs browser apps, distributed builder, etc.) fit into that model more or less naturally (which sometimes requires some complete rewrite of parts of Irmin...) so I'll continue to improve the API to have more crazy version-controlled applications in the future :-) > Anyway, thanks for looking into this! Hopefully there's something of > use in the above... That's very useful, thanks! Thomas _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 16:34:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 16:34:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOq1k-0002yW-Sn; Mon, 10 Aug 2015 16:34:20 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOq1j-0002yO-Pe for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 16:34:19 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id D6/4C-03819-B82D8C55; Mon, 10 Aug 2015 16:34:19 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1439224458!27021541!1 X-Originating-IP: [209.85.212.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27889 invoked from network); 10 Aug 2015 16:34:18 -0000 Received: from mail-wi0-f169.google.com (HELO mail-wi0-f169.google.com) (209.85.212.169) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 16:34:18 -0000 Received: by wijp15 with SMTP id p15so142696781wij.0 for ; Mon, 10 Aug 2015 09:34:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=UWvnUql+on9aQAmVek8eOb7KpCKLbyx0nvWpB7fJ8sQ=; b=08HoYdvRHeQWo+ju5Xw6NJC0ambUCbBpFqkCjhmxlMVyJJhbA15H80AG6V4LpxImQr yQ1mwVWqxVrt46rfjVgPzxWzXQSofDYXIZbzelEe3+Rdvb+FFaZ5N3YwFDMu+B07P2KR +gtdVSli9jjREo1XoNnNgI3krwRpNPU5jEjeZew618bKhITmgcFUMUBaBHoSD2Qv2TBU om6Y03prYgKx2TI0x8+Ye+RuVaujmT8Cdbr3E/lgkY5XvvccA1d45lTGq+ig0cbYXXpl 9ROIuVv9MXhClTGdnnCclEcyjoWtQrEEgXqd/bieomxkFzmdJ+DFoL3y0pfQwzlyQKap ZLKw== X-Received: by 10.180.37.33 with SMTP id v1mr26753757wij.88.1439224458378; Mon, 10 Aug 2015 09:34:18 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id lq9sm30219714wjb.35.2015.08.10.09.34.17 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 09:34:17 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <55C8A088.1080804@somerandomidiot.com> Date: Mon, 10 Aug 2015 17:34:19 +0100 Message-Id: <063DBA7F-186A-489C-B791-D681CD35894E@gazagnaire.org> References: <55C8A088.1080804@somerandomidiot.com> To: Mindy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Please go ahead and change the API again :p ok, I'll do it happily then. Thanks for the feedback :-) _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 16:34:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 16:34:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOq1k-0002yW-Sn; Mon, 10 Aug 2015 16:34:20 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOq1j-0002yO-Pe for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 16:34:19 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id D6/4C-03819-B82D8C55; Mon, 10 Aug 2015 16:34:19 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1439224458!27021541!1 X-Originating-IP: [209.85.212.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27889 invoked from network); 10 Aug 2015 16:34:18 -0000 Received: from mail-wi0-f169.google.com (HELO mail-wi0-f169.google.com) (209.85.212.169) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 16:34:18 -0000 Received: by wijp15 with SMTP id p15so142696781wij.0 for ; Mon, 10 Aug 2015 09:34:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=UWvnUql+on9aQAmVek8eOb7KpCKLbyx0nvWpB7fJ8sQ=; b=08HoYdvRHeQWo+ju5Xw6NJC0ambUCbBpFqkCjhmxlMVyJJhbA15H80AG6V4LpxImQr yQ1mwVWqxVrt46rfjVgPzxWzXQSofDYXIZbzelEe3+Rdvb+FFaZ5N3YwFDMu+B07P2KR +gtdVSli9jjREo1XoNnNgI3krwRpNPU5jEjeZew618bKhITmgcFUMUBaBHoSD2Qv2TBU om6Y03prYgKx2TI0x8+Ye+RuVaujmT8Cdbr3E/lgkY5XvvccA1d45lTGq+ig0cbYXXpl 9ROIuVv9MXhClTGdnnCclEcyjoWtQrEEgXqd/bieomxkFzmdJ+DFoL3y0pfQwzlyQKap ZLKw== X-Received: by 10.180.37.33 with SMTP id v1mr26753757wij.88.1439224458378; Mon, 10 Aug 2015 09:34:18 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by smtp.gmail.com with ESMTPSA id lq9sm30219714wjb.35.2015.08.10.09.34.17 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 10 Aug 2015 09:34:17 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <55C8A088.1080804@somerandomidiot.com> Date: Mon, 10 Aug 2015 17:34:19 +0100 Message-Id: <063DBA7F-186A-489C-B791-D681CD35894E@gazagnaire.org> References: <55C8A088.1080804@somerandomidiot.com> To: Mindy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Please go ahead and change the API again :p ok, I'll do it happily then. Thanks for the feedback :-) _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 17:37:55 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 17:37:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOr12-0007Q1-02; Mon, 10 Aug 2015 17:37:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOr10-0007Pw-UD for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 17:37:39 +0000 Received: from [85.158.137.68] by server-15.bemta-3.messagelabs.com id 40/E1-12946-161E8C55; Mon, 10 Aug 2015 17:37:37 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1439228257!33839111!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4260 invoked from network); 10 Aug 2015 17:37:37 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 17:37:37 -0000 Received: by wicne3 with SMTP id ne3so31090112wic.0 for ; Mon, 10 Aug 2015 10:37:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=vFXXMav3Y7bLsftTIP9lXMqPBt88G1uhgSuCfBoIoH8=; b=UbkfsoSX1MA0oW9wLWuR5b5k/+3UJ3By9wsOJzGZi6sP1DHHbcinA2MYXMPcTA4uHf KIfolOW0XOsL2fg1Gsep29TMUo2pFlGiSz7M0n2y2kbBauSGT1s/epgqqtNc3daWDAHK cETLxH4Gsw3UvDWN5ZQfMaUJTtWoYSmL0ez9LMxCOi+je211dZ6+zTotUNbbqMI3Rba/ qUpwALRZftywka4k3yGn9//T99fU1E/xsIrXE9papL1K5Waxk/G6nutFcd9hFzEqqkRy Zqto/FWC7pQHTN5D4Q52gcM0sW9VQp0P+z0t2XWxfzNmGvHvjDBiTfDSHCxG78x8n63x QINg== X-Received: by 10.180.78.98 with SMTP id a2mr26916856wix.50.1439228256706; Mon, 10 Aug 2015 10:37:36 -0700 (PDT) Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com. [209.85.212.180]) by smtp.gmail.com with ESMTPSA id fq15sm30517879wjc.12.2015.08.10.10.37.35 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Aug 2015 10:37:36 -0700 (PDT) Received: by wicja10 with SMTP id ja10so46002669wic.1 for ; Mon, 10 Aug 2015 10:37:35 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.194.123.4 with SMTP id lw4mr44785315wjb.94.1439228255343; Mon, 10 Aug 2015 10:37:35 -0700 (PDT) Received: by 10.28.130.21 with HTTP; Mon, 10 Aug 2015 10:37:35 -0700 (PDT) In-Reply-To: References: Date: Mon, 10 Aug 2015 18:37:35 +0100 Message-ID: From: Richard Mortier To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMyBBdWd1c3QgMjAxNSBhdCAxMjowNCwgRGF2ZSBTY290dCA8RGF2ZS5TY290dEBjaXRyaXgu Y29tPiB3cm90ZToKPiBUaGUgaW1wbGVtZW50YXRpb24gd2lsbCB0YXIgdXAgdGhlIGRpcmVjdG9y eSB5b3UgZ2l2ZSBpdCwgYW5kIGFkZCBhIGJsb2NrIGRldmljZSB0byB0aGUgVk0gY29uZmlndXJh dGlvbi4gVGFrZSBhIGxvb2sgYXQgdGhlIGdlbmVyYXRlZCAueGwgY29uZmlnIGZpbGUgdG8gc2Vl IHRoZSBnZW5lcmF0ZWQgYGRpc2tgIHNlY3Rpb24uIFdoZW4gdGhlIFZNIHN0YXJ0cyBpdCB3aWxs IHNjYW4gb25jZSB0aHJvdWdoIHRoZSBhcmNoaXZlIGFuZCBidWlsZCBhbiBpbmRleCBvZiBmaWxl IC0+IG9mZnNldCBpbiB0aGUgdGFyIHN0cmVhbS4gQWxsIHJlYWRzIG9mIHRoZSBkYXRhIHdpbGwg YmUgZG9uZSB2aWEgdGhlIGJsb2NrIGludGVyZmFjZSwgYXZvaWRpbmcgY2FjaGluZyB0aGVtIGlu IG1lbW9yeS4KPgo+IEl04oCZcyBhbHNvIHBvc3NpYmxlIHRvIHVzZSB0aGUgRkFUIGZpbGVzeXN0 ZW0gZHJpdmVyIGJ1dCB0aGUgKGRyaXZlcikgY29kZSBpcyBhIGJpdCBtb3JlIGNvbXBsaWNhdGVk IGFuZCBoYXMga25vd24gYnVncyAobWFpbmx5IGNvbmN1cnJlbmN5IG9uZXMgd2hpY2ggbWlnaHQg bm90IG1hdHRlciBpZiB5b3VyIGRhdGEgaXMgcmVhZCBvbmx5KS4KPgoKQXQgbGVhc3Qgb25lIG90 aGVyIGlzc3VlIHdpdGggdGhlIH5GQVQgZmlsZXN5c3RlbSB0aGF0IEkgcmVjYWxsIHdhcwp0aGUg bGltaXQgb24gZmlsZXN5c3RlbSBzaXplLgpXaGF0J3MgdGhlIGxpbWl0IG9uIHRoZSB0YXIgYXJj aGl2ZSBhcHByb2FjaD8KCi0tIApSaWNoYXJkIE1vcnRpZXIKcmljaGFyZC5tb3J0aWVyQGNsLmNh bS5hYy51awoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K TWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2pl Y3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGlu Zm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Mon Aug 10 17:37:55 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 10 Aug 2015 17:37:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOr12-0007Q1-02; Mon, 10 Aug 2015 17:37:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZOr10-0007Pw-UD for mirageos-devel@lists.xenproject.org; Mon, 10 Aug 2015 17:37:39 +0000 Received: from [85.158.137.68] by server-15.bemta-3.messagelabs.com id 40/E1-12946-161E8C55; Mon, 10 Aug 2015 17:37:37 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1439228257!33839111!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4260 invoked from network); 10 Aug 2015 17:37:37 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Aug 2015 17:37:37 -0000 Received: by wicne3 with SMTP id ne3so31090112wic.0 for ; Mon, 10 Aug 2015 10:37:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=vFXXMav3Y7bLsftTIP9lXMqPBt88G1uhgSuCfBoIoH8=; b=UbkfsoSX1MA0oW9wLWuR5b5k/+3UJ3By9wsOJzGZi6sP1DHHbcinA2MYXMPcTA4uHf KIfolOW0XOsL2fg1Gsep29TMUo2pFlGiSz7M0n2y2kbBauSGT1s/epgqqtNc3daWDAHK cETLxH4Gsw3UvDWN5ZQfMaUJTtWoYSmL0ez9LMxCOi+je211dZ6+zTotUNbbqMI3Rba/ qUpwALRZftywka4k3yGn9//T99fU1E/xsIrXE9papL1K5Waxk/G6nutFcd9hFzEqqkRy Zqto/FWC7pQHTN5D4Q52gcM0sW9VQp0P+z0t2XWxfzNmGvHvjDBiTfDSHCxG78x8n63x QINg== X-Received: by 10.180.78.98 with SMTP id a2mr26916856wix.50.1439228256706; Mon, 10 Aug 2015 10:37:36 -0700 (PDT) Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com. [209.85.212.180]) by smtp.gmail.com with ESMTPSA id fq15sm30517879wjc.12.2015.08.10.10.37.35 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Aug 2015 10:37:36 -0700 (PDT) Received: by wicja10 with SMTP id ja10so46002669wic.1 for ; Mon, 10 Aug 2015 10:37:35 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.194.123.4 with SMTP id lw4mr44785315wjb.94.1439228255343; Mon, 10 Aug 2015 10:37:35 -0700 (PDT) Received: by 10.28.130.21 with HTTP; Mon, 10 Aug 2015 10:37:35 -0700 (PDT) In-Reply-To: References: Date: Mon, 10 Aug 2015 18:37:35 +0100 Message-ID: From: Richard Mortier To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Deploying unikernels with files as arguments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMyBBdWd1c3QgMjAxNSBhdCAxMjowNCwgRGF2ZSBTY290dCA8RGF2ZS5TY290dEBjaXRyaXgu Y29tPiB3cm90ZToKPiBUaGUgaW1wbGVtZW50YXRpb24gd2lsbCB0YXIgdXAgdGhlIGRpcmVjdG9y eSB5b3UgZ2l2ZSBpdCwgYW5kIGFkZCBhIGJsb2NrIGRldmljZSB0byB0aGUgVk0gY29uZmlndXJh dGlvbi4gVGFrZSBhIGxvb2sgYXQgdGhlIGdlbmVyYXRlZCAueGwgY29uZmlnIGZpbGUgdG8gc2Vl IHRoZSBnZW5lcmF0ZWQgYGRpc2tgIHNlY3Rpb24uIFdoZW4gdGhlIFZNIHN0YXJ0cyBpdCB3aWxs IHNjYW4gb25jZSB0aHJvdWdoIHRoZSBhcmNoaXZlIGFuZCBidWlsZCBhbiBpbmRleCBvZiBmaWxl IC0+IG9mZnNldCBpbiB0aGUgdGFyIHN0cmVhbS4gQWxsIHJlYWRzIG9mIHRoZSBkYXRhIHdpbGwg YmUgZG9uZSB2aWEgdGhlIGJsb2NrIGludGVyZmFjZSwgYXZvaWRpbmcgY2FjaGluZyB0aGVtIGlu IG1lbW9yeS4KPgo+IEl04oCZcyBhbHNvIHBvc3NpYmxlIHRvIHVzZSB0aGUgRkFUIGZpbGVzeXN0 ZW0gZHJpdmVyIGJ1dCB0aGUgKGRyaXZlcikgY29kZSBpcyBhIGJpdCBtb3JlIGNvbXBsaWNhdGVk IGFuZCBoYXMga25vd24gYnVncyAobWFpbmx5IGNvbmN1cnJlbmN5IG9uZXMgd2hpY2ggbWlnaHQg bm90IG1hdHRlciBpZiB5b3VyIGRhdGEgaXMgcmVhZCBvbmx5KS4KPgoKQXQgbGVhc3Qgb25lIG90 aGVyIGlzc3VlIHdpdGggdGhlIH5GQVQgZmlsZXN5c3RlbSB0aGF0IEkgcmVjYWxsIHdhcwp0aGUg bGltaXQgb24gZmlsZXN5c3RlbSBzaXplLgpXaGF0J3MgdGhlIGxpbWl0IG9uIHRoZSB0YXIgYXJj aGl2ZSBhcHByb2FjaD8KCi0tIApSaWNoYXJkIE1vcnRpZXIKcmljaGFyZC5tb3J0aWVyQGNsLmNh bS5hYy51awoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K TWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2pl Y3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGlu Zm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Tue Aug 11 20:21:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 11 Aug 2015 20:21:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPG3A-0007Ac-6z; 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Tue, 11 Aug 2015 21:21:28 +0100 From: Amir Chaudhry Message-Id: <38842A9C-C11D-4AFB-B9A4-778FC5397B72@cam.ac.uk> Date: Tue, 11 Aug 2015 21:21:31 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Mirage fortnightly call - Wednesday 12th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2UgY2FsbCB3aWxsIHRha2UgcGxhY2Ugb24gV2VkbmVz ZGF5IGFmdGVybm9vbiBhdCA0cG0gQlNUIGFuZCBpcyBvcGVuIHRvIGFsbC4gIFdlJ2xsIGJlIG9u IEdvVG9NZWV0aW5nLgoKSWYgdGhlcmUgYXJlIGFueSBoaWNjdXBzL2RlbGF5cyB0aGVuIEknbGwg c3dpdGNoIHRvIGEgcHVibGljIEdvb2dsZSBIYW5nb3V0LiAgSWYgdGhhdCBoYXBwZW5zLCBJJ2xs IHBvc3QgdGhlIGxpbmsgaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNoYW5uZWwgKCNtaXJhZ2Ug b24gZnJlZW5vZGUpLgoKSWYgeW91IGhhdmUgdGhpbmdzIHRvIGFkZC9lZGl0IHRvIHRoZSBhZ2Vu ZGEsIHBsZWFzZSBkbyBzbyBhdCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS13d3cv d2lraS9DYWxsLUFnZW5kYQoKSm9pbiB1cyBhdCA0cG0gQlNUIG9uIFdlZG5lc2RheSEKCuKAoiBK b2luIHRoZSBtZWV0aW5nIGZyb20geW91ciBjb21wdXRlciwgdGFibGV0IG9yIHNtYXJ0cGhvbmUu Cmh0dHBzOi8vZ2xvYmFsLmdvdG9tZWV0aW5nLmNvbS9qb2luLzI1MDQ0MjA3NwoK4oCiIFlvdSBj YW4gYWxzbyBkaWFsIGluIHVzaW5nIHlvdXIgcGhvbmUuClVLOiArNDQgKDApIDMzMCAyMjEgMDA4 OApVUzogKzEgKDY0NikgNzQ5LTMxMjkKQWNjZXNzIENvZGU6IDI1MC00NDItMDc3IApNb3JlIHBo b25lIG51bWJlcnM6IGh0dHBzOi8vZ2xvYmFsLmdvdG9tZWV0aW5nLmNvbS8yNTA0NDIwNzcvbnVt YmVyc2Rpc3BsYXkuaHRtbAoKQmVzdCB3aXNoZXMsCkFtaXIKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Tue Aug 11 20:21:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 11 Aug 2015 20:21:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPG3A-0007Ac-6z; 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Tue, 11 Aug 2015 21:21:28 +0100 From: Amir Chaudhry Message-Id: <38842A9C-C11D-4AFB-B9A4-778FC5397B72@cam.ac.uk> Date: Tue, 11 Aug 2015 21:21:31 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] Mirage fortnightly call - Wednesday 12th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2UgY2FsbCB3aWxsIHRha2UgcGxhY2Ugb24gV2VkbmVz ZGF5IGFmdGVybm9vbiBhdCA0cG0gQlNUIGFuZCBpcyBvcGVuIHRvIGFsbC4gIFdlJ2xsIGJlIG9u IEdvVG9NZWV0aW5nLgoKSWYgdGhlcmUgYXJlIGFueSBoaWNjdXBzL2RlbGF5cyB0aGVuIEknbGwg c3dpdGNoIHRvIGEgcHVibGljIEdvb2dsZSBIYW5nb3V0LiAgSWYgdGhhdCBoYXBwZW5zLCBJJ2xs IHBvc3QgdGhlIGxpbmsgaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNoYW5uZWwgKCNtaXJhZ2Ug b24gZnJlZW5vZGUpLgoKSWYgeW91IGhhdmUgdGhpbmdzIHRvIGFkZC9lZGl0IHRvIHRoZSBhZ2Vu ZGEsIHBsZWFzZSBkbyBzbyBhdCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS13d3cv d2lraS9DYWxsLUFnZW5kYQoKSm9pbiB1cyBhdCA0cG0gQlNUIG9uIFdlZG5lc2RheSEKCuKAoiBK b2luIHRoZSBtZWV0aW5nIGZyb20geW91ciBjb21wdXRlciwgdGFibGV0IG9yIHNtYXJ0cGhvbmUu Cmh0dHBzOi8vZ2xvYmFsLmdvdG9tZWV0aW5nLmNvbS9qb2luLzI1MDQ0MjA3NwoK4oCiIFlvdSBj YW4gYWxzbyBkaWFsIGluIHVzaW5nIHlvdXIgcGhvbmUuClVLOiArNDQgKDApIDMzMCAyMjEgMDA4 OApVUzogKzEgKDY0NikgNzQ5LTMxMjkKQWNjZXNzIENvZGU6IDI1MC00NDItMDc3IApNb3JlIHBo b25lIG51bWJlcnM6IGh0dHBzOi8vZ2xvYmFsLmdvdG9tZWV0aW5nLmNvbS8yNTA0NDIwNzcvbnVt YmVyc2Rpc3BsYXkuaHRtbAoKQmVzdCB3aXNoZXMsCkFtaXIKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Aug 12 10:01:58 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 12 Aug 2015 10:01:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPSr0-0002CK-E5; Wed, 12 Aug 2015 10:01:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPSqy-0002C6-51 for mirageos-devel@lists.xenproject.org; Wed, 12 Aug 2015 10:01:48 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id AA/7C-25435-A891BC55; Wed, 12 Aug 2015 10:01:46 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1439373704!21322599!1 X-Originating-IP: [209.85.213.42] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21288 invoked from network); 12 Aug 2015 10:01:45 -0000 Received: from mail-vk0-f42.google.com (HELO mail-vk0-f42.google.com) (209.85.213.42) by server-15.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 12 Aug 2015 10:01:45 -0000 Received: by vkfi73 with SMTP id i73so4199837vkf.2 for ; Wed, 12 Aug 2015 03:01:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=U6k1hTIhs0ZVPn3/Prg/AzHMdyzTuKof2VkPwcNLmH8=; b=oR7ZxwpoavbbDRhWy1/TmsD7+lgrRFkwPlpbstXM7RSakCDOdr1GYYzc6Bo7tNGv34 aTtAHHxo1FJp7BsTiMFyFSzsn6+MzQwWD54n+UBc3+iM+cYU6Y8QrXJ4A2LJ/ETFSDmC LzoWc3Bp6gCWlQ8iUW7w5Lc34R2XEe/rk4jnkkkwGv2aX70fzTSM+wRyVYoLWg3m38l+ mcflyYSwk6J+etw/TB3NkkZ69PBCnXFDoSIv2wLDPP6tovLrqrhB8eTYzKQrfdc8G1AP 7SYOopJ+s+hUOxrDjSV082SwRJQ/YHzsOQ4P8iowicX5rLWjIHgnmASmSyYY3WsPVfNV 3UDg== MIME-Version: 1.0 X-Received: by 10.52.69.175 with SMTP id f15mr39902788vdu.5.1439373704619; Wed, 12 Aug 2015 03:01:44 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Wed, 12 Aug 2015 03:01:44 -0700 (PDT) In-Reply-To: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> Date: Wed, 12 Aug 2015 11:01:44 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 August 2015 at 17:01, Thomas Gazagnaire wrote: >> The browser side uses irmin-indexeddb, which uses Irmin's native >> (non-Git) format, so the server needs to use that too. Does this work >> yet? >> >> I see that Irmin_fs requires an IO module that provides filesystem >> operations, but it doesn't quite match the mirage FS type. Has anyone >> made an adaptor already? > > Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). > > I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. That sounds useful! I'm looking at updating irmin-indexeddb to use the Git format now. It looks like there are two ways I could do this: 1. Implement Git.FS.IO for IndexedDB and let ocaml-git use this virtual filesystem. Then implement Git.Sync.IO and Irmin_git.LOCK and use that with Irmin_git.FS. 2. Expose Irmin_git.XContents, XCommit and XNode and use that with Irmin.Make. The first looks a bit ugly, especially regarding locking. It would involve cross-tab notifications using HTML storage, atomic operations using IndexedDB and some recovery mechanism for dealing with closed tabs. All of which seems like overkill, since Irmin_git would only use these primitives to implement database transactions, which we have already (e.g. we'd be using a database transaction to create a lock-file to protect a Git transaction). So, does exposing Irmin_git.XContents, XCommit and XNode sound reasonable? Irmin-IndexedDB would still be writing directly to the "ao" database table as before, but the blobs would be in Git format, so the SHA1 sums would match, and it should then be possible to sync between the browser and a regular Git repository without rebasing everything. > Thomas > > [1]: https://github.com/mirage/ocaml-git/blob/master/lib/mirage/git_mirage.ml#L27 > [2]: https://github.com/mirage/ocaml-git/pull/115 > > >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 12 10:01:58 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 12 Aug 2015 10:01:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPSr0-0002CK-E5; Wed, 12 Aug 2015 10:01:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPSqy-0002C6-51 for mirageos-devel@lists.xenproject.org; Wed, 12 Aug 2015 10:01:48 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id AA/7C-25435-A891BC55; Wed, 12 Aug 2015 10:01:46 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1439373704!21322599!1 X-Originating-IP: [209.85.213.42] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21288 invoked from network); 12 Aug 2015 10:01:45 -0000 Received: from mail-vk0-f42.google.com (HELO mail-vk0-f42.google.com) (209.85.213.42) by server-15.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 12 Aug 2015 10:01:45 -0000 Received: by vkfi73 with SMTP id i73so4199837vkf.2 for ; Wed, 12 Aug 2015 03:01:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=U6k1hTIhs0ZVPn3/Prg/AzHMdyzTuKof2VkPwcNLmH8=; b=oR7ZxwpoavbbDRhWy1/TmsD7+lgrRFkwPlpbstXM7RSakCDOdr1GYYzc6Bo7tNGv34 aTtAHHxo1FJp7BsTiMFyFSzsn6+MzQwWD54n+UBc3+iM+cYU6Y8QrXJ4A2LJ/ETFSDmC LzoWc3Bp6gCWlQ8iUW7w5Lc34R2XEe/rk4jnkkkwGv2aX70fzTSM+wRyVYoLWg3m38l+ mcflyYSwk6J+etw/TB3NkkZ69PBCnXFDoSIv2wLDPP6tovLrqrhB8eTYzKQrfdc8G1AP 7SYOopJ+s+hUOxrDjSV082SwRJQ/YHzsOQ4P8iowicX5rLWjIHgnmASmSyYY3WsPVfNV 3UDg== MIME-Version: 1.0 X-Received: by 10.52.69.175 with SMTP id f15mr39902788vdu.5.1439373704619; Wed, 12 Aug 2015 03:01:44 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Wed, 12 Aug 2015 03:01:44 -0700 (PDT) In-Reply-To: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> Date: Wed, 12 Aug 2015 11:01:44 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 August 2015 at 17:01, Thomas Gazagnaire wrote: >> The browser side uses irmin-indexeddb, which uses Irmin's native >> (non-Git) format, so the server needs to use that too. Does this work >> yet? >> >> I see that Irmin_fs requires an IO module that provides filesystem >> operations, but it doesn't quite match the mirage FS type. Has anyone >> made an adaptor already? > > Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). > > I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. That sounds useful! I'm looking at updating irmin-indexeddb to use the Git format now. It looks like there are two ways I could do this: 1. Implement Git.FS.IO for IndexedDB and let ocaml-git use this virtual filesystem. Then implement Git.Sync.IO and Irmin_git.LOCK and use that with Irmin_git.FS. 2. Expose Irmin_git.XContents, XCommit and XNode and use that with Irmin.Make. The first looks a bit ugly, especially regarding locking. It would involve cross-tab notifications using HTML storage, atomic operations using IndexedDB and some recovery mechanism for dealing with closed tabs. All of which seems like overkill, since Irmin_git would only use these primitives to implement database transactions, which we have already (e.g. we'd be using a database transaction to create a lock-file to protect a Git transaction). So, does exposing Irmin_git.XContents, XCommit and XNode sound reasonable? Irmin-IndexedDB would still be writing directly to the "ao" database table as before, but the blobs would be in Git format, so the SHA1 sums would match, and it should then be possible to sync between the browser and a regular Git repository without rebasing everything. > Thomas > > [1]: https://github.com/mirage/ocaml-git/blob/master/lib/mirage/git_mirage.ml#L27 > [2]: https://github.com/mirage/ocaml-git/pull/115 > > >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 12 22:11:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 12 Aug 2015 22:11:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPeF2-0005jG-W2; Wed, 12 Aug 2015 22:11:24 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPeF2-0005jB-BI for mirageos-devel@lists.xenproject.org; Wed, 12 Aug 2015 22:11:24 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 9D/42-01421-A84CBC55; Wed, 12 Aug 2015 22:11:22 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-8.tower-31.messagelabs.com!1439417481!34537405!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3512 invoked from network); 12 Aug 2015 22:11:21 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-8.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Aug 2015 22:11:21 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from cpc21-cmbg14-2-0-cust311.5-4.cable.virginm.net ([86.6.27.56]:35029 helo=[10.0.1.8]) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:25) with esmtpsa (PLAIN:amc79) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZPeEy-0002iz-mD (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 12 Aug 2015 23:11:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Amir Chaudhry In-Reply-To: Date: Wed, 12 Aug 2015 23:11:19 +0100 Message-Id: <6F91D9A5-1B10-48E7-8089-BD6F84D328F9@cam.ac.uk> References: To: mirageos-devel X-Mailer: Apple Mail (2.2102) Subject: Re: [MirageOS-devel] Rust unikernels X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGkgZm9sa3MsIAoKQWZ0ZXIgYSBmZXcgdHdpdHRlciBtZXNzYWdlcywgdGhlcmXigJlzIG5vdyBh bHNvIGEgdGhyZWFkIG9uIHRoZSBSdXN0IGZvcnVtIGFib3V0IFVuaWtlcm5lbHMgKHdoaWNoIHJl ZmVyZW5jZXMgdGhpcyB0aHJlYWQpLgoKaHR0cHM6Ly9pbnRlcm5hbHMucnVzdC1sYW5nLm9yZy90 L3VuaWtlcm5lbHMtaW4tcnVzdC8yNDk0CgpKdXN0IHNvIHlvdSBrbm93LCB0aGUgUnVzdCB0ZWFt IGlzIGFsc28gaW50ZXJlc3RlZCBpbiBtYWtpbmcgdGhpcyB1c2UtY2FzZSBlYXNpZXIgYW5kIHdv dWxkIHdlbGNvbWUgaW5wdXQuCmh0dHBzOi8vdHdpdHRlci5jb20vcnVzdGxhbmcvc3RhdHVzLzYz MTE1MDY2MTQ4NTM1OTEwNApodHRwczovL3R3aXR0ZXIuY29tL3J1c3RsYW5nL3N0YXR1cy82MzEx 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<6F91D9A5-1B10-48E7-8089-BD6F84D328F9@cam.ac.uk> References: To: mirageos-devel X-Mailer: Apple Mail (2.2102) Subject: Re: [MirageOS-devel] Rust unikernels X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGkgZm9sa3MsIAoKQWZ0ZXIgYSBmZXcgdHdpdHRlciBtZXNzYWdlcywgdGhlcmXigJlzIG5vdyBh bHNvIGEgdGhyZWFkIG9uIHRoZSBSdXN0IGZvcnVtIGFib3V0IFVuaWtlcm5lbHMgKHdoaWNoIHJl ZmVyZW5jZXMgdGhpcyB0aHJlYWQpLgoKaHR0cHM6Ly9pbnRlcm5hbHMucnVzdC1sYW5nLm9yZy90 L3VuaWtlcm5lbHMtaW4tcnVzdC8yNDk0CgpKdXN0IHNvIHlvdSBrbm93LCB0aGUgUnVzdCB0ZWFt IGlzIGFsc28gaW50ZXJlc3RlZCBpbiBtYWtpbmcgdGhpcyB1c2UtY2FzZSBlYXNpZXIgYW5kIHdv dWxkIHdlbGNvbWUgaW5wdXQuCmh0dHBzOi8vdHdpdHRlci5jb20vcnVzdGxhbmcvc3RhdHVzLzYz 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b2sgcXVpdGUgbmFpdmUsIGJ1dCBhcyBJIHNhaWQsIHRoYXQncyBhIHZlcnkgcm91Z2ggcGxhbgo+ IGZvciBzb21ldGhpbmcgdGhhdCBjb3VsZCB0YWtlIHllYXJzLiBBcyBmb3IgdGhlIHNraWxscyBu ZWVkZWQ6Cj4gLSB3cml0aW5nIGRyaXZlcnMgYW5kIHNjaGVkdWxlcnMKPiAtIGRldmVsb3Bpbmcg bmV0d29yayBzdGFja3MgKHRoZXJlIGFyZSBwcm9qZWN0cyBsaWtlCj4gaHR0cHM6Ly9naXRodWIu Y29tL2xpYnBuZXQvbGlicG5ldCB3aGljaCBjb3VsZCBiZSBpbnRlZ3JhdGVkKQo+IC0gaW1wbGVt ZW50aW5nIFJ1c3QgbGlic3RkIEFQSXMKPiAtIHRlc3RpbmcgYW5kIHRvb2xpbmcgaW5kdXN0cmlh bGl6YXRpb24KPiAKPiBXaGF0IHdvdWxkIHlvdSB0aGluayBvZiB0aGlzIHByb2plY3Q/IFdoYXQg d291bGQgaW5jcmVhc2UgaXRzIGNoYW5jZXMKPiBvZiBzdWNjZXNzPyBXaGljaCBzdGVwcyB3aWxs IGJlIHZlcnkgZGlmZmljdWx0Pwo+IAo+IEl0IGNvdWxkIHJlYWxseSBiZW5lZml0IGZyb20gTWly YWdlJ3MgZXhwZXJpZW5jZSA6KQo+IAo+IENoZWVycywKPiAKPiBHZW9mZnJveSBDb3VwcmllCj4g Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBNaXJh Z2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKPiBNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0 Lm9yZwo+IGh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGlu Zm8vbWlyYWdlb3MtZGV2ZWwKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlz dHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFp bG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 12:19:18 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 12:19:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPrTT-0000YT-1U; Thu, 13 Aug 2015 12:19:11 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPrTR-0000YO-BQ for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 12:19:09 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 0A/E8-28221-C3B8CC55; Thu, 13 Aug 2015 12:19:08 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1439468346!40512748!1 X-Originating-IP: [209.85.160.177] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7981 invoked from network); 13 Aug 2015 12:19:07 -0000 Received: from mail-yk0-f177.google.com (HELO mail-yk0-f177.google.com) (209.85.160.177) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 12:19:07 -0000 Received: by ykdt205 with SMTP id t205so39293594ykd.1 for ; Thu, 13 Aug 2015 05:19:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=ompm3ZEWgdPV6B4Sw296a9JHm3bnp6tV0e/zFTu6z34=; b=T6At8yKqvw6q+IsYRzehdlvLPRvV9nmhPephrh+0R7du+22Jr4RHo/+i5z9NnkXPQA 1L5h8JgwPtln1T8XR1+PuVupJWogVCDMzXmd4etDVhFhFhNc6IDpNssec4tbnzFoQo0V r9QplrOHCUw9UzB3jYyFJk/c5lA7sV3tSlK/kmQoJ6hHddgXd2y0Me87TC8zSKP3MW37 2Z9tj4XoagJjnYSoRe9DvptIAL1UF0KqU+RJk3bAU96xA4L8m+WSWzLtxJ2Zv6WCYJmE /qEUNqeK1i4vsNii9o9y4LEvxIr/x1x1rkylYKP/bb2bS1NBPTMqH/T//EqAYkdCDfVQ 2uEQ== X-Gm-Message-State: ALoCoQlT2glNuCykQFS5wIigWjR5CM6RCsi4o9xtcEFcW+b4e6+VmLCb9rI0DXk/PUSD9PlyoIlo MIME-Version: 1.0 X-Received: by 10.129.70.69 with SMTP id t66mr39028580ywa.4.1439468346330; Thu, 13 Aug 2015 05:19:06 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Thu, 13 Aug 2015 05:19:06 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 08:19:06 -0400 Message-ID: From: Len Maxwell To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6136694504664334400==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6136694504664334400== Content-Type: multipart/alternative; boundary=001a114d72967305be051d305778 --001a114d72967305be051d305778 Content-Type: text/plain; charset=UTF-8 On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: > On 6 August 2015 at 00:26, Len Maxwell wrote: > > > > Hi, > > > > After working with minios-xen a bit, I thought I could help with this > > pioneer project. There seem to be significantly fewer C warnings than > the > > last time I looked (months ago). > > That would be very useful! > > Hi, If I start from mirage-platform master (@ 94f01d), and make this change to xen-posix/include/stdio.h: -#define fprintf(x,rest...) printk(rest) +int fprintf(FILE *stream, const char *format, ...) __THROW __attribute__((__format__(__printf__,2,3))); ...it should eliminate a missing prototype warning for printk in xen-ocaml. The package builds OK, but produces link errors when I try to make a unikernel: $ make clean && make [ ... ] ld -d -static -nostdlib \ _build/main.native.o \ -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ $(pkg-config --static --libs mirage-xen) \ /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ -o mir-console.xen /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): In function `caml_array_bound_error': fail.c:(.text+0x2c8): undefined reference to `fwrite' /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): In function `caml_fatal_error': misc.c:(.text+0x42): undefined reference to `fputs' /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): In function `caml_parse_engine': parsing.c:(.text+0x225): undefined reference to `fputs' parsing.c:(.text+0x258): undefined reference to `fputc' parsing.c:(.text+0x273): undefined reference to `fwrite' parsing.c:(.text+0x420): undefined reference to `fwrite' parsing.c:(.text+0x46b): undefined reference to `fwrite' Makefile:34: recipe for target 'build' failed make: *** [build] Error 1 Each of these caml_ functions calls fprintf. fprintf is implemented in xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's just a wrapper for mini-os print(). How do I find out where these undefined references are coming from? thanks, -- Len --001a114d72967305be051d305778 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

= On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard <talex5@gmail.com> wrote:
On 6 August = 2015 at 00:26, Len Maxwell <len@lnmx.org= > wrote:
>
> Hi,
>
> After working with minios-xen a bit, I thought I could help with this<= br> > pioneer project.=C2=A0 There seem to be significantly fewer C warnings= than the
> last time I looked (months ago).

That would be very useful!


Hi,
<= br>
If I start from mirage-platform master (@ 94f01d), and make t= his change to xen-posix/include/stdio.h:

= -#define fprintf(x,rest...) printk(rest)
+int fprintf(FILE *strea= m, const char *format, ...) __THROW __attribute__((__format__(__printf__,2,= 3)));

...it should eliminate a missing proto= type warning for printk in xen-ocaml.=C2=A0 The package builds OK, but prod= uces link errors when I try to make a unikernel:

$= make clean && make
[ ... ]
ld -d -static = -nostdlib \
=C2=A0 _build/main.native.o \
=C2=A0 -L/opt= /ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \
=C2=A0 $(pkg-co= nfig --static --libs mirage-xen) \
=C2=A0 /usr/lib/gcc/x86_64-lin= ux-gnu/4.9/libgcc.a \
=C2=A0 -o mir-console.xen
/opt/ml= /opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o= ): In function `caml_array_bound_error':
fail.c:(.text+0x2c8)= : undefined reference to `fwrite'
/opt/ml/opam/4.02.1/lib/pkg= config/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): In function `caml= _fatal_error':
misc.c:(.text+0x42): undefined reference to `f= puts'
/opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-= ocaml/libxenasmrun.a(parsing.o): In function `caml_parse_engine':
=
parsing.c:(.text+0x225): undefined reference to `fputs'
= parsing.c:(.text+0x258): undefined reference to `fputc'
parsi= ng.c:(.text+0x273): undefined reference to `fwrite'
parsing.c= :(.text+0x420): undefined reference to `fwrite'
parsing.c:(.t= ext+0x46b): undefined reference to `fwrite'
Makefile:34: reci= pe for target 'build' failed
make: *** [build] Error 1


Each of these caml_ functions c= alls fprintf. =C2=A0fprintf is implemented in xen-posix/src/mini_libc.c, bu= t it does not use fwrite/fputs/fputc, it's just a wrapper for mini-os p= rint().

How do I find out where these undefined re= ferences are coming from?

thanks,
--
Len

=C2=A0

--001a114d72967305be051d305778-- --===============6136694504664334400== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6136694504664334400==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 12:19:18 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 12:19:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPrTT-0000YT-1U; Thu, 13 Aug 2015 12:19:11 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPrTR-0000YO-BQ for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 12:19:09 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 0A/E8-28221-C3B8CC55; Thu, 13 Aug 2015 12:19:08 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1439468346!40512748!1 X-Originating-IP: [209.85.160.177] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7981 invoked from network); 13 Aug 2015 12:19:07 -0000 Received: from mail-yk0-f177.google.com (HELO mail-yk0-f177.google.com) (209.85.160.177) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 12:19:07 -0000 Received: by ykdt205 with SMTP id t205so39293594ykd.1 for ; Thu, 13 Aug 2015 05:19:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=ompm3ZEWgdPV6B4Sw296a9JHm3bnp6tV0e/zFTu6z34=; b=T6At8yKqvw6q+IsYRzehdlvLPRvV9nmhPephrh+0R7du+22Jr4RHo/+i5z9NnkXPQA 1L5h8JgwPtln1T8XR1+PuVupJWogVCDMzXmd4etDVhFhFhNc6IDpNssec4tbnzFoQo0V r9QplrOHCUw9UzB3jYyFJk/c5lA7sV3tSlK/kmQoJ6hHddgXd2y0Me87TC8zSKP3MW37 2Z9tj4XoagJjnYSoRe9DvptIAL1UF0KqU+RJk3bAU96xA4L8m+WSWzLtxJ2Zv6WCYJmE /qEUNqeK1i4vsNii9o9y4LEvxIr/x1x1rkylYKP/bb2bS1NBPTMqH/T//EqAYkdCDfVQ 2uEQ== X-Gm-Message-State: ALoCoQlT2glNuCykQFS5wIigWjR5CM6RCsi4o9xtcEFcW+b4e6+VmLCb9rI0DXk/PUSD9PlyoIlo MIME-Version: 1.0 X-Received: by 10.129.70.69 with SMTP id t66mr39028580ywa.4.1439468346330; Thu, 13 Aug 2015 05:19:06 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Thu, 13 Aug 2015 05:19:06 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 08:19:06 -0400 Message-ID: From: Len Maxwell To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6136694504664334400==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6136694504664334400== Content-Type: multipart/alternative; boundary=001a114d72967305be051d305778 --001a114d72967305be051d305778 Content-Type: text/plain; charset=UTF-8 On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: > On 6 August 2015 at 00:26, Len Maxwell wrote: > > > > Hi, > > > > After working with minios-xen a bit, I thought I could help with this > > pioneer project. There seem to be significantly fewer C warnings than > the > > last time I looked (months ago). > > That would be very useful! > > Hi, If I start from mirage-platform master (@ 94f01d), and make this change to xen-posix/include/stdio.h: -#define fprintf(x,rest...) printk(rest) +int fprintf(FILE *stream, const char *format, ...) __THROW __attribute__((__format__(__printf__,2,3))); ...it should eliminate a missing prototype warning for printk in xen-ocaml. The package builds OK, but produces link errors when I try to make a unikernel: $ make clean && make [ ... ] ld -d -static -nostdlib \ _build/main.native.o \ -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ $(pkg-config --static --libs mirage-xen) \ /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ -o mir-console.xen /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): In function `caml_array_bound_error': fail.c:(.text+0x2c8): undefined reference to `fwrite' /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): In function `caml_fatal_error': misc.c:(.text+0x42): undefined reference to `fputs' /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): In function `caml_parse_engine': parsing.c:(.text+0x225): undefined reference to `fputs' parsing.c:(.text+0x258): undefined reference to `fputc' parsing.c:(.text+0x273): undefined reference to `fwrite' parsing.c:(.text+0x420): undefined reference to `fwrite' parsing.c:(.text+0x46b): undefined reference to `fwrite' Makefile:34: recipe for target 'build' failed make: *** [build] Error 1 Each of these caml_ functions calls fprintf. fprintf is implemented in xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's just a wrapper for mini-os print(). How do I find out where these undefined references are coming from? thanks, -- Len --001a114d72967305be051d305778 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

= On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard <talex5@gmail.com> wrote:
On 6 August = 2015 at 00:26, Len Maxwell <len@lnmx.org= > wrote:
>
> Hi,
>
> After working with minios-xen a bit, I thought I could help with this<= br> > pioneer project.=C2=A0 There seem to be significantly fewer C warnings= than the
> last time I looked (months ago).

That would be very useful!


Hi,
<= br>
If I start from mirage-platform master (@ 94f01d), and make t= his change to xen-posix/include/stdio.h:

= -#define fprintf(x,rest...) printk(rest)
+int fprintf(FILE *strea= m, const char *format, ...) __THROW __attribute__((__format__(__printf__,2,= 3)));

...it should eliminate a missing proto= type warning for printk in xen-ocaml.=C2=A0 The package builds OK, but prod= uces link errors when I try to make a unikernel:

$= make clean && make
[ ... ]
ld -d -static = -nostdlib \
=C2=A0 _build/main.native.o \
=C2=A0 -L/opt= /ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \
=C2=A0 $(pkg-co= nfig --static --libs mirage-xen) \
=C2=A0 /usr/lib/gcc/x86_64-lin= ux-gnu/4.9/libgcc.a \
=C2=A0 -o mir-console.xen
/opt/ml= /opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o= ): In function `caml_array_bound_error':
fail.c:(.text+0x2c8)= : undefined reference to `fwrite'
/opt/ml/opam/4.02.1/lib/pkg= config/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): In function `caml= _fatal_error':
misc.c:(.text+0x42): undefined reference to `f= puts'
/opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-= ocaml/libxenasmrun.a(parsing.o): In function `caml_parse_engine':
=
parsing.c:(.text+0x225): undefined reference to `fputs'
= parsing.c:(.text+0x258): undefined reference to `fputc'
parsi= ng.c:(.text+0x273): undefined reference to `fwrite'
parsing.c= :(.text+0x420): undefined reference to `fwrite'
parsing.c:(.t= ext+0x46b): undefined reference to `fwrite'
Makefile:34: reci= pe for target 'build' failed
make: *** [build] Error 1


Each of these caml_ functions c= alls fprintf. =C2=A0fprintf is implemented in xen-posix/src/mini_libc.c, bu= t it does not use fwrite/fputs/fputc, it's just a wrapper for mini-os p= rint().

How do I find out where these undefined re= ferences are coming from?

thanks,
--
Len

=C2=A0

--001a114d72967305be051d305778-- --===============6136694504664334400== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6136694504664334400==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 13:02:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 13:02:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPs90-0003PC-2j; Thu, 13 Aug 2015 13:02:06 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPs8y-0003P5-8Q for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 13:02:04 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 9F/88-29649-B459CC55; Thu, 13 Aug 2015 13:02:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1439470921!34824764!1 X-Originating-IP: [209.85.213.45] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7874 invoked from network); 13 Aug 2015 13:02:01 -0000 Received: from mail-vk0-f45.google.com (HELO mail-vk0-f45.google.com) (209.85.213.45) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 13:02:01 -0000 Received: by vkbf67 with SMTP id f67so17008376vkb.3 for ; Thu, 13 Aug 2015 06:02:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=0xPOARQtIc6phFui9X6ja0W8ux4g7COPiuqiepichJM=; b=LBw+7MWVlvT9eL38nCGmS094r3cH+odgGfxXYNEj/vDuXgpNjXqCV0mxvPTuFKId8H qwAbBtjRQYfTsV7NPIU17CeWE560IjoxN+ld4Tr/62DMnsjINlVw0yIkcMgs/fyQfVKO qXz5w9fbN2GQ8dpHBBLuyvLVlL4zVpkunmJRy74qryIF7kD8x+KEFnwNWk9f1fjj0UkN IIC17GvhEMorVQ32MBVDK5+jXUdIvh0PybXHtYHiMtJvv7Q1fZVNNCOt4lnNunE0Swp4 07bC3nwJmfNQEFEJtKiKl52CpcN4NMWda5DlAXxiQ51DCbuu9bLLSNPYsUWcSD3OBzcx 3iDA== MIME-Version: 1.0 X-Received: by 10.52.52.114 with SMTP id s18mr49485999vdo.9.1439470920860; Thu, 13 Aug 2015 06:02:00 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 13 Aug 2015 06:02:00 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 14:02:00 +0100 Message-ID: From: Thomas Leonard To: Len Maxwell Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 13 August 2015 at 13:19, Len Maxwell wrote: > > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: >> >> On 6 August 2015 at 00:26, Len Maxwell wrote: >> > >> > Hi, >> > >> > After working with minios-xen a bit, I thought I could help with this >> > pioneer project. There seem to be significantly fewer C warnings than >> > the >> > last time I looked (months ago). >> >> That would be very useful! >> > > Hi, > > If I start from mirage-platform master (@ 94f01d), and make this change to > xen-posix/include/stdio.h: > > -#define fprintf(x,rest...) printk(rest) > +int fprintf(FILE *stream, const char *format, ...) __THROW > __attribute__((__format__(__printf__,2,3))); > > ...it should eliminate a missing prototype warning for printk in xen-ocaml. > The package builds OK, but produces link errors when I try to make a > unikernel: > > $ make clean && make > [ ... ] > ld -d -static -nostdlib \ > _build/main.native.o \ > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ > $(pkg-config --static --libs mirage-xen) \ > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ > -o mir-console.xen > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): > In function `caml_array_bound_error': > fail.c:(.text+0x2c8): undefined reference to `fwrite' > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): > In function `caml_fatal_error': > misc.c:(.text+0x42): undefined reference to `fputs' > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): > In function `caml_parse_engine': > parsing.c:(.text+0x225): undefined reference to `fputs' > parsing.c:(.text+0x258): undefined reference to `fputc' > parsing.c:(.text+0x273): undefined reference to `fwrite' > parsing.c:(.text+0x420): undefined reference to `fwrite' > parsing.c:(.text+0x46b): undefined reference to `fwrite' > Makefile:34: recipe for target 'build' failed > make: *** [build] Error 1 > > > Each of these caml_ functions calls fprintf. fprintf is implemented in > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's just > a wrapper for mini-os print(). > > How do I find out where these undefined references are coming from? Most likely, the C compiler is optimising the calls to fprintf and replacing them with calls to the other functions. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 13:02:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 13:02:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPs90-0003PC-2j; Thu, 13 Aug 2015 13:02:06 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPs8y-0003P5-8Q for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 13:02:04 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 9F/88-29649-B459CC55; Thu, 13 Aug 2015 13:02:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1439470921!34824764!1 X-Originating-IP: [209.85.213.45] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7874 invoked from network); 13 Aug 2015 13:02:01 -0000 Received: from mail-vk0-f45.google.com (HELO mail-vk0-f45.google.com) (209.85.213.45) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 13:02:01 -0000 Received: by vkbf67 with SMTP id f67so17008376vkb.3 for ; Thu, 13 Aug 2015 06:02:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=0xPOARQtIc6phFui9X6ja0W8ux4g7COPiuqiepichJM=; b=LBw+7MWVlvT9eL38nCGmS094r3cH+odgGfxXYNEj/vDuXgpNjXqCV0mxvPTuFKId8H qwAbBtjRQYfTsV7NPIU17CeWE560IjoxN+ld4Tr/62DMnsjINlVw0yIkcMgs/fyQfVKO qXz5w9fbN2GQ8dpHBBLuyvLVlL4zVpkunmJRy74qryIF7kD8x+KEFnwNWk9f1fjj0UkN IIC17GvhEMorVQ32MBVDK5+jXUdIvh0PybXHtYHiMtJvv7Q1fZVNNCOt4lnNunE0Swp4 07bC3nwJmfNQEFEJtKiKl52CpcN4NMWda5DlAXxiQ51DCbuu9bLLSNPYsUWcSD3OBzcx 3iDA== MIME-Version: 1.0 X-Received: by 10.52.52.114 with SMTP id s18mr49485999vdo.9.1439470920860; Thu, 13 Aug 2015 06:02:00 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 13 Aug 2015 06:02:00 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 14:02:00 +0100 Message-ID: From: Thomas Leonard To: Len Maxwell Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 13 August 2015 at 13:19, Len Maxwell wrote: > > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: >> >> On 6 August 2015 at 00:26, Len Maxwell wrote: >> > >> > Hi, >> > >> > After working with minios-xen a bit, I thought I could help with this >> > pioneer project. There seem to be significantly fewer C warnings than >> > the >> > last time I looked (months ago). >> >> That would be very useful! >> > > Hi, > > If I start from mirage-platform master (@ 94f01d), and make this change to > xen-posix/include/stdio.h: > > -#define fprintf(x,rest...) printk(rest) > +int fprintf(FILE *stream, const char *format, ...) __THROW > __attribute__((__format__(__printf__,2,3))); > > ...it should eliminate a missing prototype warning for printk in xen-ocaml. > The package builds OK, but produces link errors when I try to make a > unikernel: > > $ make clean && make > [ ... ] > ld -d -static -nostdlib \ > _build/main.native.o \ > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ > $(pkg-config --static --libs mirage-xen) \ > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ > -o mir-console.xen > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): > In function `caml_array_bound_error': > fail.c:(.text+0x2c8): undefined reference to `fwrite' > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): > In function `caml_fatal_error': > misc.c:(.text+0x42): undefined reference to `fputs' > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): > In function `caml_parse_engine': > parsing.c:(.text+0x225): undefined reference to `fputs' > parsing.c:(.text+0x258): undefined reference to `fputc' > parsing.c:(.text+0x273): undefined reference to `fwrite' > parsing.c:(.text+0x420): undefined reference to `fwrite' > parsing.c:(.text+0x46b): undefined reference to `fwrite' > Makefile:34: recipe for target 'build' failed > make: *** [build] Error 1 > > > Each of these caml_ functions calls fprintf. fprintf is implemented in > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's just > a wrapper for mini-os print(). > > How do I find out where these undefined references are coming from? Most likely, the C compiler is optimising the calls to fprintf and replacing them with calls to the other functions. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 16:48:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 16:48:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvg9-0002HJ-1C; Thu, 13 Aug 2015 16:48:33 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvg8-0002HE-Ee for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 16:48:32 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 8D/B5-03763-F5ACCC55; Thu, 13 Aug 2015 16:48:31 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1439484509!34814237!1 X-Originating-IP: [209.85.160.178] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12593 invoked from network); 13 Aug 2015 16:48:30 -0000 Received: from mail-yk0-f178.google.com (HELO mail-yk0-f178.google.com) (209.85.160.178) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 16:48:30 -0000 Received: by ykdt205 with SMTP id t205so46406880ykd.1 for ; Thu, 13 Aug 2015 09:48:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=JKpbQG2rR9lfDdvYMdM84MKx9PjT0kww01vQWCiYk2c=; b=TzbOeMZcFO9sZDEPYKIuqsxY6Rjg/2WVn5TS4H3GqZPuy/AW2vowQhR2DaQYHwVsIs ixJIJiaF1aS0GZOuseTcgp/ZnVvMBtxs0rHveJEkpnV7fPZL8Ly5Ph9c9Lrp7OaFlzty KzpEFZuMzsTlprzg+zJRwBUGZbk87rvmHM+Hee+FPU67wqNRza7Ruh7Ez+SEmp6qaiPh u5dYTbneXrCilYRMyYw3EnG2KyMCfxW506xfr8h4iNUITkEkSpsW56mgsa4r2o7WYz8D FkGm4Vrmd0gEPjMHUInkO+s/H4escReckC8Qoy68wn6N7kB7b7tPbTVK2NBDX6rOUati ERAg== X-Gm-Message-State: ALoCoQlz9+jMnw8r7tbRPOrI98hOBKDsQZK+lcL6+aVjt+Op/Bmnn0XPy7sKu2vt9KULw3vkHNtv MIME-Version: 1.0 X-Received: by 10.129.70.69 with SMTP id t66mr40479856ywa.4.1439484509065; Thu, 13 Aug 2015 09:48:29 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Thu, 13 Aug 2015 09:48:28 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 12:48:28 -0400 Message-ID: From: Len Maxwell To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8674247044264058894==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8674247044264058894== Content-Type: multipart/alternative; boundary=001a114d7296d2c8c5051d341a97 --001a114d7296d2c8c5051d341a97 Content-Type: text/plain; charset=UTF-8 On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard wrote: > On 13 August 2015 at 13:19, Len Maxwell wrote: > > > > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: > >> > >> On 6 August 2015 at 00:26, Len Maxwell wrote: > >> > > >> > Hi, > >> > > >> > After working with minios-xen a bit, I thought I could help with this > >> > pioneer project. There seem to be significantly fewer C warnings than > >> > the > >> > last time I looked (months ago). > >> > >> That would be very useful! > >> > > > > Hi, > > > > If I start from mirage-platform master (@ 94f01d), and make this change > to > > xen-posix/include/stdio.h: > > > > -#define fprintf(x,rest...) printk(rest) > > +int fprintf(FILE *stream, const char *format, ...) __THROW > > __attribute__((__format__(__printf__,2,3))); > > > > ...it should eliminate a missing prototype warning for printk in > xen-ocaml. > > The package builds OK, but produces link errors when I try to make a > > unikernel: > > > > $ make clean && make > > [ ... ] > > ld -d -static -nostdlib \ > > _build/main.native.o \ > > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ > > $(pkg-config --static --libs mirage-xen) \ > > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ > > -o mir-console.xen > > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): > > In function `caml_array_bound_error': > > fail.c:(.text+0x2c8): undefined reference to `fwrite' > > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): > > In function `caml_fatal_error': > > misc.c:(.text+0x42): undefined reference to `fputs' > > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): > > In function `caml_parse_engine': > > parsing.c:(.text+0x225): undefined reference to `fputs' > > parsing.c:(.text+0x258): undefined reference to `fputc' > > parsing.c:(.text+0x273): undefined reference to `fwrite' > > parsing.c:(.text+0x420): undefined reference to `fwrite' > > parsing.c:(.text+0x46b): undefined reference to `fwrite' > > Makefile:34: recipe for target 'build' failed > > make: *** [build] Error 1 > > > > > > Each of these caml_ functions calls fprintf. fprintf is implemented in > > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's > just > > a wrapper for mini-os print(). > > > > How do I find out where these undefined references are coming from? > > Most likely, the C compiler is optimising the calls to fprintf and > replacing them with calls to the other functions. > > Adding `-fno-builtin` to the xen-ocaml build resolves this. Without this flag, gcc makes assumptions about the semantics/implementation of standard library functions. In this case, as you suggest, it is inlining calls to fprintf using its own built-in implementation instead of mini_libc's. Very interesting. Not sure how this affects other parts of xen-ocaml; it can be made more specific with `-fno-builtin-fprintf`. -- Len > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > --001a114d7296d2c8c5051d341a97 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard <<= a href=3D"mailto:talex5@gmail.com" target=3D"_blank">talex5@gmail.com&g= t; wrote:
On 13 August 2015 at 13:19, Len Maxwell <len@lnmx.org> wrote:
>
> On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 6 August 2015 at 00:26, Len Maxwell <len@lnmx.org> wrote:
>> >
>> > Hi,
>> >
>> > After working with minios-xen a bit, I thought I could help w= ith this
>> > pioneer project.=C2=A0 There seem to be significantly fewer C= warnings than
>> > the
>> > last time I looked (months ago).
>>
>> That would be very useful!
>>
>
> Hi,
>
> If I start from mirage-platform master (@ 94f01d), and make this chang= e to
> xen-posix/include/stdio.h:
>
> -#define fprintf(x,rest...) printk(rest)
> +int fprintf(FILE *stream, const char *format, ...) __THROW
> __attribute__((__format__(__printf__,2,3)));
>
> ...it should eliminate a missing prototype warning for printk in xen-o= caml.
> The package builds OK, but produces link errors when I try to make a > unikernel:
>
> $ make clean && make
> [ ... ]
> ld -d -static -nostdlib \
>=C2=A0 =C2=A0_build/main.native.o \
>=C2=A0 =C2=A0-L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ >=C2=A0 =C2=A0$(pkg-config --static --libs mirage-xen) \
>=C2=A0 =C2=A0/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \
>=C2=A0 =C2=A0-o mir-console.xen
> /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasm= run.a(fail.o):
> In function `caml_array_bound_error':
> fail.c:(.text+0x2c8): undefined reference to `fwrite'
> /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasm= run.a(misc.o):
> In function `caml_fatal_error':
> misc.c:(.text+0x42): undefined reference to `fputs'
> /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasm= run.a(parsing.o):
> In function `caml_parse_engine':
> parsing.c:(.text+0x225): undefined reference to `fputs'
> parsing.c:(.text+0x258): undefined reference to `fputc'
> parsing.c:(.text+0x273): undefined reference to `fwrite'
> parsing.c:(.text+0x420): undefined reference to `fwrite'
> parsing.c:(.text+0x46b): undefined reference to `fwrite'
> Makefile:34: recipe for target 'build' failed
> make: *** [build] Error 1
>
>
> Each of these caml_ functions calls fprintf.=C2=A0 fprintf is implemen= ted in
> xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it&= #39;s just
> a wrapper for mini-os print().
>
> How do I find out where these undefined references are coming from?
Most likely, the C compiler is optimising the calls to fprintf = and
replacing them with calls to the other functions.

<= br>
Adding `-fno-builtin` to the xen-ocaml build resolves this. = =C2=A0

Without this flag, gcc makes assumptions ab= out the semantics/implementation of standard library functions.=C2=A0 In th= is case, as you suggest, it is inlining calls to fprintf using its own buil= t-in implementation instead of mini_libc's.=C2=A0 Very interesting.

Not sure how this affects other parts of xen-ocaml; i= t can be made more specific with `-fno-builtin-fprintf`.


--
Len
=C2=A0

--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

--001a114d7296d2c8c5051d341a97-- --===============8674247044264058894== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8674247044264058894==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 16:48:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 16:48:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvg9-0002HJ-1C; Thu, 13 Aug 2015 16:48:33 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvg8-0002HE-Ee for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 16:48:32 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 8D/B5-03763-F5ACCC55; Thu, 13 Aug 2015 16:48:31 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1439484509!34814237!1 X-Originating-IP: [209.85.160.178] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12593 invoked from network); 13 Aug 2015 16:48:30 -0000 Received: from mail-yk0-f178.google.com (HELO mail-yk0-f178.google.com) (209.85.160.178) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 16:48:30 -0000 Received: by ykdt205 with SMTP id t205so46406880ykd.1 for ; Thu, 13 Aug 2015 09:48:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=JKpbQG2rR9lfDdvYMdM84MKx9PjT0kww01vQWCiYk2c=; b=TzbOeMZcFO9sZDEPYKIuqsxY6Rjg/2WVn5TS4H3GqZPuy/AW2vowQhR2DaQYHwVsIs ixJIJiaF1aS0GZOuseTcgp/ZnVvMBtxs0rHveJEkpnV7fPZL8Ly5Ph9c9Lrp7OaFlzty KzpEFZuMzsTlprzg+zJRwBUGZbk87rvmHM+Hee+FPU67wqNRza7Ruh7Ez+SEmp6qaiPh u5dYTbneXrCilYRMyYw3EnG2KyMCfxW506xfr8h4iNUITkEkSpsW56mgsa4r2o7WYz8D FkGm4Vrmd0gEPjMHUInkO+s/H4escReckC8Qoy68wn6N7kB7b7tPbTVK2NBDX6rOUati ERAg== X-Gm-Message-State: ALoCoQlz9+jMnw8r7tbRPOrI98hOBKDsQZK+lcL6+aVjt+Op/Bmnn0XPy7sKu2vt9KULw3vkHNtv MIME-Version: 1.0 X-Received: by 10.129.70.69 with SMTP id t66mr40479856ywa.4.1439484509065; Thu, 13 Aug 2015 09:48:29 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Thu, 13 Aug 2015 09:48:28 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 12:48:28 -0400 Message-ID: From: Len Maxwell To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8674247044264058894==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8674247044264058894== Content-Type: multipart/alternative; boundary=001a114d7296d2c8c5051d341a97 --001a114d7296d2c8c5051d341a97 Content-Type: text/plain; charset=UTF-8 On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard wrote: > On 13 August 2015 at 13:19, Len Maxwell wrote: > > > > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: > >> > >> On 6 August 2015 at 00:26, Len Maxwell wrote: > >> > > >> > Hi, > >> > > >> > After working with minios-xen a bit, I thought I could help with this > >> > pioneer project. There seem to be significantly fewer C warnings than > >> > the > >> > last time I looked (months ago). > >> > >> That would be very useful! > >> > > > > Hi, > > > > If I start from mirage-platform master (@ 94f01d), and make this change > to > > xen-posix/include/stdio.h: > > > > -#define fprintf(x,rest...) printk(rest) > > +int fprintf(FILE *stream, const char *format, ...) __THROW > > __attribute__((__format__(__printf__,2,3))); > > > > ...it should eliminate a missing prototype warning for printk in > xen-ocaml. > > The package builds OK, but produces link errors when I try to make a > > unikernel: > > > > $ make clean && make > > [ ... ] > > ld -d -static -nostdlib \ > > _build/main.native.o \ > > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ > > $(pkg-config --static --libs mirage-xen) \ > > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ > > -o mir-console.xen > > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): > > In function `caml_array_bound_error': > > fail.c:(.text+0x2c8): undefined reference to `fwrite' > > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): > > In function `caml_fatal_error': > > misc.c:(.text+0x42): undefined reference to `fputs' > > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): > > In function `caml_parse_engine': > > parsing.c:(.text+0x225): undefined reference to `fputs' > > parsing.c:(.text+0x258): undefined reference to `fputc' > > parsing.c:(.text+0x273): undefined reference to `fwrite' > > parsing.c:(.text+0x420): undefined reference to `fwrite' > > parsing.c:(.text+0x46b): undefined reference to `fwrite' > > Makefile:34: recipe for target 'build' failed > > make: *** [build] Error 1 > > > > > > Each of these caml_ functions calls fprintf. fprintf is implemented in > > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's > just > > a wrapper for mini-os print(). > > > > How do I find out where these undefined references are coming from? > > Most likely, the C compiler is optimising the calls to fprintf and > replacing them with calls to the other functions. > > Adding `-fno-builtin` to the xen-ocaml build resolves this. Without this flag, gcc makes assumptions about the semantics/implementation of standard library functions. In this case, as you suggest, it is inlining calls to fprintf using its own built-in implementation instead of mini_libc's. Very interesting. Not sure how this affects other parts of xen-ocaml; it can be made more specific with `-fno-builtin-fprintf`. -- Len > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > --001a114d7296d2c8c5051d341a97 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard <<= a href=3D"mailto:talex5@gmail.com" target=3D"_blank">talex5@gmail.com&g= t; wrote:
On 13 August 2015 at 13:19, Len Maxwell <len@lnmx.org> wrote:
>
> On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 6 August 2015 at 00:26, Len Maxwell <len@lnmx.org> wrote:
>> >
>> > Hi,
>> >
>> > After working with minios-xen a bit, I thought I could help w= ith this
>> > pioneer project.=C2=A0 There seem to be significantly fewer C= warnings than
>> > the
>> > last time I looked (months ago).
>>
>> That would be very useful!
>>
>
> Hi,
>
> If I start from mirage-platform master (@ 94f01d), and make this chang= e to
> xen-posix/include/stdio.h:
>
> -#define fprintf(x,rest...) printk(rest)
> +int fprintf(FILE *stream, const char *format, ...) __THROW
> __attribute__((__format__(__printf__,2,3)));
>
> ...it should eliminate a missing prototype warning for printk in xen-o= caml.
> The package builds OK, but produces link errors when I try to make a > unikernel:
>
> $ make clean && make
> [ ... ]
> ld -d -static -nostdlib \
>=C2=A0 =C2=A0_build/main.native.o \
>=C2=A0 =C2=A0-L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ >=C2=A0 =C2=A0$(pkg-config --static --libs mirage-xen) \
>=C2=A0 =C2=A0/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \
>=C2=A0 =C2=A0-o mir-console.xen
> /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasm= run.a(fail.o):
> In function `caml_array_bound_error':
> fail.c:(.text+0x2c8): undefined reference to `fwrite'
> /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasm= run.a(misc.o):
> In function `caml_fatal_error':
> misc.c:(.text+0x42): undefined reference to `fputs'
> /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasm= run.a(parsing.o):
> In function `caml_parse_engine':
> parsing.c:(.text+0x225): undefined reference to `fputs'
> parsing.c:(.text+0x258): undefined reference to `fputc'
> parsing.c:(.text+0x273): undefined reference to `fwrite'
> parsing.c:(.text+0x420): undefined reference to `fwrite'
> parsing.c:(.text+0x46b): undefined reference to `fwrite'
> Makefile:34: recipe for target 'build' failed
> make: *** [build] Error 1
>
>
> Each of these caml_ functions calls fprintf.=C2=A0 fprintf is implemen= ted in
> xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it&= #39;s just
> a wrapper for mini-os print().
>
> How do I find out where these undefined references are coming from?
Most likely, the C compiler is optimising the calls to fprintf = and
replacing them with calls to the other functions.

<= br>
Adding `-fno-builtin` to the xen-ocaml build resolves this. = =C2=A0

Without this flag, gcc makes assumptions ab= out the semantics/implementation of standard library functions.=C2=A0 In th= is case, as you suggest, it is inlining calls to fprintf using its own buil= t-in implementation instead of mini_libc's.=C2=A0 Very interesting.

Not sure how this affects other parts of xen-ocaml; i= t can be made more specific with `-fno-builtin-fprintf`.


--
Len
=C2=A0

--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

--001a114d7296d2c8c5051d341a97-- --===============8674247044264058894== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8674247044264058894==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 17:06:18 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 17:06:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvxH-0002qo-Cc; Thu, 13 Aug 2015 17:06:15 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvxF-0002qi-UT for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 17:06:14 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 6F/78-04752-58ECCC55; Thu, 13 Aug 2015 17:06:13 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1439485571!40568460!1 X-Originating-IP: [209.85.213.47] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26952 invoked from network); 13 Aug 2015 17:06:12 -0000 Received: from mail-vk0-f47.google.com (HELO mail-vk0-f47.google.com) (209.85.213.47) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 17:06:12 -0000 Received: by vkfi73 with SMTP id i73so20309754vkf.2 for ; Thu, 13 Aug 2015 10:06:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=gzgLhWpJ5ceswKYPVCDj9SPwa/+6PyzvFIOWD8VSTwo=; b=dPPUPXrUIjkILkR43NWPwKR1XbKiSLa4Z1wcbFZ389Fa9tvO8FNvX7sRK/VvaQR67q GifTDUSS1pUWzxlZEYWeV8dx+g0mp5JHHV2Feq/ceymY1HogXc0WhzSoivvMqJv7b1hV QpMhZS/vKDaCorbHcV3IhEx155+cfhhDwzKWS4DCUgHXv1UdCehM5cnNiqt4QtrXrJ78 zXsTA/rcft6W2DMV9DLTGon1E/EHLXG7aB5s/Vn0AUdRljIea8y+p7PEdYKf0PDgQ1bG wscJMxc3s/8ID+X9AazcwzePTagGvFeAummHAoHddkU+P5OL0Oyb5YvpCtFCVpV042cs 4rAg== MIME-Version: 1.0 X-Received: by 10.52.232.161 with SMTP id tp1mr49574747vdc.37.1439485571246; Thu, 13 Aug 2015 10:06:11 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 13 Aug 2015 10:06:11 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 18:06:11 +0100 Message-ID: From: Thomas Leonard To: Len Maxwell Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 13 August 2015 at 17:48, Len Maxwell wrote: > > > On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard wrote: >> >> On 13 August 2015 at 13:19, Len Maxwell wrote: >> > >> > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: >> >> >> >> On 6 August 2015 at 00:26, Len Maxwell wrote: >> >> > >> >> > Hi, >> >> > >> >> > After working with minios-xen a bit, I thought I could help with this >> >> > pioneer project. There seem to be significantly fewer C warnings >> >> > than >> >> > the >> >> > last time I looked (months ago). >> >> >> >> That would be very useful! >> >> >> > >> > Hi, >> > >> > If I start from mirage-platform master (@ 94f01d), and make this change >> > to >> > xen-posix/include/stdio.h: >> > >> > -#define fprintf(x,rest...) printk(rest) >> > +int fprintf(FILE *stream, const char *format, ...) __THROW >> > __attribute__((__format__(__printf__,2,3))); >> > >> > ...it should eliminate a missing prototype warning for printk in >> > xen-ocaml. >> > The package builds OK, but produces link errors when I try to make a >> > unikernel: >> > >> > $ make clean && make >> > [ ... ] >> > ld -d -static -nostdlib \ >> > _build/main.native.o \ >> > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ >> > $(pkg-config --static --libs mirage-xen) \ >> > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ >> > -o mir-console.xen >> > >> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): >> > In function `caml_array_bound_error': >> > fail.c:(.text+0x2c8): undefined reference to `fwrite' >> > >> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): >> > In function `caml_fatal_error': >> > misc.c:(.text+0x42): undefined reference to `fputs' >> > >> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): >> > In function `caml_parse_engine': >> > parsing.c:(.text+0x225): undefined reference to `fputs' >> > parsing.c:(.text+0x258): undefined reference to `fputc' >> > parsing.c:(.text+0x273): undefined reference to `fwrite' >> > parsing.c:(.text+0x420): undefined reference to `fwrite' >> > parsing.c:(.text+0x46b): undefined reference to `fwrite' >> > Makefile:34: recipe for target 'build' failed >> > make: *** [build] Error 1 >> > >> > >> > Each of these caml_ functions calls fprintf. fprintf is implemented in >> > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's >> > just >> > a wrapper for mini-os print(). >> > >> > How do I find out where these undefined references are coming from? >> >> Most likely, the C compiler is optimising the calls to fprintf and >> replacing them with calls to the other functions. >> > > Adding `-fno-builtin` to the xen-ocaml build resolves this. > > Without this flag, gcc makes assumptions about the semantics/implementation > of standard library functions. In this case, as you suggest, it is inlining > calls to fprintf using its own built-in implementation instead of > mini_libc's. Very interesting. > > Not sure how this affects other parts of xen-ocaml; it can be made more > specific with `-fno-builtin-fprintf`. Well, this isn't a bad optimisation (although it doesn't really matter for Mirage, since we normally use our own console). We'd just have to provide implementations for fputs, etc. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 17:06:18 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 17:06:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvxH-0002qo-Cc; Thu, 13 Aug 2015 17:06:15 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPvxF-0002qi-UT for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 17:06:14 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 6F/78-04752-58ECCC55; Thu, 13 Aug 2015 17:06:13 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1439485571!40568460!1 X-Originating-IP: [209.85.213.47] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26952 invoked from network); 13 Aug 2015 17:06:12 -0000 Received: from mail-vk0-f47.google.com (HELO mail-vk0-f47.google.com) (209.85.213.47) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 17:06:12 -0000 Received: by vkfi73 with SMTP id i73so20309754vkf.2 for ; Thu, 13 Aug 2015 10:06:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=gzgLhWpJ5ceswKYPVCDj9SPwa/+6PyzvFIOWD8VSTwo=; b=dPPUPXrUIjkILkR43NWPwKR1XbKiSLa4Z1wcbFZ389Fa9tvO8FNvX7sRK/VvaQR67q GifTDUSS1pUWzxlZEYWeV8dx+g0mp5JHHV2Feq/ceymY1HogXc0WhzSoivvMqJv7b1hV QpMhZS/vKDaCorbHcV3IhEx155+cfhhDwzKWS4DCUgHXv1UdCehM5cnNiqt4QtrXrJ78 zXsTA/rcft6W2DMV9DLTGon1E/EHLXG7aB5s/Vn0AUdRljIea8y+p7PEdYKf0PDgQ1bG wscJMxc3s/8ID+X9AazcwzePTagGvFeAummHAoHddkU+P5OL0Oyb5YvpCtFCVpV042cs 4rAg== MIME-Version: 1.0 X-Received: by 10.52.232.161 with SMTP id tp1mr49574747vdc.37.1439485571246; Thu, 13 Aug 2015 10:06:11 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 13 Aug 2015 10:06:11 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 18:06:11 +0100 Message-ID: From: Thomas Leonard To: Len Maxwell Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 13 August 2015 at 17:48, Len Maxwell wrote: > > > On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard wrote: >> >> On 13 August 2015 at 13:19, Len Maxwell wrote: >> > >> > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard wrote: >> >> >> >> On 6 August 2015 at 00:26, Len Maxwell wrote: >> >> > >> >> > Hi, >> >> > >> >> > After working with minios-xen a bit, I thought I could help with this >> >> > pioneer project. There seem to be significantly fewer C warnings >> >> > than >> >> > the >> >> > last time I looked (months ago). >> >> >> >> That would be very useful! >> >> >> > >> > Hi, >> > >> > If I start from mirage-platform master (@ 94f01d), and make this change >> > to >> > xen-posix/include/stdio.h: >> > >> > -#define fprintf(x,rest...) printk(rest) >> > +int fprintf(FILE *stream, const char *format, ...) __THROW >> > __attribute__((__format__(__printf__,2,3))); >> > >> > ...it should eliminate a missing prototype warning for printk in >> > xen-ocaml. >> > The package builds OK, but produces link errors when I try to make a >> > unikernel: >> > >> > $ make clean && make >> > [ ... ] >> > ld -d -static -nostdlib \ >> > _build/main.native.o \ >> > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ >> > $(pkg-config --static --libs mirage-xen) \ >> > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ >> > -o mir-console.xen >> > >> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): >> > In function `caml_array_bound_error': >> > fail.c:(.text+0x2c8): undefined reference to `fwrite' >> > >> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): >> > In function `caml_fatal_error': >> > misc.c:(.text+0x42): undefined reference to `fputs' >> > >> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): >> > In function `caml_parse_engine': >> > parsing.c:(.text+0x225): undefined reference to `fputs' >> > parsing.c:(.text+0x258): undefined reference to `fputc' >> > parsing.c:(.text+0x273): undefined reference to `fwrite' >> > parsing.c:(.text+0x420): undefined reference to `fwrite' >> > parsing.c:(.text+0x46b): undefined reference to `fwrite' >> > Makefile:34: recipe for target 'build' failed >> > make: *** [build] Error 1 >> > >> > >> > Each of these caml_ functions calls fprintf. fprintf is implemented in >> > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, it's >> > just >> > a wrapper for mini-os print(). >> > >> > How do I find out where these undefined references are coming from? >> >> Most likely, the C compiler is optimising the calls to fprintf and >> replacing them with calls to the other functions. >> > > Adding `-fno-builtin` to the xen-ocaml build resolves this. > > Without this flag, gcc makes assumptions about the semantics/implementation > of standard library functions. In this case, as you suggest, it is inlining > calls to fprintf using its own built-in implementation instead of > mini_libc's. Very interesting. > > Not sure how this affects other parts of xen-ocaml; it can be made more > specific with `-fno-builtin-fprintf`. Well, this isn't a bad optimisation (although it doesn't really matter for Mirage, since we normally use our own console). We'd just have to provide implementations for fputs, etc. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 17:44:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 17:44:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwXz-0007Sb-3J; Thu, 13 Aug 2015 17:44:11 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwXy-0007SW-3J for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 17:44:10 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id 0D/83-10678-967DCC55; Thu, 13 Aug 2015 17:44:09 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-10.tower-31.messagelabs.com!1439487847!34827959!1 X-Originating-IP: [209.85.160.182] X-SpamReason: No, hits=0.9 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30145 invoked from network); 13 Aug 2015 17:44:08 -0000 Received: from mail-yk0-f182.google.com (HELO mail-yk0-f182.google.com) (209.85.160.182) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 17:44:08 -0000 Received: by ykaz130 with SMTP id z130so47798548yka.0 for ; Thu, 13 Aug 2015 10:44:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=92ubFOWWX2YSDl4kVfI1DR8UqA+IkWCUJF3VOajYu9w=; b=gOdjTUVTK6kUgRmbyQinflJWN5x8EXlzBtLKkcWVXsTKdV4cbqU6qEglqabss9SqTi xaJFRZvNLZzlWiYRqnvA10ftFrFiVuHK4Srp8wF6rMnPB7Vx7wKVsQ0sULsYlXAWK6lO 3uCkcDyTJM6PPJjaxZL71QeGRn+DYTxT6Gvl96sxEJ9gpwP6VVWbbWTh9e57crsoMB36 jcweqmG+XRcDUUn63YpimRA5nhP0LXPGET53N1qHPjD4Z6z+6hv2VMdYT2msmziX19t9 Eo5wYQkT0kGvkhZpGYpeWEy/mYKsNRZxSGt2/78JEgzLlZgoghSgqSXaEwuJaueAipGi NJQw== X-Gm-Message-State: ALoCoQkQHJWKaGMbGdNv8Js8MgFEcPQsK79hR02kMPXxEKLDqoHYSfuSZUQydv1JF++RyiYKoaEW MIME-Version: 1.0 X-Received: by 10.170.154.67 with SMTP id v64mr40768134ykc.83.1439487846717; Thu, 13 Aug 2015 10:44:06 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Thu, 13 Aug 2015 10:44:06 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 13:44:06 -0400 Message-ID: From: Len Maxwell To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5505841221332003133==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5505841221332003133== Content-Type: multipart/alternative; boundary=001a113a9cb2c3526b051d34e175 --001a113a9cb2c3526b051d34e175 Content-Type: text/plain; charset=UTF-8 On Thu, Aug 13, 2015 at 1:06 PM, Thomas Leonard wrote: > On 13 August 2015 at 17:48, Len Maxwell wrote: > > > > > > On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard > wrote: > >> > >> On 13 August 2015 at 13:19, Len Maxwell wrote: > >> > > >> > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard > wrote: > >> >> > >> >> On 6 August 2015 at 00:26, Len Maxwell wrote: > >> >> > > >> >> > Hi, > >> >> > > >> >> > After working with minios-xen a bit, I thought I could help with > this > >> >> > pioneer project. There seem to be significantly fewer C warnings > >> >> > than > >> >> > the > >> >> > last time I looked (months ago). > >> >> > >> >> That would be very useful! > >> >> > >> > > >> > Hi, > >> > > >> > If I start from mirage-platform master (@ 94f01d), and make this > change > >> > to > >> > xen-posix/include/stdio.h: > >> > > >> > -#define fprintf(x,rest...) printk(rest) > >> > +int fprintf(FILE *stream, const char *format, ...) __THROW > >> > __attribute__((__format__(__printf__,2,3))); > >> > > >> > ...it should eliminate a missing prototype warning for printk in > >> > xen-ocaml. > >> > The package builds OK, but produces link errors when I try to make a > >> > unikernel: > >> > > >> > $ make clean && make > >> > [ ... ] > >> > ld -d -static -nostdlib \ > >> > _build/main.native.o \ > >> > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ > >> > $(pkg-config --static --libs mirage-xen) \ > >> > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ > >> > -o mir-console.xen > >> > > >> > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): > >> > In function `caml_array_bound_error': > >> > fail.c:(.text+0x2c8): undefined reference to `fwrite' > >> > > >> > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): > >> > In function `caml_fatal_error': > >> > misc.c:(.text+0x42): undefined reference to `fputs' > >> > > >> > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): > >> > In function `caml_parse_engine': > >> > parsing.c:(.text+0x225): undefined reference to `fputs' > >> > parsing.c:(.text+0x258): undefined reference to `fputc' > >> > parsing.c:(.text+0x273): undefined reference to `fwrite' > >> > parsing.c:(.text+0x420): undefined reference to `fwrite' > >> > parsing.c:(.text+0x46b): undefined reference to `fwrite' > >> > Makefile:34: recipe for target 'build' failed > >> > make: *** [build] Error 1 > >> > > >> > > >> > Each of these caml_ functions calls fprintf. fprintf is implemented > in > >> > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, > it's > >> > just > >> > a wrapper for mini-os print(). > >> > > >> > How do I find out where these undefined references are coming from? > >> > >> Most likely, the C compiler is optimising the calls to fprintf and > >> replacing them with calls to the other functions. > >> > > > > Adding `-fno-builtin` to the xen-ocaml build resolves this. > > > > Without this flag, gcc makes assumptions about the > semantics/implementation > > of standard library functions. In this case, as you suggest, it is > inlining > > calls to fprintf using its own built-in implementation instead of > > mini_libc's. Very interesting. > > > > Not sure how this affects other parts of xen-ocaml; it can be made more > > specific with `-fno-builtin-fprintf`. > > Well, this isn't a bad optimisation (although it doesn't really matter > for Mirage, since we normally use our own console). We'd just have to > provide implementations for fputs, etc. > > Now I understand why fprintf was a macro pointing to printk -- it seems to defeat the builtin inlining and saves us implementing fputs, etc. in order to get diagnostic output from the OCaml runtime. The mini-os print/printk does a sprintf to a buffer and sends that out via the console ring. Enabling -fno-builtin across xen-ocaml could hurt performance. From [1]: "GCC normally generates special code to handle certain built-in functions more efficiently; for instance, calls to alloca may become single instructions which adjust the stack directly, and calls to memcpy may become inline copy loops." I'll find another way to clean up the warnings. Thanks. [1]: https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/C-Dialect-Options.html#C-Dialect-Options -- Len --001a113a9cb2c3526b051d34e175 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Thu, Aug 13, 2015 at 1:06 PM, Thomas Leonard <<= a href=3D"mailto:talex5@gmail.com" target=3D"_blank">talex5@gmail.com&g= t; wrote:
On 13 August 2015 at 17:48, Len Maxwell <len@lnmx.org> wrote:
>
>
> On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 13 August 2015 at 13:19, Len Maxwell <len@lnmx.org> wrote:
>> >
>> > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard <talex5@gmail.com> wrote:
>> >>
>> >> On 6 August 2015 at 00:26, Len Maxwell <len@lnmx.org> wrote:
>> >> >
>> >> > Hi,
>> >> >
>> >> > After working with minios-xen a bit, I thought I cou= ld help with this
>> >> > pioneer project.=C2=A0 There seem to be significantl= y fewer C warnings
>> >> > than
>> >> > the
>> >> > last time I looked (months ago).
>> >>
>> >> That would be very useful!
>> >>
>> >
>> > Hi,
>> >
>> > If I start from mirage-platform master (@ 94f01d), and make t= his change
>> > to
>> > xen-posix/include/stdio.h:
>> >
>> > -#define fprintf(x,rest...) printk(rest)
>> > +int fprintf(FILE *stream, const char *format, ...) __THROW >> > __attribute__((__format__(__printf__,2,3)));
>> >
>> > ...it should eliminate a missing prototype warning for printk= in
>> > xen-ocaml.
>> > The package builds OK, but produces link errors when I try to= make a
>> > unikernel:
>> >
>> > $ make clean && make
>> > [ ... ]
>> > ld -d -static -nostdlib \
>> >=C2=A0 =C2=A0_build/main.native.o \
>> >=C2=A0 =C2=A0-L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_s= tubs \
>> >=C2=A0 =C2=A0$(pkg-config --static --libs mirage-xen) \
>> >=C2=A0 =C2=A0/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \
>> >=C2=A0 =C2=A0-o mir-console.xen
>> >
>> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/= libxenasmrun.a(fail.o):
>> > In function `caml_array_bound_error':
>> > fail.c:(.text+0x2c8): undefined reference to `fwrite'
>> >
>> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/= libxenasmrun.a(misc.o):
>> > In function `caml_fatal_error':
>> > misc.c:(.text+0x42): undefined reference to `fputs'
>> >
>> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/= libxenasmrun.a(parsing.o):
>> > In function `caml_parse_engine':
>> > parsing.c:(.text+0x225): undefined reference to `fputs' >> > parsing.c:(.text+0x258): undefined reference to `fputc' >> > parsing.c:(.text+0x273): undefined reference to `fwrite'<= br> >> > parsing.c:(.text+0x420): undefined reference to `fwrite'<= br> >> > parsing.c:(.text+0x46b): undefined reference to `fwrite'<= br> >> > Makefile:34: recipe for target 'build' failed
>> > make: *** [build] Error 1
>> >
>> >
>> > Each of these caml_ functions calls fprintf.=C2=A0 fprintf is= implemented in
>> > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/f= putc, it's
>> > just
>> > a wrapper for mini-os print().
>> >
>> > How do I find out where these undefined references are coming= from?
>>
>> Most likely, the C compiler is optimising the calls to fprintf and=
>> replacing them with calls to the other functions.
>>
>
> Adding `-fno-builtin` to the xen-ocaml build resolves this.
>
> Without this flag, gcc makes assumptions about the semantics/implement= ation
> of standard library functions.=C2=A0 In this case, as you suggest, it = is inlining
> calls to fprintf using its own built-in implementation instead of
> mini_libc's.=C2=A0 Very interesting.
>
> Not sure how this affects other parts of xen-ocaml; it can be made mor= e
> specific with `-fno-builtin-fprintf`.

Well, this isn't a bad optimisation (although it doesn'= t really matter
for Mirage, since we normally use our own console). We'd just have to provide implementations for fputs, etc.

<= br>
Now I understand why fprintf was a macro pointing to printk -= - it seems to defeat the builtin inlining and saves us implementing fputs, = etc. in order to get diagnostic output from the OCaml runtime.=C2=A0 The mi= ni-os print/printk does a sprintf to a buffer and sends that out via the co= nsole ring.

Enabling -fno-builtin across xen-ocaml= could hurt performance.=C2=A0 From [1]: "GCC normally generates speci= al code to handle certain built-in functions more efficiently; for instance= , calls to alloca may become single instructions which adjust the stack dir= ectly, and calls to memcpy may become inline copy loops."
I'll find another way to clean up the warnings.=C2=A0 Than= ks.


--
Len
--001a113a9cb2c3526b051d34e175-- --===============5505841221332003133== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5505841221332003133==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 17:44:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 17:44:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwXz-0007Sb-3J; Thu, 13 Aug 2015 17:44:11 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwXy-0007SW-3J for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 17:44:10 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id 0D/83-10678-967DCC55; Thu, 13 Aug 2015 17:44:09 +0000 X-Env-Sender: len@inthemail.org X-Msg-Ref: server-10.tower-31.messagelabs.com!1439487847!34827959!1 X-Originating-IP: [209.85.160.182] X-SpamReason: No, hits=0.9 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30145 invoked from network); 13 Aug 2015 17:44:08 -0000 Received: from mail-yk0-f182.google.com (HELO mail-yk0-f182.google.com) (209.85.160.182) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 17:44:08 -0000 Received: by ykaz130 with SMTP id z130so47798548yka.0 for ; Thu, 13 Aug 2015 10:44:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=92ubFOWWX2YSDl4kVfI1DR8UqA+IkWCUJF3VOajYu9w=; b=gOdjTUVTK6kUgRmbyQinflJWN5x8EXlzBtLKkcWVXsTKdV4cbqU6qEglqabss9SqTi xaJFRZvNLZzlWiYRqnvA10ftFrFiVuHK4Srp8wF6rMnPB7Vx7wKVsQ0sULsYlXAWK6lO 3uCkcDyTJM6PPJjaxZL71QeGRn+DYTxT6Gvl96sxEJ9gpwP6VVWbbWTh9e57crsoMB36 jcweqmG+XRcDUUn63YpimRA5nhP0LXPGET53N1qHPjD4Z6z+6hv2VMdYT2msmziX19t9 Eo5wYQkT0kGvkhZpGYpeWEy/mYKsNRZxSGt2/78JEgzLlZgoghSgqSXaEwuJaueAipGi NJQw== X-Gm-Message-State: ALoCoQkQHJWKaGMbGdNv8Js8MgFEcPQsK79hR02kMPXxEKLDqoHYSfuSZUQydv1JF++RyiYKoaEW MIME-Version: 1.0 X-Received: by 10.170.154.67 with SMTP id v64mr40768134ykc.83.1439487846717; Thu, 13 Aug 2015 10:44:06 -0700 (PDT) Received: by 10.37.61.71 with HTTP; Thu, 13 Aug 2015 10:44:06 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2015 13:44:06 -0400 Message-ID: From: Len Maxwell To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5505841221332003133==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5505841221332003133== Content-Type: multipart/alternative; boundary=001a113a9cb2c3526b051d34e175 --001a113a9cb2c3526b051d34e175 Content-Type: text/plain; charset=UTF-8 On Thu, Aug 13, 2015 at 1:06 PM, Thomas Leonard wrote: > On 13 August 2015 at 17:48, Len Maxwell wrote: > > > > > > On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard > wrote: > >> > >> On 13 August 2015 at 13:19, Len Maxwell wrote: > >> > > >> > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard > wrote: > >> >> > >> >> On 6 August 2015 at 00:26, Len Maxwell wrote: > >> >> > > >> >> > Hi, > >> >> > > >> >> > After working with minios-xen a bit, I thought I could help with > this > >> >> > pioneer project. There seem to be significantly fewer C warnings > >> >> > than > >> >> > the > >> >> > last time I looked (months ago). > >> >> > >> >> That would be very useful! > >> >> > >> > > >> > Hi, > >> > > >> > If I start from mirage-platform master (@ 94f01d), and make this > change > >> > to > >> > xen-posix/include/stdio.h: > >> > > >> > -#define fprintf(x,rest...) printk(rest) > >> > +int fprintf(FILE *stream, const char *format, ...) __THROW > >> > __attribute__((__format__(__printf__,2,3))); > >> > > >> > ...it should eliminate a missing prototype warning for printk in > >> > xen-ocaml. > >> > The package builds OK, but produces link errors when I try to make a > >> > unikernel: > >> > > >> > $ make clean && make > >> > [ ... ] > >> > ld -d -static -nostdlib \ > >> > _build/main.native.o \ > >> > -L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_stubs \ > >> > $(pkg-config --static --libs mirage-xen) \ > >> > /usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \ > >> > -o mir-console.xen > >> > > >> > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(fail.o): > >> > In function `caml_array_bound_error': > >> > fail.c:(.text+0x2c8): undefined reference to `fwrite' > >> > > >> > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(misc.o): > >> > In function `caml_fatal_error': > >> > misc.c:(.text+0x42): undefined reference to `fputs' > >> > > >> > > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/libxenasmrun.a(parsing.o): > >> > In function `caml_parse_engine': > >> > parsing.c:(.text+0x225): undefined reference to `fputs' > >> > parsing.c:(.text+0x258): undefined reference to `fputc' > >> > parsing.c:(.text+0x273): undefined reference to `fwrite' > >> > parsing.c:(.text+0x420): undefined reference to `fwrite' > >> > parsing.c:(.text+0x46b): undefined reference to `fwrite' > >> > Makefile:34: recipe for target 'build' failed > >> > make: *** [build] Error 1 > >> > > >> > > >> > Each of these caml_ functions calls fprintf. fprintf is implemented > in > >> > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/fputc, > it's > >> > just > >> > a wrapper for mini-os print(). > >> > > >> > How do I find out where these undefined references are coming from? > >> > >> Most likely, the C compiler is optimising the calls to fprintf and > >> replacing them with calls to the other functions. > >> > > > > Adding `-fno-builtin` to the xen-ocaml build resolves this. > > > > Without this flag, gcc makes assumptions about the > semantics/implementation > > of standard library functions. In this case, as you suggest, it is > inlining > > calls to fprintf using its own built-in implementation instead of > > mini_libc's. Very interesting. > > > > Not sure how this affects other parts of xen-ocaml; it can be made more > > specific with `-fno-builtin-fprintf`. > > Well, this isn't a bad optimisation (although it doesn't really matter > for Mirage, since we normally use our own console). We'd just have to > provide implementations for fputs, etc. > > Now I understand why fprintf was a macro pointing to printk -- it seems to defeat the builtin inlining and saves us implementing fputs, etc. in order to get diagnostic output from the OCaml runtime. The mini-os print/printk does a sprintf to a buffer and sends that out via the console ring. Enabling -fno-builtin across xen-ocaml could hurt performance. From [1]: "GCC normally generates special code to handle certain built-in functions more efficiently; for instance, calls to alloca may become single instructions which adjust the stack directly, and calls to memcpy may become inline copy loops." I'll find another way to clean up the warnings. Thanks. [1]: https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/C-Dialect-Options.html#C-Dialect-Options -- Len --001a113a9cb2c3526b051d34e175 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Thu, Aug 13, 2015 at 1:06 PM, Thomas Leonard <<= a href=3D"mailto:talex5@gmail.com" target=3D"_blank">talex5@gmail.com&g= t; wrote:
On 13 August 2015 at 17:48, Len Maxwell <len@lnmx.org> wrote:
>
>
> On Thu, Aug 13, 2015 at 9:02 AM, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 13 August 2015 at 13:19, Len Maxwell <len@lnmx.org> wrote:
>> >
>> > On Thu, Aug 6, 2015 at 4:58 AM, Thomas Leonard <talex5@gmail.com> wrote:
>> >>
>> >> On 6 August 2015 at 00:26, Len Maxwell <len@lnmx.org> wrote:
>> >> >
>> >> > Hi,
>> >> >
>> >> > After working with minios-xen a bit, I thought I cou= ld help with this
>> >> > pioneer project.=C2=A0 There seem to be significantl= y fewer C warnings
>> >> > than
>> >> > the
>> >> > last time I looked (months ago).
>> >>
>> >> That would be very useful!
>> >>
>> >
>> > Hi,
>> >
>> > If I start from mirage-platform master (@ 94f01d), and make t= his change
>> > to
>> > xen-posix/include/stdio.h:
>> >
>> > -#define fprintf(x,rest...) printk(rest)
>> > +int fprintf(FILE *stream, const char *format, ...) __THROW >> > __attribute__((__format__(__printf__,2,3)));
>> >
>> > ...it should eliminate a missing prototype warning for printk= in
>> > xen-ocaml.
>> > The package builds OK, but produces link errors when I try to= make a
>> > unikernel:
>> >
>> > $ make clean && make
>> > [ ... ]
>> > ld -d -static -nostdlib \
>> >=C2=A0 =C2=A0_build/main.native.o \
>> >=C2=A0 =C2=A0-L/opt/ml/opam/4.02.1/lib/io-page -lio_page_xen_s= tubs \
>> >=C2=A0 =C2=A0$(pkg-config --static --libs mirage-xen) \
>> >=C2=A0 =C2=A0/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a \
>> >=C2=A0 =C2=A0-o mir-console.xen
>> >
>> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/= libxenasmrun.a(fail.o):
>> > In function `caml_array_bound_error':
>> > fail.c:(.text+0x2c8): undefined reference to `fwrite'
>> >
>> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/= libxenasmrun.a(misc.o):
>> > In function `caml_fatal_error':
>> > misc.c:(.text+0x42): undefined reference to `fputs'
>> >
>> > /opt/ml/opam/4.02.1/lib/pkgconfig/../../lib/mirage-xen-ocaml/= libxenasmrun.a(parsing.o):
>> > In function `caml_parse_engine':
>> > parsing.c:(.text+0x225): undefined reference to `fputs' >> > parsing.c:(.text+0x258): undefined reference to `fputc' >> > parsing.c:(.text+0x273): undefined reference to `fwrite'<= br> >> > parsing.c:(.text+0x420): undefined reference to `fwrite'<= br> >> > parsing.c:(.text+0x46b): undefined reference to `fwrite'<= br> >> > Makefile:34: recipe for target 'build' failed
>> > make: *** [build] Error 1
>> >
>> >
>> > Each of these caml_ functions calls fprintf.=C2=A0 fprintf is= implemented in
>> > xen-posix/src/mini_libc.c, but it does not use fwrite/fputs/f= putc, it's
>> > just
>> > a wrapper for mini-os print().
>> >
>> > How do I find out where these undefined references are coming= from?
>>
>> Most likely, the C compiler is optimising the calls to fprintf and=
>> replacing them with calls to the other functions.
>>
>
> Adding `-fno-builtin` to the xen-ocaml build resolves this.
>
> Without this flag, gcc makes assumptions about the semantics/implement= ation
> of standard library functions.=C2=A0 In this case, as you suggest, it = is inlining
> calls to fprintf using its own built-in implementation instead of
> mini_libc's.=C2=A0 Very interesting.
>
> Not sure how this affects other parts of xen-ocaml; it can be made mor= e
> specific with `-fno-builtin-fprintf`.

Well, this isn't a bad optimisation (although it doesn'= t really matter
for Mirage, since we normally use our own console). We'd just have to provide implementations for fputs, etc.

<= br>
Now I understand why fprintf was a macro pointing to printk -= - it seems to defeat the builtin inlining and saves us implementing fputs, = etc. in order to get diagnostic output from the OCaml runtime.=C2=A0 The mi= ni-os print/printk does a sprintf to a buffer and sends that out via the co= nsole ring.

Enabling -fno-builtin across xen-ocaml= could hurt performance.=C2=A0 From [1]: "GCC normally generates speci= al code to handle certain built-in functions more efficiently; for instance= , calls to alloca may become single instructions which adjust the stack dir= ectly, and calls to memcpy may become inline copy loops."
I'll find another way to clean up the warnings.=C2=A0 Than= ks.


--
Len
--001a113a9cb2c3526b051d34e175-- --===============5505841221332003133== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5505841221332003133==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 17:59:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 17:59:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwmb-000064-8S; Thu, 13 Aug 2015 17:59:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwma-00005y-Gg for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 17:59:16 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id 8C/53-02324-3FADCC55; Thu, 13 Aug 2015 17:59:15 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-12.tower-206.messagelabs.com!1439488754!27861030!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29114 invoked from network); 13 Aug 2015 17:59:14 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 13 Aug 2015 17:59:14 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-157-161.eduroam.wireless.private.cam.ac.uk ([172.17.157.161]:50011) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:25) with esmtpsa (PLAIN:amc79) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZPwmX-0007G4-Ys (Exim 4.82_3-c0e5623) (return-path ); Thu, 13 Aug 2015 18:59:13 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Amir Chaudhry In-Reply-To: <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> Date: Thu, 13 Aug 2015 18:59:15 +0100 Message-Id: References: <55C5ED9E.8010405@somerandomidiot.com> <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi folks, Lots of useful things here and I think a quick clarification would help. Christophe and I have been working on some initial tooling to get a better understanding of the progress of the OCaml community, based on the OPAM package repository. We've been using the MirageOS libraries as a test-case, since it's a fairly substantive set and we already had the MegaMirage git repo (and TROVE) to draw from. It's still a work in progress and is only looking at Git repos themselves for the moment (not GitHub) -- it will take additional work and contributions before it's ready to use as described in this thread (which I assume is what Anil is hacking on). I just want to be clear about expectations :) Aside from that, some comments on the points made so far: - OPAM tags - It would be good to get more usage of tags in the OPAM metadata and the idea is to stop using MegaMirage/TROVE in favour of tags. I've no issue with the suggestions so far but in the case of `mirage`, it would seem that *any* package that doesn't have an OS dependency could be part of the MirageOS ecosystem. Packages that we do actually use, but do not maintain, can be revealed by looking at dependencies so is there a need to also tag them with `mirage`? - OPAM remotes - We've kind of had this discussion before [1] and I worry about having multiple remotes. I don't fully understand the proposal here but my concern is the same -- neatly summarised by Dave's example with the xapi-project remote (i.e. not always doing formal releases). We want to insulate people from dev breakages (which is good), but we need to be diligent about proper releases (or people will just end up adding the remote anyway). [1] https://mirage.io/wiki/weekly-2015-02-11 - Highlighting 'Lagging' packages - This is a great point and would help to mitigate my concern above. - Static site generation - Ideally, anyone should be able to compose the pieces they need and easily create a simple site with the info they care about. Mentioned already as having a view for 'gatekeepers' but I'm also interested in getting info on changes over time (e.g number of contributors, which repos people first engage with, etc). These are useful for understanding how the community is developing (no pun intended). Best wishes, Amir > On 10 Aug 2015, at 17:17, Anil Madhavapeddy wrote: > > Thanks for the views, everyone! I've started hacking on the tools and recording notes in: > https://github.com/mirage/mirage-www/wiki/OPAM-Aggregation > > I'll update on the Mirage call on Wednesday with how it all looks. In the meanwhile, > if you have opinions on workflows you'd like, please continue to update them here. > > To answer some specific points: > > >> On 8 Aug 2015, at 12:53, Mindy wrote: >> >> On 08/07/2015 06:24 PM, Dave Scott wrote: >>>> - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. >>> This also sounds good. Over in the xapi-project we use an opam-repo-dev for all of our half-baked stuff and hook it into travis builds via the EXTRA_REMOTES environment variable. Seems to work quite well. The only thing is we sometimes forget to do the formal releases or are lazy and just leave things in the unreleased repo. >> I'm not sure what Anil means by "only be used for metadata purposes" - does this mean there would be no guarantee that the packages in the remote are internally consistent, i.e. setting it as a remote wouldn't be expected to work? (I have no objection to that, necessarily, but I want to be sure I understand what's proposed.) > > This is a good point -- one issue with remotes right now is that they are global across switches, and so "pollute" everything that you are working on if they expose broken packages. > > I think this is a pretty big design flaw in OPAM, and that remotes ought to be switch-local by default. If this were the case, then it wouldn't matter if a particular switch were broken occasionally. > > With them being global however, we do have to keep them vaguely working. So I was thinking that we could have a "super bleeding edge" remote with working packages that was never intended to be used as a development remote, only as an automated-scripting remote. After that, another remote would be what the current opam-repo-dev contains. > >>>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >> This may be out of scope, but I'm not in the Mirage organization so I've had to watch a lot of repositories by hand (and I'm certainly still missing some); it would be nice to be able to watch them all automatically. A common dashboard would probably replace most of my need for this (probably modulo e-mail notifications, which I do find useful). > > Definitely not out of scope. Similarly, I have a tough time seeing activity in mirleft/* for the TLS repositories sometimes. I've recorded this in the wiki page as well. > > Regarding the changelog discussion, I'll take a closer look at what a detailed changelog will look like. That'll come after the first round of HTML changes though. > > -a > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 17:59:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 17:59:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwmb-000064-8S; Thu, 13 Aug 2015 17:59:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPwma-00005y-Gg for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 17:59:16 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id 8C/53-02324-3FADCC55; Thu, 13 Aug 2015 17:59:15 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-12.tower-206.messagelabs.com!1439488754!27861030!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29114 invoked from network); 13 Aug 2015 17:59:14 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 13 Aug 2015 17:59:14 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-157-161.eduroam.wireless.private.cam.ac.uk ([172.17.157.161]:50011) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:25) with esmtpsa (PLAIN:amc79) (TLSv1:DHE-RSA-AES256-SHA:256) id 1ZPwmX-0007G4-Ys (Exim 4.82_3-c0e5623) (return-path ); Thu, 13 Aug 2015 18:59:13 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Amir Chaudhry In-Reply-To: <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> Date: Thu, 13 Aug 2015 18:59:15 +0100 Message-Id: References: <55C5ED9E.8010405@somerandomidiot.com> <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi folks, Lots of useful things here and I think a quick clarification would help. Christophe and I have been working on some initial tooling to get a better understanding of the progress of the OCaml community, based on the OPAM package repository. We've been using the MirageOS libraries as a test-case, since it's a fairly substantive set and we already had the MegaMirage git repo (and TROVE) to draw from. It's still a work in progress and is only looking at Git repos themselves for the moment (not GitHub) -- it will take additional work and contributions before it's ready to use as described in this thread (which I assume is what Anil is hacking on). I just want to be clear about expectations :) Aside from that, some comments on the points made so far: - OPAM tags - It would be good to get more usage of tags in the OPAM metadata and the idea is to stop using MegaMirage/TROVE in favour of tags. I've no issue with the suggestions so far but in the case of `mirage`, it would seem that *any* package that doesn't have an OS dependency could be part of the MirageOS ecosystem. Packages that we do actually use, but do not maintain, can be revealed by looking at dependencies so is there a need to also tag them with `mirage`? - OPAM remotes - We've kind of had this discussion before [1] and I worry about having multiple remotes. I don't fully understand the proposal here but my concern is the same -- neatly summarised by Dave's example with the xapi-project remote (i.e. not always doing formal releases). We want to insulate people from dev breakages (which is good), but we need to be diligent about proper releases (or people will just end up adding the remote anyway). [1] https://mirage.io/wiki/weekly-2015-02-11 - Highlighting 'Lagging' packages - This is a great point and would help to mitigate my concern above. - Static site generation - Ideally, anyone should be able to compose the pieces they need and easily create a simple site with the info they care about. Mentioned already as having a view for 'gatekeepers' but I'm also interested in getting info on changes over time (e.g number of contributors, which repos people first engage with, etc). These are useful for understanding how the community is developing (no pun intended). Best wishes, Amir > On 10 Aug 2015, at 17:17, Anil Madhavapeddy wrote: > > Thanks for the views, everyone! I've started hacking on the tools and recording notes in: > https://github.com/mirage/mirage-www/wiki/OPAM-Aggregation > > I'll update on the Mirage call on Wednesday with how it all looks. In the meanwhile, > if you have opinions on workflows you'd like, please continue to update them here. > > To answer some specific points: > > >> On 8 Aug 2015, at 12:53, Mindy wrote: >> >> On 08/07/2015 06:24 PM, Dave Scott wrote: >>>> - an OPAM remote that we maintain with all the unreleased packages (like the ongoing ones for networking by Mindy, Jitsu by Magnus, autoscaling by Mort/Masoud and so on). This would only be used for metadata purposes. >>> This also sounds good. Over in the xapi-project we use an opam-repo-dev for all of our half-baked stuff and hook it into travis builds via the EXTRA_REMOTES environment variable. Seems to work quite well. The only thing is we sometimes forget to do the formal releases or are lazy and just leave things in the unreleased repo. >> I'm not sure what Anil means by "only be used for metadata purposes" - does this mean there would be no guarantee that the packages in the remote are internally consistent, i.e. setting it as a remote wouldn't be expected to work? (I have no objection to that, necessarily, but I want to be sure I understand what's proposed.) > > This is a good point -- one issue with remotes right now is that they are global across switches, and so "pollute" everything that you are working on if they expose broken packages. > > I think this is a pretty big design flaw in OPAM, and that remotes ought to be switch-local by default. If this were the case, then it wouldn't matter if a particular switch were broken occasionally. > > With them being global however, we do have to keep them vaguely working. So I was thinking that we could have a "super bleeding edge" remote with working packages that was never intended to be used as a development remote, only as an automated-scripting remote. After that, another remote would be what the current opam-repo-dev contains. > >>>> Any thoughts on this? Christophe is working on this infrastructure right now, and we're keen to get something up and running in August. I'm particularly interested in missing workflow features that would make your life easier as MirageOS developers and users. >> This may be out of scope, but I'm not in the Mirage organization so I've had to watch a lot of repositories by hand (and I'm certainly still missing some); it would be nice to be able to watch them all automatically. A common dashboard would probably replace most of my need for this (probably modulo e-mail notifications, which I do find useful). > > Definitely not out of scope. Similarly, I have a tough time seeing activity in mirleft/* for the TLS repositories sometimes. I've recorded this in the wiki page as well. > > Regarding the changelog discussion, I'll take a closer look at what a detailed changelog will look like. That'll come after the first round of HTML changes though. > > -a > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 21:02:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 21:02:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPzdR-0003CW-BK; Thu, 13 Aug 2015 21:02:01 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZPzdQ-0003CR-8R for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 21:02:00 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id D7/78-01753-7C50DC55; Thu, 13 Aug 2015 21:01:59 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-15.tower-31.messagelabs.com!1439499718!34743467!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7511 invoked from network); 13 Aug 2015 21:01:59 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-15.tower-31.messagelabs.com with SMTP; 13 Aug 2015 21:01:59 -0000 Received: from [192.168.2.3] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 84DEC210FD0E; Thu, 13 Aug 2015 21:01:56 +0000 (UTC) Date: Thu, 13 Aug 2015 22:02:14 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Amir Chaudhry Message-ID: In-Reply-To: References: <55C5ED9E.8010405@somerandomidiot.com> <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel@lists.xenproject.org, Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Thu, 13 Aug 2015 21:01:56 +0000 (UTC) Date: Thu, 13 Aug 2015 22:02:14 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Amir Chaudhry Message-ID: In-Reply-To: References: <55C5ED9E.8010405@somerandomidiot.com> <419B21C9-EC5B-45BD-BFA7-90458A361796@recoil.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel@lists.xenproject.org, Anil Madhavapeddy Subject: Re: [MirageOS-devel] Updating TROVE or maintaining a remote X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgamV1ZGksIDEzIGFvw7t0IDIwMTUgw6AgMTg6NTksIEFtaXIgQ2hhdWRocnkgYSDDqWNyaXQg Ogo+IFBhY2thZ2VzIHRoYXQgd2UgZG8gYWN0dWFsbHkgdXNlLCBidXQgZG8gbm90IG1haW50YWlu LCBjYW4gYmUgcmV2ZWFsZWQgYnkgbG9va2luZyBhdCBkZXBlbmRlbmNpZXMgc28gaXMgdGhlcmUg YSBuZWVkIHRvIGFsc28gdGFnIHRoZW0gd2l0aCBgbWlyYWdlYD8KCllvdSB3YW50IHRvIHVzZSB0 aGUgdGFnIGBtaXJhZ2VgIHdpdGggYW55IHBhY2thZ2UgdGhhdCBwcm92aWRlcyBzcGVjaWZpYyBz dXBwb3J0IGZvciBtaXJhZ2UgaW4gc29tZSB3YXksIHNvIHRoYXQgbWlyYWdlIHVzZXJzIGNhbiBi cm93c2UgbWlyYWdlIGJ1aWxkIGJsb2NrcyBpbiB0aGUgb3BhbSByZXBvc2l0b3J5LiBJIGRvbid0 IHRoaW5rIGdlbmVyYWwgcHVycG9zZSBwdXJlIE9DYW1sIGxpYnJhcmllcyBzaG91bGQgaGF2ZSB0 aGlzIHRhZyBidXQgdGhvc2UgZS5nLiB0aGF0IGV4cG9zZSBmdW5jdG9ycyB0aGF0IGRlcGVuZCBv biBtaXJhZ2Ugc2lnbmF0dXJlcy4gTm93IG1heWJlIHRoaXMgdGFnIHNob3VsZCBiZSBjYWxsZWQg YG1pcmFnZW9zYC4KCkRhbmllbAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxp c3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21h aWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 21:50:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 21:50:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQ0OL-0005or-Mw; 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a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=ZoHpFoC5TnBODXdUR2i/xiKpBf1cT3iB5B4Fb0O2YvQ=; b=R4ho5AT5I+vRgbPT6cHzc+Iicx7RM4NC8DyjCFydlycC+aZem//GdRBJVOGzDcnSxu H1XJRxvW/Jm22VuC4TQyZLilxo+j73rvE5H1KFOBlxYBgCHEjc3FhvFhd7AozlZ3vCm/ yMZUJ83feiaU62zh0ZdjibKBGgl/6ZCbNEp9QJHyLKLyHp2WVdzDiobP/3fTPCBUZg2P NFUcdkrZO71lfHMlfrZFyoQIC68pe6kFR7P/tVkaDEfTX0hBuabXTDEhS1ZQOxMLuzpp lizm/r/foRk8Kbi0z2jhWEQpgBnHaqYsxwXWAgVe3ui/+N94t7uQ5077Im0Q+bG7ZlmS dwkQ== X-Received: by 10.170.55.70 with SMTP id 67mr25465360ykx.82.1439502625895; Thu, 13 Aug 2015 14:50:25 -0700 (PDT) MIME-Version: 1.0 Received: by 10.37.51.136 with HTTP; Thu, 13 Aug 2015 14:49:46 -0700 (PDT) From: manu delab Date: Fri, 14 Aug 2015 09:49:46 +1200 Message-ID: To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Datastore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1268955434210184032==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1268955434210184032== Content-Type: multipart/alternative; boundary=001a1139d72cab7c1f051d385234 --001a1139d72cab7c1f051d385234 Content-Type: text/plain; charset=UTF-8 Hello What is the easiest way to persist data to disk within a unikernel ? For instance let's imagine I would like to write a unikernel that holds a list of RSS feeds and routinely checks for updates. I could hold this in memory but how to persist the changes so it survives a restart ? A key-value store would do. Can Irmin be used within a unikernel ? Is there any existing code I could look at ? The only example of writing to disk I am aware of is Thomas Leonard blog post: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ But this quite involved and maybe out of date... Thank you Manu --001a1139d72cab7c1f051d385234 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello

What is the easiest way to persis= t data to disk within a unikernel ?

For instance l= et's imagine I would like to write a unikernel that holds a list of RSS= feeds and routinely checks for updates.
I could hold this in mem= ory but how to persist the changes so it survives a restart ?
A key-value store would do. Can Irmin be used within a unikerne= l ? Is there any existing code I could look at ?

T= he only example of writing to disk I am aware of is Thomas Leonard blog pos= t:=C2=A0http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/
But this quite involved and maybe out of date...

=
Thank you

Manu
--001a1139d72cab7c1f051d385234-- --===============1268955434210184032== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1268955434210184032==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 13 21:50:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 13 Aug 2015 21:50:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQ0OL-0005or-Mw; Thu, 13 Aug 2015 21:50:29 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQ0OK-0005om-FL for mirageos-devel@lists.xenproject.org; Thu, 13 Aug 2015 21:50:28 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id A8/9B-32641-3211DC55; Thu, 13 Aug 2015 21:50:27 +0000 X-Env-Sender: manu.delab@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1439502626!34863552!1 X-Originating-IP: [209.85.160.173] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4573 invoked from network); 13 Aug 2015 21:50:27 -0000 Received: from mail-yk0-f173.google.com (HELO mail-yk0-f173.google.com) (209.85.160.173) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Aug 2015 21:50:27 -0000 Received: by ykdt205 with SMTP id t205so53772320ykd.1 for ; Thu, 13 Aug 2015 14:50:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=ZoHpFoC5TnBODXdUR2i/xiKpBf1cT3iB5B4Fb0O2YvQ=; b=R4ho5AT5I+vRgbPT6cHzc+Iicx7RM4NC8DyjCFydlycC+aZem//GdRBJVOGzDcnSxu H1XJRxvW/Jm22VuC4TQyZLilxo+j73rvE5H1KFOBlxYBgCHEjc3FhvFhd7AozlZ3vCm/ yMZUJ83feiaU62zh0ZdjibKBGgl/6ZCbNEp9QJHyLKLyHp2WVdzDiobP/3fTPCBUZg2P NFUcdkrZO71lfHMlfrZFyoQIC68pe6kFR7P/tVkaDEfTX0hBuabXTDEhS1ZQOxMLuzpp lizm/r/foRk8Kbi0z2jhWEQpgBnHaqYsxwXWAgVe3ui/+N94t7uQ5077Im0Q+bG7ZlmS dwkQ== X-Received: by 10.170.55.70 with SMTP id 67mr25465360ykx.82.1439502625895; Thu, 13 Aug 2015 14:50:25 -0700 (PDT) MIME-Version: 1.0 Received: by 10.37.51.136 with HTTP; Thu, 13 Aug 2015 14:49:46 -0700 (PDT) From: manu delab Date: Fri, 14 Aug 2015 09:49:46 +1200 Message-ID: To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Datastore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1268955434210184032==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1268955434210184032== Content-Type: multipart/alternative; boundary=001a1139d72cab7c1f051d385234 --001a1139d72cab7c1f051d385234 Content-Type: text/plain; charset=UTF-8 Hello What is the easiest way to persist data to disk within a unikernel ? For instance let's imagine I would like to write a unikernel that holds a list of RSS feeds and routinely checks for updates. I could hold this in memory but how to persist the changes so it survives a restart ? A key-value store would do. Can Irmin be used within a unikernel ? Is there any existing code I could look at ? The only example of writing to disk I am aware of is Thomas Leonard blog post: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ But this quite involved and maybe out of date... Thank you Manu --001a1139d72cab7c1f051d385234 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello

What is the easiest way to persis= t data to disk within a unikernel ?

For instance l= et's imagine I would like to write a unikernel that holds a list of RSS= feeds and routinely checks for updates.
I could hold this in mem= ory but how to persist the changes so it survives a restart ?
A key-value store would do. Can Irmin be used within a unikerne= l ? Is there any existing code I could look at ?

T= he only example of writing to disk I am aware of is Thomas Leonard blog pos= t:=C2=A0http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/
But this quite involved and maybe out of date...

=
Thank you

Manu
--001a1139d72cab7c1f051d385234-- --===============1268955434210184032== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1268955434210184032==-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 00:12:11 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 00:12:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQ2bK-0004l0-CN; Fri, 14 Aug 2015 00:12:02 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQ2bI-0004kv-7m for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 00:12:00 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 6B/C2-06021-F423DC55; 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boundary="===============2303882607484252475==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2303882607484252475== Content-Type: multipart/alternative; boundary="Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A" --Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi, > What is the easiest way to persist data to disk within a unikernel ? For now, you need to write your unikernel against the FS signature[1], = with its corresponding fs[2] combinator in the Mirage DSL. The only = integrated backend for this is fat (i.e. using the`fat_of_files` or = `fat` combinators). An Irmin backend is on its way, although it might come with a simpler = KVmodule type (which might look lile this one[3]). If you are using the = mirage-dev repository you'll be able to use Irmin+Git on Xen, with a = minimal KV_RO integration (see the relevant discussion on GitHub[4]) - = extending this with a write function which would push any change to a = remote Git repository is not very difficult to do, although my focus now = is to integrate the current patches properly. Best, Thomas [1]: http://mirage.github.io/mirage/V1.FS.html = [2]: http://mirage.github.io/mirage/Mirage.html#TYPEfs = [3]: http://erratique.ch/software/tick/doc/Tick.KV.html = [4]: https://github.com/mirage/irmin/issues/107#issuecomment-121500710 = >=20 > For instance let's imagine I would like to write a unikernel that = holds a list of RSS feeds and routinely checks for updates. > I could hold this in memory but how to persist the changes so it = survives a restart ? >=20 > A key-value store would do. Can Irmin be used within a unikernel ? Is = there any existing code I could look at ? >=20 > The only example of writing to disk I am aware of is Thomas Leonard = blog post: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ = > But this quite involved and maybe out of date... >=20 > Thank you >=20 > Manu > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi,

What is the easiest way to persist data to disk within a = unikernel ?

For now, you need to write your unikernel against = the FS signature[1], with its corresponding fs[2] combinator in the = Mirage DSL. The only integrated backend for this is fat (i.e. using = the`fat_of_files` or `fat` = combinators).

An Irmin backend is on its way, although it might come with a = simpler KVmodule type (which might look lile this one[3]). If you are = using the mirage-dev repository you'll be able to use Irmin+Git on Xen, = with a minimal KV_RO integration (see the relevant discussion on = GitHub[4]) - extending this with a write function which would push any = change to a remote Git repository is not very difficult to do, although = my focus now is to integrate the current patches = properly.

Best,
Thomas

[3]: http://erratique.ch/software/tick/doc/Tick.KV.html
[4]: https://github.com/mirage/irmin/issues/107#issuecomment-1215007= 10




For instance let's imagine I would like to write a unikernel = that holds a list of RSS feeds and routinely checks for = updates.
I could hold this in memory but how to = persist the changes so it survives a restart ?

A key-value store would do. Can Irmin = be used within a unikernel ? Is there any existing code I could look at = ?

The only = example of writing to disk I am aware of is Thomas Leonard blog = post: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/
But this quite involved and maybe out of = date...

Thank = you

Manu
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

= --Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A-- --===============2303882607484252475== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2303882607484252475==-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 08:59:59 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 08:59:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQApx-0004En-9W; Fri, 14 Aug 2015 08:59:41 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQApv-0004Ef-F4 for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 08:59:39 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id 29/14-10678-AFDADC55; Fri, 14 Aug 2015 08:59:38 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1439542774!32567804!1 X-Originating-IP: [209.85.212.181] X-SpamReason: No, hits=0.3 required=7.0 tests=HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8102 invoked from network); 14 Aug 2015 08:59:35 -0000 Received: from mail-wi0-f181.google.com (HELO mail-wi0-f181.google.com) (209.85.212.181) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 08:59:35 -0000 Received: by wicja10 with SMTP id ja10so11656661wic.1 for ; Fri, 14 Aug 2015 01:59:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=iYGap98XyFdSq5eAsa1dPD9nyELKbDAqaALvcP5QYEA=; b=PET2FcUx3qAFBMO2e1u9tCYz6PfGUTaQ7Y55RjT5SMjLBkxPgyMMKcF2Vgi1OyFIpu e38vDKSPkYP5mbHDMuogv4ao/7mzTNehH0sQjFCoFdw0kfr9s5thAaNdL5Yh2V/suED2 NR2717jptusyqa7xqU+DsMG7Bx7flk2vLS5rFscWoSdN7s/sTKwyQr9l1dui695keVse t7WnK0+QfObYMqqk/EkO8WoIOrAK39mVQrzI49GcPq0XVFKtKxe4srEiCkdnEOG3lFap aTtyys7o2CWsHi2NipyZnHoJYWqzpGT7foDkDMuRuq5bnjOKj37+4WSJEHJEnojhDRgp sHTQ== X-Received: by 10.180.11.194 with SMTP id s2mr4404864wib.33.1439542774620; Fri, 14 Aug 2015 01:59:34 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id lk16sm2045995wic.6.2015.08.14.01.59.33 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 01:59:33 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 10:59:56 +0200 Message-Id: <1E046DFF-7098-48E7-9811-49693D5775D5@gazagnaire.org> References: To: manu delab X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Datastore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2303882607484252475==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2303882607484252475== Content-Type: multipart/alternative; boundary="Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A" --Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi, > What is the easiest way to persist data to disk within a unikernel ? For now, you need to write your unikernel against the FS signature[1], = with its corresponding fs[2] combinator in the Mirage DSL. The only = integrated backend for this is fat (i.e. using the`fat_of_files` or = `fat` combinators). An Irmin backend is on its way, although it might come with a simpler = KVmodule type (which might look lile this one[3]). If you are using the = mirage-dev repository you'll be able to use Irmin+Git on Xen, with a = minimal KV_RO integration (see the relevant discussion on GitHub[4]) - = extending this with a write function which would push any change to a = remote Git repository is not very difficult to do, although my focus now = is to integrate the current patches properly. Best, Thomas [1]: http://mirage.github.io/mirage/V1.FS.html = [2]: http://mirage.github.io/mirage/Mirage.html#TYPEfs = [3]: http://erratique.ch/software/tick/doc/Tick.KV.html = [4]: https://github.com/mirage/irmin/issues/107#issuecomment-121500710 = >=20 > For instance let's imagine I would like to write a unikernel that = holds a list of RSS feeds and routinely checks for updates. > I could hold this in memory but how to persist the changes so it = survives a restart ? >=20 > A key-value store would do. Can Irmin be used within a unikernel ? Is = there any existing code I could look at ? >=20 > The only example of writing to disk I am aware of is Thomas Leonard = blog post: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ = > But this quite involved and maybe out of date... >=20 > Thank you >=20 > Manu > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi,

What is the easiest way to persist data to disk within a = unikernel ?

For now, you need to write your unikernel against = the FS signature[1], with its corresponding fs[2] combinator in the = Mirage DSL. The only integrated backend for this is fat (i.e. using = the`fat_of_files` or `fat` = combinators).

An Irmin backend is on its way, although it might come with a = simpler KVmodule type (which might look lile this one[3]). If you are = using the mirage-dev repository you'll be able to use Irmin+Git on Xen, = with a minimal KV_RO integration (see the relevant discussion on = GitHub[4]) - extending this with a write function which would push any = change to a remote Git repository is not very difficult to do, although = my focus now is to integrate the current patches = properly.

Best,
Thomas

[3]: http://erratique.ch/software/tick/doc/Tick.KV.html
[4]: https://github.com/mirage/irmin/issues/107#issuecomment-1215007= 10




For instance let's imagine I would like to write a unikernel = that holds a list of RSS feeds and routinely checks for = updates.
I could hold this in memory but how to = persist the changes so it survives a restart ?

A key-value store would do. Can Irmin = be used within a unikernel ? Is there any existing code I could look at = ?

The only = example of writing to disk I am aware of is Thomas Leonard blog = post: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/
But this quite involved and maybe out of = date...

Thank = you

Manu
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

= --Apple-Mail=_CDD747CE-24F5-4876-B2A1-A554CC2B078A-- --===============2303882607484252475== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2303882607484252475==-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:14:07 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:14:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEnt-0002Iy-HT; Fri, 14 Aug 2015 13:13:49 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEns-0002It-Ob for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:13:48 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 0B/EE-22089-C89EDC55; Fri, 14 Aug 2015 13:13:48 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1439558027!22792677!1 X-Originating-IP: [209.85.212.174] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30950 invoked from network); 14 Aug 2015 13:13:47 -0000 Received: from mail-wi0-f174.google.com (HELO mail-wi0-f174.google.com) (209.85.212.174) by server-10.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:13:47 -0000 Received: by wibhh20 with SMTP id hh20so20429591wib.0 for ; Fri, 14 Aug 2015 06:13:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=2l6Mo+yxCaywjbi6rIT3Y5xkN6irUDC2pI9QuyYg/n8=; b=0QGQYx4Qo85tVMZmWHBAX0cojc6dYx+UtMo4Vw45dHxNtZMy9zdJmTqP0TfFJrLXPm vqrbjduw7u33gsMOEq5BkIcgrdAW75ap7W4pOVjg3B5W8BAhHD7+RTrWQKPe92Zm9LHc B24ZzTrTOKiBWmX88gnniA+9EVYtR9lhc7mWjAJBpc3oA3c1egKa6CYgGWNhYT02brIr oDxWzkq+Hmlsl9/kdK/C7TWOvmMPHyOr3KAXwVd6gaHFoMOClFcEAYFoHmXvPgbks3fW 8o1ZJiqU+rgBq57mO8Di59XcA9GOFQPDMKZh042ieBzhPvP42AhTZFJYynWA+3feFzaM n8dQ== X-Received: by 10.180.74.52 with SMTP id q20mr6959662wiv.94.1439558026733; Fri, 14 Aug 2015 06:13:46 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id v9sm8165901wjq.41.2015.08.14.06.13.44 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:13:45 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 15:14:08 +0200 Message-Id: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). >> >> I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. > > That sounds useful! I'm looking at updating irmin-indexeddb to use the > Git format now. It looks like there are two ways I could do this: > > 1. Implement Git.FS.IO for IndexedDB and let ocaml-git use this > virtual filesystem. Then implement Git.Sync.IO and Irmin_git.LOCK and > use that with Irmin_git.FS. > > 2. Expose Irmin_git.XContents, XCommit and XNode and use that with Irmin.Make. > > The first looks a bit ugly, especially regarding locking. It would > involve cross-tab notifications using HTML storage, atomic operations > using IndexedDB and some recovery mechanism for dealing with closed > tabs. All of which seems like overkill, since Irmin_git would only use > these primitives to implement database transactions, which we have > already (e.g. we'd be using a database transaction to create a > lock-file to protect a Git transaction). > > So, does exposing Irmin_git.XContents, XCommit and XNode sound > reasonable? Irmin-IndexedDB would still be writing directly to the > "ao" database table as before, but the blobs would be in Git format, > so the SHA1 sums would match, and it should then be possible to sync > between the browser and a regular Git repository without rebasing > everything. We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? Thomas [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 > > >> Thomas >> >> [1]: https://github.com/mirage/ocaml-git/blob/master/lib/mirage/git_mirage.ml#L27 >> [2]: https://github.com/mirage/ocaml-git/pull/115 >> >> >>> >>> -- >>> Dr Thomas Leonard http://roscidus.com/blog/ >>> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:14:07 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:14:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEnt-0002Iy-HT; Fri, 14 Aug 2015 13:13:49 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEns-0002It-Ob for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:13:48 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 0B/EE-22089-C89EDC55; Fri, 14 Aug 2015 13:13:48 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1439558027!22792677!1 X-Originating-IP: [209.85.212.174] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30950 invoked from network); 14 Aug 2015 13:13:47 -0000 Received: from mail-wi0-f174.google.com (HELO mail-wi0-f174.google.com) (209.85.212.174) by server-10.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:13:47 -0000 Received: by wibhh20 with SMTP id hh20so20429591wib.0 for ; Fri, 14 Aug 2015 06:13:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=2l6Mo+yxCaywjbi6rIT3Y5xkN6irUDC2pI9QuyYg/n8=; b=0QGQYx4Qo85tVMZmWHBAX0cojc6dYx+UtMo4Vw45dHxNtZMy9zdJmTqP0TfFJrLXPm vqrbjduw7u33gsMOEq5BkIcgrdAW75ap7W4pOVjg3B5W8BAhHD7+RTrWQKPe92Zm9LHc B24ZzTrTOKiBWmX88gnniA+9EVYtR9lhc7mWjAJBpc3oA3c1egKa6CYgGWNhYT02brIr oDxWzkq+Hmlsl9/kdK/C7TWOvmMPHyOr3KAXwVd6gaHFoMOClFcEAYFoHmXvPgbks3fW 8o1ZJiqU+rgBq57mO8Di59XcA9GOFQPDMKZh042ieBzhPvP42AhTZFJYynWA+3feFzaM n8dQ== X-Received: by 10.180.74.52 with SMTP id q20mr6959662wiv.94.1439558026733; Fri, 14 Aug 2015 06:13:46 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id v9sm8165901wjq.41.2015.08.14.06.13.44 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:13:45 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 15:14:08 +0200 Message-Id: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). >> >> I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. > > That sounds useful! I'm looking at updating irmin-indexeddb to use the > Git format now. It looks like there are two ways I could do this: > > 1. Implement Git.FS.IO for IndexedDB and let ocaml-git use this > virtual filesystem. Then implement Git.Sync.IO and Irmin_git.LOCK and > use that with Irmin_git.FS. > > 2. Expose Irmin_git.XContents, XCommit and XNode and use that with Irmin.Make. > > The first looks a bit ugly, especially regarding locking. It would > involve cross-tab notifications using HTML storage, atomic operations > using IndexedDB and some recovery mechanism for dealing with closed > tabs. All of which seems like overkill, since Irmin_git would only use > these primitives to implement database transactions, which we have > already (e.g. we'd be using a database transaction to create a > lock-file to protect a Git transaction). > > So, does exposing Irmin_git.XContents, XCommit and XNode sound > reasonable? Irmin-IndexedDB would still be writing directly to the > "ao" database table as before, but the blobs would be in Git format, > so the SHA1 sums would match, and it should then be possible to sync > between the browser and a regular Git repository without rebasing > everything. We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? Thomas [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 > > >> Thomas >> >> [1]: https://github.com/mirage/ocaml-git/blob/master/lib/mirage/git_mirage.ml#L27 >> [2]: https://github.com/mirage/ocaml-git/pull/115 >> >> >>> >>> -- >>> Dr Thomas Leonard http://roscidus.com/blog/ >>> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:21:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:21:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEvU-0002rD-Hh; Fri, 14 Aug 2015 13:21:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEvT-0002r4-FZ for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:21:39 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 8D/E8-05269-26BEDC55; Fri, 14 Aug 2015 13:21:38 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1439558497!35060509!1 X-Originating-IP: [209.85.213.43] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19145 invoked from network); 14 Aug 2015 13:21:38 -0000 Received: from mail-vk0-f43.google.com (HELO mail-vk0-f43.google.com) (209.85.213.43) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:21:38 -0000 Received: by vkbg64 with SMTP id g64so16542041vkb.0 for ; Fri, 14 Aug 2015 06:21:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=wAWcuIlvIzNZnT5t25JwE+AM36Vkgv/nG6GMwnLHHR4=; b=K8lHDMjBN0DK8a/PdytJkEAw2lVX8VykrV6TUPiFUZ9g9Py8rNCKzp03x+09znFQEj 70tfVZTQiV/zT/iMfpDtvHrkfSecmiK7+ZP+KphPUTTbedFatTqeR8dl9ihKojvJslTI 6UmCKsDchZfKMJms2Owh7G4moXlhl7Z+skUSt7MQoKWE32KXK4a/X470n9zM2cto9USf 4h88eGWbYlcrCjLEBRdCkq+GB2nuo5fdwglZSvSs6WzUGS1Vb+eJCNn0W/ih/Sxp1pkN 3rYutWeC5oAA2Q8+hth5Dt+TfVqoRQj1co6SF61fXp0NDyHWDYqhh7pyo71PM8OZapcF KOCg== MIME-Version: 1.0 X-Received: by 10.53.11.226 with SMTP id el2mr3796185vdd.37.1439558497043; Fri, 14 Aug 2015 06:21:37 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 06:21:36 -0700 (PDT) In-Reply-To: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> Date: Fri, 14 Aug 2015 14:21:36 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:14, Thomas Gazagnaire wrote: >>> Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). >>> >>> I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. >> >> That sounds useful! I'm looking at updating irmin-indexeddb to use the >> Git format now. It looks like there are two ways I could do this: >> >> 1. Implement Git.FS.IO for IndexedDB and let ocaml-git use this >> virtual filesystem. Then implement Git.Sync.IO and Irmin_git.LOCK and >> use that with Irmin_git.FS. >> >> 2. Expose Irmin_git.XContents, XCommit and XNode and use that with Irmin.Make. >> >> The first looks a bit ugly, especially regarding locking. It would >> involve cross-tab notifications using HTML storage, atomic operations >> using IndexedDB and some recovery mechanism for dealing with closed >> tabs. All of which seems like overkill, since Irmin_git would only use >> these primitives to implement database transactions, which we have >> already (e.g. we'd be using a database transaction to create a >> lock-file to protect a Git transaction). >> >> So, does exposing Irmin_git.XContents, XCommit and XNode sound >> reasonable? Irmin-IndexedDB would still be writing directly to the >> "ao" database table as before, but the blobs would be in Git format, >> so the SHA1 sums would match, and it should then be possible to sync >> between the browser and a regular Git repository without rebasing >> everything. > > We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? That's possible, but the main problem is that the Irmin functor requires Git.Sync.IO, Git.FS.IO and LOCK, none of which I want to implement in the browser. I have an experimental branch here that stores the contents/blobs in Git format, but (currently) nodes/trees and commits in Irmin format: https://github.com/talex5/irmin-indexeddb/tree/git-format I also need a scheme to upgrade from the old format to the new one. I have a test script (test.html) in that repository that tries an upgrade (but fails, because it's not implemented yet). > Thomas > > [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:21:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:21:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEvU-0002rD-Hh; Fri, 14 Aug 2015 13:21:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQEvT-0002r4-FZ for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:21:39 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 8D/E8-05269-26BEDC55; Fri, 14 Aug 2015 13:21:38 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1439558497!35060509!1 X-Originating-IP: [209.85.213.43] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19145 invoked from network); 14 Aug 2015 13:21:38 -0000 Received: from mail-vk0-f43.google.com (HELO mail-vk0-f43.google.com) (209.85.213.43) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:21:38 -0000 Received: by vkbg64 with SMTP id g64so16542041vkb.0 for ; Fri, 14 Aug 2015 06:21:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=wAWcuIlvIzNZnT5t25JwE+AM36Vkgv/nG6GMwnLHHR4=; b=K8lHDMjBN0DK8a/PdytJkEAw2lVX8VykrV6TUPiFUZ9g9Py8rNCKzp03x+09znFQEj 70tfVZTQiV/zT/iMfpDtvHrkfSecmiK7+ZP+KphPUTTbedFatTqeR8dl9ihKojvJslTI 6UmCKsDchZfKMJms2Owh7G4moXlhl7Z+skUSt7MQoKWE32KXK4a/X470n9zM2cto9USf 4h88eGWbYlcrCjLEBRdCkq+GB2nuo5fdwglZSvSs6WzUGS1Vb+eJCNn0W/ih/Sxp1pkN 3rYutWeC5oAA2Q8+hth5Dt+TfVqoRQj1co6SF61fXp0NDyHWDYqhh7pyo71PM8OZapcF KOCg== MIME-Version: 1.0 X-Received: by 10.53.11.226 with SMTP id el2mr3796185vdd.37.1439558497043; Fri, 14 Aug 2015 06:21:37 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 06:21:36 -0700 (PDT) In-Reply-To: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> Date: Fri, 14 Aug 2015 14:21:36 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:14, Thomas Gazagnaire wrote: >>> Yes, I've started to make one for ocaml-git[1]. Should be the same signature that Irmin_fs.IO (or at least not very far). >>> >>> I'm refactoring ocaml-git to be able to change the SHA implementation more easily. So it's now possible to use a pure-OCaml implementation when compiling to javascript (instead of unconditionally depend on nocrypto) so you can use it in Cuepkeeper to be compatible with Git. The branch is almost ready to merge, I'm fixing some last issues with make `ogit fetch` work optimally. >> >> That sounds useful! I'm looking at updating irmin-indexeddb to use the >> Git format now. It looks like there are two ways I could do this: >> >> 1. Implement Git.FS.IO for IndexedDB and let ocaml-git use this >> virtual filesystem. Then implement Git.Sync.IO and Irmin_git.LOCK and >> use that with Irmin_git.FS. >> >> 2. Expose Irmin_git.XContents, XCommit and XNode and use that with Irmin.Make. >> >> The first looks a bit ugly, especially regarding locking. It would >> involve cross-tab notifications using HTML storage, atomic operations >> using IndexedDB and some recovery mechanism for dealing with closed >> tabs. All of which seems like overkill, since Irmin_git would only use >> these primitives to implement database transactions, which we have >> already (e.g. we'd be using a database transaction to create a >> lock-file to protect a Git transaction). >> >> So, does exposing Irmin_git.XContents, XCommit and XNode sound >> reasonable? Irmin-IndexedDB would still be writing directly to the >> "ao" database table as before, but the blobs would be in Git format, >> so the SHA1 sums would match, and it should then be possible to sync >> between the browser and a regular Git repository without rebasing >> everything. > > We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? That's possible, but the main problem is that the Irmin functor requires Git.Sync.IO, Git.FS.IO and LOCK, none of which I want to implement in the browser. I have an experimental branch here that stores the contents/blobs in Git format, but (currently) nodes/trees and commits in Irmin format: https://github.com/talex5/irmin-indexeddb/tree/git-format I also need a scheme to upgrade from the old format to the new one. I have a test script (test.html) in that repository that tries an upgrade (but fails, because it's not implemented yet). > Thomas > > [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:33:08 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:33:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6O-0003eT-Mm; Fri, 14 Aug 2015 13:32:56 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6N-0003eD-4g for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:32:55 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 73/AA-06021-60EEDC55; Fri, 14 Aug 2015 13:32:54 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-31.messagelabs.com!1439559172!35035751!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=1.3 required=7.0 tests=BODY_RANDOM_LONG, HTML_40_50,HTML_MESSAGE,RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10469 invoked from network); 14 Aug 2015 13:32:53 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-12.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 14 Aug 2015 13:32:53 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 1fc5f04f; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 14 Aug 2015 14:32:52 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 14 Aug 2015 14:31:23 +0100 Message-Id: <73CA8A2E-B1E8-4C47-B719-0272BC286445@recoil.org> References: To: Len Maxwell X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1226909035309516387==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1226909035309516387== Content-Type: multipart/alternative; boundary="Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F" --Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 13 Aug 2015, at 18:44, Len Maxwell wrote: >=20 > Now I understand why fprintf was a macro pointing to printk -- it = seems to defeat the builtin inlining and saves us implementing fputs, = etc. in order to get diagnostic output from the OCaml runtime. The = mini-os print/printk does a sprintf to a buffer and sends that out via = the console ring. >=20 > Enabling -fno-builtin across xen-ocaml could hurt performance. =46rom = [1]: "GCC normally generates special code to handle certain built-in = functions more efficiently; for instance, calls to alloca may become = single instructions which adjust the stack directly, and calls to memcpy = may become inline copy loops." >=20 > I'll find another way to clean up the warnings. Thanks. >=20 > [1]: = https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/C-Dialect-Options.html#C-Dial= ect-Options = Yeah, turning off builtins across the board is not ideal, but it's = absolutely fine to turn them off selectively. The printf builtin in gcc = may also be used for format string checking as well, so be careful about = disabling other unrelated safety checks as well. One thing that it would be wonderful to do is to undo some of the = #define hacks that have been in MiniOS for historical reasons. Now that = we have better structured header files, it would be good to have = explicit prototypes instead of #defines for functions like printf, and = not just redirect them at the cpp level to calls to printk. -a --Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii On 13 Aug 2015, at 18:44, Len Maxwell <len@lnmx.org> wrote:

Now I understand why fprintf was a macro pointing to printk = -- it seems to defeat the builtin inlining and saves us implementing = fputs, etc. in order to get diagnostic output from the OCaml = runtime.  The mini-os print/printk does a sprintf to a buffer and = sends that out via the console ring.

Enabling -fno-builtin across xen-ocaml = could hurt performance.  =46rom [1]: "GCC normally generates = special code to handle certain built-in functions more efficiently; for = instance, calls to alloca may become single instructions which adjust = the stack directly, and calls to memcpy may become inline copy = loops."

I'll = find another way to clean up the warnings.  Thanks.

[1]: https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/C-Dialect-Options.= html#C-Dialect-Options

Yeah, turning off builtins across the board is not = ideal, but it's absolutely fine to turn them off selectively.  The = printf builtin in gcc may also be used for format string checking as = well, so be careful about disabling other unrelated safety checks as = well.

One thing that it would be = wonderful to do is to undo some of the #define hacks that have been in = MiniOS for historical reasons.  Now that we have better structured = header files, it would be good to have explicit prototypes instead of = #defines for functions like printf, and not just redirect them at the = cpp level to calls to printk.

-a

= --Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F-- --===============1226909035309516387== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1226909035309516387==-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:33:08 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:33:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6O-0003eT-Mm; Fri, 14 Aug 2015 13:32:56 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6N-0003eD-4g for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:32:55 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 73/AA-06021-60EEDC55; Fri, 14 Aug 2015 13:32:54 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-31.messagelabs.com!1439559172!35035751!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=1.3 required=7.0 tests=BODY_RANDOM_LONG, HTML_40_50,HTML_MESSAGE,RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10469 invoked from network); 14 Aug 2015 13:32:53 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-12.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 14 Aug 2015 13:32:53 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 1fc5f04f; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 14 Aug 2015 14:32:52 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 14 Aug 2015 14:31:23 +0100 Message-Id: <73CA8A2E-B1E8-4C47-B719-0272BC286445@recoil.org> References: To: Len Maxwell X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Fix warnings in Xen C code X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1226909035309516387==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1226909035309516387== Content-Type: multipart/alternative; boundary="Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F" --Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 13 Aug 2015, at 18:44, Len Maxwell wrote: >=20 > Now I understand why fprintf was a macro pointing to printk -- it = seems to defeat the builtin inlining and saves us implementing fputs, = etc. in order to get diagnostic output from the OCaml runtime. The = mini-os print/printk does a sprintf to a buffer and sends that out via = the console ring. >=20 > Enabling -fno-builtin across xen-ocaml could hurt performance. =46rom = [1]: "GCC normally generates special code to handle certain built-in = functions more efficiently; for instance, calls to alloca may become = single instructions which adjust the stack directly, and calls to memcpy = may become inline copy loops." >=20 > I'll find another way to clean up the warnings. Thanks. >=20 > [1]: = https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/C-Dialect-Options.html#C-Dial= ect-Options = Yeah, turning off builtins across the board is not ideal, but it's = absolutely fine to turn them off selectively. The printf builtin in gcc = may also be used for format string checking as well, so be careful about = disabling other unrelated safety checks as well. One thing that it would be wonderful to do is to undo some of the = #define hacks that have been in MiniOS for historical reasons. Now that = we have better structured header files, it would be good to have = explicit prototypes instead of #defines for functions like printf, and = not just redirect them at the cpp level to calls to printk. -a --Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii On 13 Aug 2015, at 18:44, Len Maxwell <len@lnmx.org> wrote:

Now I understand why fprintf was a macro pointing to printk = -- it seems to defeat the builtin inlining and saves us implementing = fputs, etc. in order to get diagnostic output from the OCaml = runtime.  The mini-os print/printk does a sprintf to a buffer and = sends that out via the console ring.

Enabling -fno-builtin across xen-ocaml = could hurt performance.  =46rom [1]: "GCC normally generates = special code to handle certain built-in functions more efficiently; for = instance, calls to alloca may become single instructions which adjust = the stack directly, and calls to memcpy may become inline copy = loops."

I'll = find another way to clean up the warnings.  Thanks.

[1]: https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/C-Dialect-Options.= html#C-Dialect-Options

Yeah, turning off builtins across the board is not = ideal, but it's absolutely fine to turn them off selectively.  The = printf builtin in gcc may also be used for format string checking as = well, so be careful about disabling other unrelated safety checks as = well.

One thing that it would be = wonderful to do is to undo some of the #define hacks that have been in = MiniOS for historical reasons.  Now that we have better structured = header files, it would be good to have explicit prototypes instead of = #defines for functions like printf, and not just redirect them at the = cpp level to calls to printk.

-a

= --Apple-Mail=_78DC6360-170E-40B0-AA42-A51663CD388F-- --===============1226909035309516387== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1226909035309516387==-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:33:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:33:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6n-0003hh-RS; Fri, 14 Aug 2015 13:33:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6m-0003hT-64 for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:33:20 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 76/67-31069-F1EEDC55; Fri, 14 Aug 2015 13:33:19 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1439559198!32668651!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21766 invoked from network); 14 Aug 2015 13:33:18 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:33:18 -0000 Received: by wicne3 with SMTP id ne3so19593733wic.1 for ; Fri, 14 Aug 2015 06:33:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=N3d8crzOdTGMvLmXWDSHNeekwXR/0i7JHSZ1nicJdYI=; b=iQR7INxSAJG8dF+oudXnnPvFgTW5p5i5St0okdYgZm6ykfSEt/cEv4iK1P8ET2QhTR r8Y2cCuiqpkxadnZAcOLdEJpnr6nAGukt9Bwo3a5DsBIAh+lAqbJFJH9TjPBZq/OLrt5 at/HH7E9eat8zWzzEyUg96aTsvZzp505vPHjC1I2kxCNZUMTG2gNTpzHJ0VoDIyY1vI9 KAAbqGH2tx2KoElXtzMOVVnCtEwLB7gIpEOGnFKX6+hUBHFn2l7De6B6p662Fut3ByXU VFocAmHJLLMajuF+qK9L8D0B5e8sFsYMm4MNAY7Sku1DpPAUsvnWZM8KgeqFzxqw2nh0 0l2Q== X-Received: by 10.180.37.74 with SMTP id w10mr6484707wij.92.1439559198368; Fri, 14 Aug 2015 06:33:18 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id cw8sm8230862wjb.49.2015.08.14.06.33.16 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:33:17 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 15:33:40 +0200 Message-Id: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? > > That's possible, but the main problem is that the Irmin functor > requires Git.Sync.IO, Git.FS.IO and LOCK, none of which I want to > implement in the browser. You don't need Git.FS.IO and I'm not sure you need the lock, see how Irmin_git.Memory is implemented: https://github.com/mirage/irmin/blob/master/lib/git/irmin_git.ml#L727 For Sync.IO actually that would be quite cool to `git fetch/push` from your browser using the smart HTTP protocol .... but if you can pass mock functions to start with. Thomas > > I have an experimental branch here that stores the contents/blobs in > Git format, but (currently) nodes/trees and commits in Irmin format: > > https://github.com/talex5/irmin-indexeddb/tree/git-format > > I also need a scheme to upgrade from the old format to the new one. I > have a test script (test.html) in that repository that tries an > upgrade (but fails, because it's not implemented yet). > >> Thomas >> >> [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 > > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:33:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:33:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6n-0003hh-RS; Fri, 14 Aug 2015 13:33:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQF6m-0003hT-64 for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:33:20 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 76/67-31069-F1EEDC55; Fri, 14 Aug 2015 13:33:19 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1439559198!32668651!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21766 invoked from network); 14 Aug 2015 13:33:18 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:33:18 -0000 Received: by wicne3 with SMTP id ne3so19593733wic.1 for ; Fri, 14 Aug 2015 06:33:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=N3d8crzOdTGMvLmXWDSHNeekwXR/0i7JHSZ1nicJdYI=; b=iQR7INxSAJG8dF+oudXnnPvFgTW5p5i5St0okdYgZm6ykfSEt/cEv4iK1P8ET2QhTR r8Y2cCuiqpkxadnZAcOLdEJpnr6nAGukt9Bwo3a5DsBIAh+lAqbJFJH9TjPBZq/OLrt5 at/HH7E9eat8zWzzEyUg96aTsvZzp505vPHjC1I2kxCNZUMTG2gNTpzHJ0VoDIyY1vI9 KAAbqGH2tx2KoElXtzMOVVnCtEwLB7gIpEOGnFKX6+hUBHFn2l7De6B6p662Fut3ByXU VFocAmHJLLMajuF+qK9L8D0B5e8sFsYMm4MNAY7Sku1DpPAUsvnWZM8KgeqFzxqw2nh0 0l2Q== X-Received: by 10.180.37.74 with SMTP id w10mr6484707wij.92.1439559198368; Fri, 14 Aug 2015 06:33:18 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id cw8sm8230862wjb.49.2015.08.14.06.33.16 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:33:17 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 15:33:40 +0200 Message-Id: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? > > That's possible, but the main problem is that the Irmin functor > requires Git.Sync.IO, Git.FS.IO and LOCK, none of which I want to > implement in the browser. You don't need Git.FS.IO and I'm not sure you need the lock, see how Irmin_git.Memory is implemented: https://github.com/mirage/irmin/blob/master/lib/git/irmin_git.ml#L727 For Sync.IO actually that would be quite cool to `git fetch/push` from your browser using the smart HTTP protocol .... but if you can pass mock functions to start with. Thomas > > I have an experimental branch here that stores the contents/blobs in > Git format, but (currently) nodes/trees and commits in Irmin format: > > https://github.com/talex5/irmin-indexeddb/tree/git-format > > I also need a scheme to upgrade from the old format to the new one. I > have a test script (test.html) in that repository that tries an > upgrade (but fails, because it's not implemented yet). > >> Thomas >> >> [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 > > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:41:57 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:41:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFF0-0004F5-HG; Fri, 14 Aug 2015 13:41:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFEy-0004F0-TU for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:41:49 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id DA/73-12889-C10FDC55; Fri, 14 Aug 2015 13:41:48 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1439559707!40828839!1 X-Originating-IP: [209.85.212.173] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3537 invoked from network); 14 Aug 2015 13:41:47 -0000 Received: from mail-wi0-f173.google.com (HELO mail-wi0-f173.google.com) (209.85.212.173) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:41:47 -0000 Received: by wibhh20 with SMTP id hh20so21278508wib.0 for ; Fri, 14 Aug 2015 06:41:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=aWZs2/6kOTRX3rca4qVoRlEvG1G/meHlxTBj5Li1DOA=; b=VCN+jzjrIr/u05yruYflm+c2kBtj/Qfazf1b9mF/r8HtlsvnFP7ihPu+2zQ+KdE/Z3 BD/A1IrZ569qgd6gdaaIDoOP+uf0VWhXoWGiDko8c7v+sdj5gDthbDYk7m36enXYQmlG HYZzKpDIebdE7xCqEYXF2t0n5Y485FLpu/U9k72ug7LdUyt4KDk4cnVR16ute7+hMj++ gWRIC6FeOmi7jlFtjRLfJ2O3T8+50q8nCLHTcw6QLgQFAHJqyfOQP6laW/HgA1EDxBSk mFAIwXBuUFdaLOnm0u1qXy6mW9cAnW9yBZ4+s3R2D9RLZ40xQNZtqqjVCysP2z6wWJGD nrlA== X-Received: by 10.180.106.3 with SMTP id gq3mr7097071wib.50.1439559707013; Fri, 14 Aug 2015 06:41:47 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id gm20sm8315140wjc.17.2015.08.14.06.41.45 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:41:46 -0700 (PDT) From: Thomas Gazagnaire Message-Id: Date: Fri, 14 Aug 2015 15:42:09 +0200 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, A new version of Irmin has been released (mainly a bug fix one) and will land soon in opam: https://github.com/ocaml/opam-repository/pull/4665 This version mainly brings support for lwt 2.5.0. See the full list of changes below. I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. [1]: https://github.com/mirage/irmin/blob/master/README.md Best, Thomas == Changes * Allow raw bodies in queries and responses for the REST API. This is controlled by the `Content-type` field set by the client: by default, we still use JSON (or use `application/json`) but using `application/octet-stream` will avoid having to hex-encode large binary blobs to make them JSON-compatible. This feature is still experimental (especially when using Git on the server) (#255) * Adapt to `ocaml-git.1.7.1` (which works with `lwt.2.5.0`) * Expose `Store.config` for all the stores (`AO`, `RW`, etc.) * Expose `Irmin_git.Internals` to be able to get back the Git commit objects from an `head` value (#245, #241) * Expose `Irmin.Private.remove_node` * Remove the special `__root__` filename in Irmin stores and in views (#233) - This fixes `View.update_path` when the view contains a value at its root. Now the updated path contains a the value stored at the root of the view. - Writing a value to the root of a store is now an error - Reading a value at the root of a store always return `None` * Make the HTTP backend re-raise the `Invalid_argument` and `Failure` exceptions that were raised by the server. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:41:57 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:41:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFF0-0004F5-HG; Fri, 14 Aug 2015 13:41:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFEy-0004F0-TU for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:41:49 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id DA/73-12889-C10FDC55; Fri, 14 Aug 2015 13:41:48 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1439559707!40828839!1 X-Originating-IP: [209.85.212.173] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3537 invoked from network); 14 Aug 2015 13:41:47 -0000 Received: from mail-wi0-f173.google.com (HELO mail-wi0-f173.google.com) (209.85.212.173) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:41:47 -0000 Received: by wibhh20 with SMTP id hh20so21278508wib.0 for ; Fri, 14 Aug 2015 06:41:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=aWZs2/6kOTRX3rca4qVoRlEvG1G/meHlxTBj5Li1DOA=; b=VCN+jzjrIr/u05yruYflm+c2kBtj/Qfazf1b9mF/r8HtlsvnFP7ihPu+2zQ+KdE/Z3 BD/A1IrZ569qgd6gdaaIDoOP+uf0VWhXoWGiDko8c7v+sdj5gDthbDYk7m36enXYQmlG HYZzKpDIebdE7xCqEYXF2t0n5Y485FLpu/U9k72ug7LdUyt4KDk4cnVR16ute7+hMj++ gWRIC6FeOmi7jlFtjRLfJ2O3T8+50q8nCLHTcw6QLgQFAHJqyfOQP6laW/HgA1EDxBSk mFAIwXBuUFdaLOnm0u1qXy6mW9cAnW9yBZ4+s3R2D9RLZ40xQNZtqqjVCysP2z6wWJGD nrlA== X-Received: by 10.180.106.3 with SMTP id gq3mr7097071wib.50.1439559707013; Fri, 14 Aug 2015 06:41:47 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id gm20sm8315140wjc.17.2015.08.14.06.41.45 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:41:46 -0700 (PDT) From: Thomas Gazagnaire Message-Id: Date: Fri, 14 Aug 2015 15:42:09 +0200 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Subject: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, A new version of Irmin has been released (mainly a bug fix one) and will land soon in opam: https://github.com/ocaml/opam-repository/pull/4665 This version mainly brings support for lwt 2.5.0. See the full list of changes below. I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. [1]: https://github.com/mirage/irmin/blob/master/README.md Best, Thomas == Changes * Allow raw bodies in queries and responses for the REST API. This is controlled by the `Content-type` field set by the client: by default, we still use JSON (or use `application/json`) but using `application/octet-stream` will avoid having to hex-encode large binary blobs to make them JSON-compatible. This feature is still experimental (especially when using Git on the server) (#255) * Adapt to `ocaml-git.1.7.1` (which works with `lwt.2.5.0`) * Expose `Store.config` for all the stores (`AO`, `RW`, etc.) * Expose `Irmin_git.Internals` to be able to get back the Git commit objects from an `head` value (#245, #241) * Expose `Irmin.Private.remove_node` * Remove the special `__root__` filename in Irmin stores and in views (#233) - This fixes `View.update_path` when the view contains a value at its root. Now the updated path contains a the value stored at the root of the view. - Writing a value to the root of a store is now an error - Reading a value at the root of a store always return `None` * Make the HTTP backend re-raise the `Invalid_argument` and `Failure` exceptions that were raised by the server. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:46:24 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:46:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFJJ-0004Mi-9B; Fri, 14 Aug 2015 13:46:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFJI-0004Mb-FD for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:46:16 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 33/4F-10422-721FDC55; Fri, 14 Aug 2015 13:46:15 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1439559974!28121043!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4959 invoked from network); 14 Aug 2015 13:46:14 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:46:14 -0000 Received: by vkhl6 with SMTP id l6so29433151vkh.1 for ; Fri, 14 Aug 2015 06:46:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=pyvvAiXZs1stGbUlHzK1KufclkLRmIjYssTmKFYlXcI=; b=QbG9+INdx1KuVeBCbfsHyToRTWWiish16cG8JL+UwkTBJTc/rv28xEQABDL64wICes HzXmEUhg+1wVkM3H0zxtWug7c1vEhBVHhSrDOsXS5rgInWb71BpAFPBYRXP548/mHv4j YARKUD3l8W1iFSDLVnxPLLiR3apt/8EooMlALec+wkIt+bCpdc2I8qX2cUkopOnF97yz 3Kllt8cMVphdBgvNoiUS/aMH6yDGfSfPvFILLc1Dthf2LxnsYzw26lKoITipJfPllLpo qo7sWgWwJlWsSLmTw7r6qHe0HRwioUF1956np2HWrV67gXix1j1B2kjJ/7Ja1eSuwD1J nolA== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr54975227vdc.87.1439559581351; Fri, 14 Aug 2015 06:39:41 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 06:39:41 -0700 (PDT) In-Reply-To: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> Date: Fri, 14 Aug 2015 14:39:41 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:33, Thomas Gazagnaire wrote: >>> We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? >> >> That's possible, but the main problem is that the Irmin functor >> requires Git.Sync.IO, Git.FS.IO and LOCK, none of which I want to >> implement in the browser. > > You don't need Git.FS.IO and I'm not sure you need the lock, see how Irmin_git.Memory is implemented: > > https://github.com/mirage/irmin/blob/master/lib/git/irmin_git.ml#L727 Well, I still need atomic operations. I just don't want to implement them witih lock files: I can implement "compare_and_set" easily, but not "with_lock". > For Sync.IO actually that would be quite cool to `git fetch/push` from your browser using the smart HTTP protocol .... but if you can pass mock functions to start with. Yes, this might be useful once the rest is working. > Thomas > > >> >> I have an experimental branch here that stores the contents/blobs in >> Git format, but (currently) nodes/trees and commits in Irmin format: >> >> https://github.com/talex5/irmin-indexeddb/tree/git-format >> >> I also need a scheme to upgrade from the old format to the new one. I >> have a test script (test.html) in that repository that tries an >> upgrade (but fails, because it's not implemented yet). >> >>> Thomas >>> >>> [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 >> >> >> >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:46:24 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:46:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFJJ-0004Mi-9B; Fri, 14 Aug 2015 13:46:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFJI-0004Mb-FD for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:46:16 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 33/4F-10422-721FDC55; Fri, 14 Aug 2015 13:46:15 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1439559974!28121043!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4959 invoked from network); 14 Aug 2015 13:46:14 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:46:14 -0000 Received: by vkhl6 with SMTP id l6so29433151vkh.1 for ; Fri, 14 Aug 2015 06:46:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=pyvvAiXZs1stGbUlHzK1KufclkLRmIjYssTmKFYlXcI=; b=QbG9+INdx1KuVeBCbfsHyToRTWWiish16cG8JL+UwkTBJTc/rv28xEQABDL64wICes HzXmEUhg+1wVkM3H0zxtWug7c1vEhBVHhSrDOsXS5rgInWb71BpAFPBYRXP548/mHv4j YARKUD3l8W1iFSDLVnxPLLiR3apt/8EooMlALec+wkIt+bCpdc2I8qX2cUkopOnF97yz 3Kllt8cMVphdBgvNoiUS/aMH6yDGfSfPvFILLc1Dthf2LxnsYzw26lKoITipJfPllLpo qo7sWgWwJlWsSLmTw7r6qHe0HRwioUF1956np2HWrV67gXix1j1B2kjJ/7Ja1eSuwD1J nolA== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr54975227vdc.87.1439559581351; Fri, 14 Aug 2015 06:39:41 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 06:39:41 -0700 (PDT) In-Reply-To: References: <6E10C514-9075-4920-9485-920361841A0E@gazagnaire.org> Date: Fri, 14 Aug 2015 14:39:41 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin-on-Mirage status X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:33, Thomas Gazagnaire wrote: >>> We indeed need to expose something else to make that logic easier. I think the simplest way would be to expose a functor in Git.Memory[1] for storing inflated values -- currently we are simply using in-memory Hashtbl, but that could be made a bit more abstract. Using that functor you can them have an Git.Store.S that you can pass to Irmin. What do you think? >> >> That's possible, but the main problem is that the Irmin functor >> requires Git.Sync.IO, Git.FS.IO and LOCK, none of which I want to >> implement in the browser. > > You don't need Git.FS.IO and I'm not sure you need the lock, see how Irmin_git.Memory is implemented: > > https://github.com/mirage/irmin/blob/master/lib/git/irmin_git.ml#L727 Well, I still need atomic operations. I just don't want to implement them witih lock files: I can implement "compare_and_set" easily, but not "with_lock". > For Sync.IO actually that would be quite cool to `git fetch/push` from your browser using the smart HTTP protocol .... but if you can pass mock functions to start with. Yes, this might be useful once the rest is working. > Thomas > > >> >> I have an experimental branch here that stores the contents/blobs in >> Git format, but (currently) nodes/trees and commits in Irmin format: >> >> https://github.com/talex5/irmin-indexeddb/tree/git-format >> >> I also need a scheme to upgrade from the old format to the new one. I >> have a test script (test.html) in that repository that tries an >> upgrade (but fails, because it's not implemented yet). >> >>> Thomas >>> >>> [1]: https://github.com/mirage/ocaml-git/blob/master/lib/memory.ml#L34 >> >> >> >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:51:22 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:51:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFO2-0004sM-RD; Fri, 14 Aug 2015 13:51:10 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFO1-0004sH-IW for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:51:09 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id EE/21-02324-C42FDC55; Fri, 14 Aug 2015 13:51:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-206.messagelabs.com!1439560268!20497340!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31432 invoked from network); 14 Aug 2015 13:51:08 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-3.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 14 Aug 2015 13:51:08 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 8ccee40c; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 14 Aug 2015 14:44:27 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 14 Aug 2015 14:44:27 +0100 Message-Id: <713C7A1F-1650-40C7-BE62-31C4F9989A77@recoil.org> References: To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 Aug 2015, at 14:42, Thomas Gazagnaire wrote: > > Hi, > > A new version of Irmin has been released (mainly a bug fix one) and will land soon in opam: > > https://github.com/ocaml/opam-repository/pull/4665 > > This version mainly brings support for lwt 2.5.0. See the full list of changes below. > > I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. > > [1]: https://github.com/mirage/irmin/blob/master/README.md Awesome! On the list of projects, I think we're missing CueKeeper. What about the merge-queues and ropes libraries? They're not quite projects, but certainly useful building blocks over Irmin. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:51:22 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:51:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFO2-0004sM-RD; Fri, 14 Aug 2015 13:51:10 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFO1-0004sH-IW for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:51:09 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id EE/21-02324-C42FDC55; Fri, 14 Aug 2015 13:51:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-206.messagelabs.com!1439560268!20497340!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31432 invoked from network); 14 Aug 2015 13:51:08 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-3.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 14 Aug 2015 13:51:08 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 8ccee40c; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 14 Aug 2015 14:44:27 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 14 Aug 2015 14:44:27 +0100 Message-Id: <713C7A1F-1650-40C7-BE62-31C4F9989A77@recoil.org> References: To: Thomas Gazagnaire X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 Aug 2015, at 14:42, Thomas Gazagnaire wrote: > > Hi, > > A new version of Irmin has been released (mainly a bug fix one) and will land soon in opam: > > https://github.com/ocaml/opam-repository/pull/4665 > > This version mainly brings support for lwt 2.5.0. See the full list of changes below. > > I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. > > [1]: https://github.com/mirage/irmin/blob/master/README.md Awesome! On the list of projects, I think we're missing CueKeeper. What about the merge-queues and ropes libraries? They're not quite projects, but certainly useful building blocks over Irmin. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:51:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:51:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFOX-0004uy-AQ; Fri, 14 Aug 2015 13:51:41 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFOW-0004ui-Du for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:51:40 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id 38/65-10715-B62FDC55; Fri, 14 Aug 2015 13:51:39 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1439560298!40783040!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11385 invoked from network); 14 Aug 2015 13:51:38 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:51:38 -0000 Received: by wibhh20 with SMTP id hh20so21581671wib.0 for ; Fri, 14 Aug 2015 06:51:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=hxM9oQfcn3Tw6fcaReVG4CUWzVmmIpKj2OFlNnRaOQY=; b=u4ncD/eC8SErRHGK8fT0KG6d4PZKVg/JSkbyDrPgWRHGP2x87jhybU/9zWiuIQv2Pe gm3rDW15txZNs8Wrhxm3toCD+ReFzRfAcZXb7db4tQ4eT79Ffbw9GFtEnoJckokB/p7Y YovRlEOX6EEyCv85jBJK3xt7Arbv4X7e57jtvUHXAAccRgR8B4rvaa6THLAC6caIb9o4 DwHlsOmwKFSafnNEs+N4kIYbxO1RDgk7iqSz3QLUPdQluMZEDdzaT+Tehcagn6ELBPC5 oU/ICnpENyKRv1VIdaV+lvmSDsG4xXcxNvzQx65GYpNpsyPcBKF96Q/h3No8lVseZuDF zWUw== X-Received: by 10.180.98.166 with SMTP id ej6mr7315172wib.32.1439560298398; Fri, 14 Aug 2015 06:51:38 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id eu2sm3212089wic.8.2015.08.14.06.51.37 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:51:37 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <713C7A1F-1650-40C7-BE62-31C4F9989A77@recoil.org> Date: Fri, 14 Aug 2015 15:52:01 +0200 Message-Id: <4340333C-6BB2-44F4-AEAA-954FD602C73B@gazagnaire.org> References: <713C7A1F-1650-40C7-BE62-31C4F9989A77@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Awesome! On the list of projects, I think we're missing CueKeeper. What about the merge-queues and ropes libraries? They're not quite projects, but certainly useful building blocks over Irmin. thanks for the reminder, I've added them on the list. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:51:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:51:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFOX-0004uy-AQ; Fri, 14 Aug 2015 13:51:41 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFOW-0004ui-Du for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:51:40 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id 38/65-10715-B62FDC55; Fri, 14 Aug 2015 13:51:39 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1439560298!40783040!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11385 invoked from network); 14 Aug 2015 13:51:38 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:51:38 -0000 Received: by wibhh20 with SMTP id hh20so21581671wib.0 for ; Fri, 14 Aug 2015 06:51:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=hxM9oQfcn3Tw6fcaReVG4CUWzVmmIpKj2OFlNnRaOQY=; b=u4ncD/eC8SErRHGK8fT0KG6d4PZKVg/JSkbyDrPgWRHGP2x87jhybU/9zWiuIQv2Pe gm3rDW15txZNs8Wrhxm3toCD+ReFzRfAcZXb7db4tQ4eT79Ffbw9GFtEnoJckokB/p7Y YovRlEOX6EEyCv85jBJK3xt7Arbv4X7e57jtvUHXAAccRgR8B4rvaa6THLAC6caIb9o4 DwHlsOmwKFSafnNEs+N4kIYbxO1RDgk7iqSz3QLUPdQluMZEDdzaT+Tehcagn6ELBPC5 oU/ICnpENyKRv1VIdaV+lvmSDsG4xXcxNvzQx65GYpNpsyPcBKF96Q/h3No8lVseZuDF zWUw== X-Received: by 10.180.98.166 with SMTP id ej6mr7315172wib.32.1439560298398; Fri, 14 Aug 2015 06:51:38 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id eu2sm3212089wic.8.2015.08.14.06.51.37 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:51:37 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: <713C7A1F-1650-40C7-BE62-31C4F9989A77@recoil.org> Date: Fri, 14 Aug 2015 15:52:01 +0200 Message-Id: <4340333C-6BB2-44F4-AEAA-954FD602C73B@gazagnaire.org> References: <713C7A1F-1650-40C7-BE62-31C4F9989A77@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Awesome! On the list of projects, I think we're missing CueKeeper. What about the merge-queues and ropes libraries? They're not quite projects, but certainly useful building blocks over Irmin. thanks for the reminder, I've added them on the list. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:52:22 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:52:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFP6-0004zd-Em; Fri, 14 Aug 2015 13:52:16 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFP5-0004zS-6C for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:52:15 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id A1/68-16618-E82FDC55; Fri, 14 Aug 2015 13:52:14 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1439560332!40809841!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10357 invoked from network); 14 Aug 2015 13:52:13 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:52:13 -0000 Received: by vkhl6 with SMTP id l6so29500984vkh.1 for ; Fri, 14 Aug 2015 06:52:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=kiBQjoTL17PCeGP0/a9D/Ljcmi6odj9YyqDv8DarG88=; b=CqWzhfi+uhrifOnDjIpsY/4rL1Px+0rgML8MGkI6xJYyqzUNrvpjbOVx57R1jFW8G6 m6kPCqTaB+4voWpb/mWQjYZnGbK2EgBS7megFnHhy5gpoDjj+qyj3DEsOlyiYbWCxxKH Q/2JjEzU2ompMBHO4FrflMjwAIO3bsCN+siSqIlGU8cfy+dFRhHGxioKtSzxLNf3kNId MdKYxbYBq8N0mr1unnldElhXmrxnCO6Zxf+tVxuoSqtjxHIYgh/5qUEZwChFQ4FNR+sZ V9ACK34CCtBN67H+fztzYcCCUe1Z7dcYSqD06ODFeEOpFaP6mutznhJZE0NWn4x234U7 8TVA== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr55068691vdc.87.1439560332521; Fri, 14 Aug 2015 06:52:12 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 06:52:12 -0700 (PDT) In-Reply-To: References: Date: Fri, 14 Aug 2015 14:52:12 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:42, Thomas Gazagnaire wrote: > Hi, > > A new version of Irmin has been released (mainly a bug fix one) and will land soon in opam: > > https://github.com/ocaml/opam-repository/pull/4665 I see Travis says: [ERROR] No package matches irmin-indexeddb<0.1. Skipping uninstallable REVDEP irmin-indexeddb 0/1 REVDEPS installable Was this intentional (adding the config functions would indeed break irmin-indexeddb), or did the Travis tests fail to spot the problem? > This version mainly brings support for lwt 2.5.0. See the full list of changes below. > > I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. > > [1]: https://github.com/mirage/irmin/blob/master/README.md > > Best, > Thomas > > == Changes > > * Allow raw bodies in queries and responses for the REST API. This is > controlled by the `Content-type` field set by the client: > by default, we still use JSON (or use `application/json`) but using > `application/octet-stream` will avoid having to hex-encode large > binary blobs to make them JSON-compatible. This feature is still > experimental (especially when using Git on the server) (#255) > * Adapt to `ocaml-git.1.7.1` (which works with `lwt.2.5.0`) > * Expose `Store.config` for all the stores (`AO`, `RW`, etc.) > * Expose `Irmin_git.Internals` to be able to get back the > Git commit objects from an `head` value (#245, #241) > * Expose `Irmin.Private.remove_node` > * Remove the special `__root__` filename in Irmin stores and in views > (#233) > - This fixes `View.update_path` when the view contains a value at its > root. Now the updated path contains a the value stored at the root > of the view. > - Writing a value to the root of a store is now an error > - Reading a value at the root of a store always return `None` > * Make the HTTP backend re-raise the `Invalid_argument` and `Failure` > exceptions that were raised by the server. > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:52:22 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:52:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFP6-0004zd-Em; Fri, 14 Aug 2015 13:52:16 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFP5-0004zS-6C for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:52:15 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id A1/68-16618-E82FDC55; Fri, 14 Aug 2015 13:52:14 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1439560332!40809841!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10357 invoked from network); 14 Aug 2015 13:52:13 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:52:13 -0000 Received: by vkhl6 with SMTP id l6so29500984vkh.1 for ; Fri, 14 Aug 2015 06:52:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=kiBQjoTL17PCeGP0/a9D/Ljcmi6odj9YyqDv8DarG88=; b=CqWzhfi+uhrifOnDjIpsY/4rL1Px+0rgML8MGkI6xJYyqzUNrvpjbOVx57R1jFW8G6 m6kPCqTaB+4voWpb/mWQjYZnGbK2EgBS7megFnHhy5gpoDjj+qyj3DEsOlyiYbWCxxKH Q/2JjEzU2ompMBHO4FrflMjwAIO3bsCN+siSqIlGU8cfy+dFRhHGxioKtSzxLNf3kNId MdKYxbYBq8N0mr1unnldElhXmrxnCO6Zxf+tVxuoSqtjxHIYgh/5qUEZwChFQ4FNR+sZ V9ACK34CCtBN67H+fztzYcCCUe1Z7dcYSqD06ODFeEOpFaP6mutznhJZE0NWn4x234U7 8TVA== MIME-Version: 1.0 X-Received: by 10.52.171.199 with SMTP id aw7mr55068691vdc.87.1439560332521; Fri, 14 Aug 2015 06:52:12 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 06:52:12 -0700 (PDT) In-Reply-To: References: Date: Fri, 14 Aug 2015 14:52:12 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:42, Thomas Gazagnaire wrote: > Hi, > > A new version of Irmin has been released (mainly a bug fix one) and will land soon in opam: > > https://github.com/ocaml/opam-repository/pull/4665 I see Travis says: [ERROR] No package matches irmin-indexeddb<0.1. Skipping uninstallable REVDEP irmin-indexeddb 0/1 REVDEPS installable Was this intentional (adding the config functions would indeed break irmin-indexeddb), or did the Travis tests fail to spot the problem? > This version mainly brings support for lwt 2.5.0. See the full list of changes below. > > I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. > > [1]: https://github.com/mirage/irmin/blob/master/README.md > > Best, > Thomas > > == Changes > > * Allow raw bodies in queries and responses for the REST API. This is > controlled by the `Content-type` field set by the client: > by default, we still use JSON (or use `application/json`) but using > `application/octet-stream` will avoid having to hex-encode large > binary blobs to make them JSON-compatible. This feature is still > experimental (especially when using Git on the server) (#255) > * Adapt to `ocaml-git.1.7.1` (which works with `lwt.2.5.0`) > * Expose `Store.config` for all the stores (`AO`, `RW`, etc.) > * Expose `Irmin_git.Internals` to be able to get back the > Git commit objects from an `head` value (#245, #241) > * Expose `Irmin.Private.remove_node` > * Remove the special `__root__` filename in Irmin stores and in views > (#233) > - This fixes `View.update_path` when the view contains a value at its > root. Now the updated path contains a the value stored at the root > of the view. > - Writing a value to the root of a store is now an error > - Reading a value at the root of a store always return `None` > * Make the HTTP backend re-raise the `Invalid_argument` and `Failure` > exceptions that were raised by the server. > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:53:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:53:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFQM-000548-KU; Fri, 14 Aug 2015 13:53:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFQK-000542-RW for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:53:32 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id AB/B5-12889-CD2FDC55; Fri, 14 Aug 2015 13:53:32 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-13.tower-27.messagelabs.com!1439560410!40883596!1 X-Originating-IP: [209.85.212.170] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3308 invoked from network); 14 Aug 2015 13:53:31 -0000 Received: from mail-wi0-f170.google.com (HELO mail-wi0-f170.google.com) (209.85.212.170) by server-13.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:53:31 -0000 Received: by wicne3 with SMTP id ne3so20176462wic.1 for ; Fri, 14 Aug 2015 06:53:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=708DVeVK1vFNHRdS8mp386NFfEMelix5hH0FhbS2VEI=; b=hDsACsDBKdSW6PExO1Y7lDfsXGKtskjLQSMkm7cSE3Hg3pr2dXHZKE+ZVcRoUpAbj3 j6KQBUZ0MuFH/XD2iilT2aXXG5kH756+aniwWATkApZalKRnmiJWwqYfEMeDQcXVnK51 amTo08ME7Gg8kqd/SdDAHcBx0iwJuIMZcRtKw8YKHnNjPiwdnIYWm0C1DPjvW9GapG4f 2u7Ctsr40uHOgAss4KvdyJNwv2UQ7Y56xCvMaoaWhjFg2DLsMsTbj8IWAz600qP2I77Y Ou+azRWUqjQ775MhePAWgzn1YHHfKwnDIbwj7ywOrIkuNwWud3wEwmBbXKHdVwdBjRGm fOxw== X-Received: by 10.180.189.17 with SMTP id ge17mr6696271wic.90.1439560410640; Fri, 14 Aug 2015 06:53:30 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id lg6sm8368781wjb.10.2015.08.14.06.53.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:53:29 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 15:53:53 +0200 Message-Id: <01F0B80A-448F-463B-A8A1-5A07577952D6@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > I see Travis says: > > [ERROR] No package matches irmin-indexeddb<0.1. > Skipping uninstallable REVDEP irmin-indexeddb > 0/1 REVDEPS installable > > Was this intentional (adding the config functions would indeed break > irmin-indexeddb), or did the Travis tests fail to spot the problem? yes, I've added the restriction in opam-repository few days ago. REVDEPS works great :-) > >> This version mainly brings support for lwt 2.5.0. See the full list of changes below. >> >> I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. >> >> [1]: https://github.com/mirage/irmin/blob/master/README.md >> >> Best, >> Thomas >> >> == Changes >> >> * Allow raw bodies in queries and responses for the REST API. This is >> controlled by the `Content-type` field set by the client: >> by default, we still use JSON (or use `application/json`) but using >> `application/octet-stream` will avoid having to hex-encode large >> binary blobs to make them JSON-compatible. This feature is still >> experimental (especially when using Git on the server) (#255) >> * Adapt to `ocaml-git.1.7.1` (which works with `lwt.2.5.0`) >> * Expose `Store.config` for all the stores (`AO`, `RW`, etc.) >> * Expose `Irmin_git.Internals` to be able to get back the >> Git commit objects from an `head` value (#245, #241) >> * Expose `Irmin.Private.remove_node` >> * Remove the special `__root__` filename in Irmin stores and in views >> (#233) >> - This fixes `View.update_path` when the view contains a value at its >> root. Now the updated path contains a the value stored at the root >> of the view. >> - Writing a value to the root of a store is now an error >> - Reading a value at the root of a store always return `None` >> * Make the HTTP backend re-raise the `Invalid_argument` and `Failure` >> exceptions that were raised by the server. >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 13:53:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 13:53:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFQM-000548-KU; Fri, 14 Aug 2015 13:53:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFQK-000542-RW for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 13:53:32 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id AB/B5-12889-CD2FDC55; Fri, 14 Aug 2015 13:53:32 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-13.tower-27.messagelabs.com!1439560410!40883596!1 X-Originating-IP: [209.85.212.170] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3308 invoked from network); 14 Aug 2015 13:53:31 -0000 Received: from mail-wi0-f170.google.com (HELO mail-wi0-f170.google.com) (209.85.212.170) by server-13.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 13:53:31 -0000 Received: by wicne3 with SMTP id ne3so20176462wic.1 for ; Fri, 14 Aug 2015 06:53:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=708DVeVK1vFNHRdS8mp386NFfEMelix5hH0FhbS2VEI=; b=hDsACsDBKdSW6PExO1Y7lDfsXGKtskjLQSMkm7cSE3Hg3pr2dXHZKE+ZVcRoUpAbj3 j6KQBUZ0MuFH/XD2iilT2aXXG5kH756+aniwWATkApZalKRnmiJWwqYfEMeDQcXVnK51 amTo08ME7Gg8kqd/SdDAHcBx0iwJuIMZcRtKw8YKHnNjPiwdnIYWm0C1DPjvW9GapG4f 2u7Ctsr40uHOgAss4KvdyJNwv2UQ7Y56xCvMaoaWhjFg2DLsMsTbj8IWAz600qP2I77Y Ou+azRWUqjQ775MhePAWgzn1YHHfKwnDIbwj7ywOrIkuNwWud3wEwmBbXKHdVwdBjRGm fOxw== X-Received: by 10.180.189.17 with SMTP id ge17mr6696271wic.90.1439560410640; Fri, 14 Aug 2015 06:53:30 -0700 (PDT) Received: from [10.5.3.207] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id lg6sm8368781wjb.10.2015.08.14.06.53.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 14 Aug 2015 06:53:29 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 14 Aug 2015 15:53:53 +0200 Message-Id: <01F0B80A-448F-463B-A8A1-5A07577952D6@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > I see Travis says: > > [ERROR] No package matches irmin-indexeddb<0.1. > Skipping uninstallable REVDEP irmin-indexeddb > 0/1 REVDEPS installable > > Was this intentional (adding the config functions would indeed break > irmin-indexeddb), or did the Travis tests fail to spot the problem? yes, I've added the restriction in opam-repository few days ago. REVDEPS works great :-) > >> This version mainly brings support for lwt 2.5.0. See the full list of changes below. >> >> I've also updated the main README[1] to import some contents from the wiki, especially the list of use-cases and links. If you are using Irmin and/or have some write-up about it, please update the lists with a short description. >> >> [1]: https://github.com/mirage/irmin/blob/master/README.md >> >> Best, >> Thomas >> >> == Changes >> >> * Allow raw bodies in queries and responses for the REST API. This is >> controlled by the `Content-type` field set by the client: >> by default, we still use JSON (or use `application/json`) but using >> `application/octet-stream` will avoid having to hex-encode large >> binary blobs to make them JSON-compatible. This feature is still >> experimental (especially when using Git on the server) (#255) >> * Adapt to `ocaml-git.1.7.1` (which works with `lwt.2.5.0`) >> * Expose `Store.config` for all the stores (`AO`, `RW`, etc.) >> * Expose `Irmin_git.Internals` to be able to get back the >> Git commit objects from an `head` value (#245, #241) >> * Expose `Irmin.Private.remove_node` >> * Remove the special `__root__` filename in Irmin stores and in views >> (#233) >> - This fixes `View.update_path` when the view contains a value at its >> root. Now the updated path contains a the value stored at the root >> of the view. >> - Writing a value to the root of a store is now an error >> - Reading a value at the root of a store always return `None` >> * Make the HTTP backend re-raise the `Invalid_argument` and `Failure` >> exceptions that were raised by the server. >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 14:21:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 14:21:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFrY-0007gv-4B; Fri, 14 Aug 2015 14:21:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFrX-0007gq-Fc for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 14:21:39 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 7B/DB-29649-279FDC55; Fri, 14 Aug 2015 14:21:38 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1439562097!35079815!1 X-Originating-IP: [209.85.213.53] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19703 invoked from network); 14 Aug 2015 14:21:38 -0000 Received: from mail-vk0-f53.google.com (HELO mail-vk0-f53.google.com) (209.85.213.53) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 14:21:38 -0000 Received: by vkfi73 with SMTP id i73so30543377vkf.2 for ; Fri, 14 Aug 2015 07:21:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=3XAIgkUrJL6K4PMRHcnpKI+l22sLBzHJe3jaad+tGe4=; b=N/YPimoVxFnTzzKIqmMA3gnV6cQsddMPLMPU4MwD8lh8CS3ptlGBxkUm2P2c46EmBg 2ONOwRumxa5KX6DC0YF8osve6hlSPw7oszOtkMx2S3935IveNEtxgZmyw2T9shEO/rX/ QRQIf6rhw6IqvxDb1I5AX87hZ7TRkow/92OC6xtaVGNhQBpJQfLzzHxki86JkInGcsQS KzEUtN1XqD+D9lpLN3+MlC/OskABiu7sFIxXD92tPCh3Wlen+yrDFTfpHkJrPKZllWmD bjVu5X3X4aDNJWrbnqi6ajBejwGIojyDuD+pr/fXx1p/qHwdwL/bVX45iE5rrlrfzJmd KVOg== MIME-Version: 1.0 X-Received: by 10.52.109.230 with SMTP id hv6mr54094869vdb.43.1439562097374; Fri, 14 Aug 2015 07:21:37 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 07:21:37 -0700 (PDT) In-Reply-To: <01F0B80A-448F-463B-A8A1-5A07577952D6@gazagnaire.org> References: <01F0B80A-448F-463B-A8A1-5A07577952D6@gazagnaire.org> Date: Fri, 14 Aug 2015 15:21:37 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:53, Thomas Gazagnaire wrote: >> I see Travis says: >> >> [ERROR] No package matches irmin-indexeddb<0.1. >> Skipping uninstallable REVDEP irmin-indexeddb >> 0/1 REVDEPS installable >> >> Was this intentional (adding the config functions would indeed break >> irmin-indexeddb), or did the Travis tests fail to spot the problem? > > yes, I've added the restriction in opam-repository few days ago. REVDEPS works great :-) Ah, success then! :-) Strange error message though... -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 14 14:21:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 14 Aug 2015 14:21:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFrY-0007gv-4B; Fri, 14 Aug 2015 14:21:40 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQFrX-0007gq-Fc for mirageos-devel@lists.xenproject.org; Fri, 14 Aug 2015 14:21:39 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 7B/DB-29649-279FDC55; Fri, 14 Aug 2015 14:21:38 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1439562097!35079815!1 X-Originating-IP: [209.85.213.53] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19703 invoked from network); 14 Aug 2015 14:21:38 -0000 Received: from mail-vk0-f53.google.com (HELO mail-vk0-f53.google.com) (209.85.213.53) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Aug 2015 14:21:38 -0000 Received: by vkfi73 with SMTP id i73so30543377vkf.2 for ; Fri, 14 Aug 2015 07:21:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=3XAIgkUrJL6K4PMRHcnpKI+l22sLBzHJe3jaad+tGe4=; b=N/YPimoVxFnTzzKIqmMA3gnV6cQsddMPLMPU4MwD8lh8CS3ptlGBxkUm2P2c46EmBg 2ONOwRumxa5KX6DC0YF8osve6hlSPw7oszOtkMx2S3935IveNEtxgZmyw2T9shEO/rX/ QRQIf6rhw6IqvxDb1I5AX87hZ7TRkow/92OC6xtaVGNhQBpJQfLzzHxki86JkInGcsQS KzEUtN1XqD+D9lpLN3+MlC/OskABiu7sFIxXD92tPCh3Wlen+yrDFTfpHkJrPKZllWmD bjVu5X3X4aDNJWrbnqi6ajBejwGIojyDuD+pr/fXx1p/qHwdwL/bVX45iE5rrlrfzJmd KVOg== MIME-Version: 1.0 X-Received: by 10.52.109.230 with SMTP id hv6mr54094869vdb.43.1439562097374; Fri, 14 Aug 2015 07:21:37 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 14 Aug 2015 07:21:37 -0700 (PDT) In-Reply-To: <01F0B80A-448F-463B-A8A1-5A07577952D6@gazagnaire.org> References: <01F0B80A-448F-463B-A8A1-5A07577952D6@gazagnaire.org> Date: Fri, 14 Aug 2015 15:21:37 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] New irmin release (0.9.9) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 14 August 2015 at 14:53, Thomas Gazagnaire wrote: >> I see Travis says: >> >> [ERROR] No package matches irmin-indexeddb<0.1. >> Skipping uninstallable REVDEP irmin-indexeddb >> 0/1 REVDEPS installable >> >> Was this intentional (adding the config functions would indeed break >> irmin-indexeddb), or did the Travis tests fail to spot the problem? > > yes, I've added the restriction in opam-repository few days ago. REVDEPS works great :-) Ah, success then! :-) Strange error message though... -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 15 12:43:24 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 15 Aug 2015 12:43:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQanh-0002rD-75; Sat, 15 Aug 2015 12:43:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQanf-0002r8-V6 for mirageos-devel@lists.xenproject.org; Sat, 15 Aug 2015 12:43:04 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id 6C/EA-32641-7D33FC55; Sat, 15 Aug 2015 12:43:03 +0000 X-Env-Sender: matthew.thomas.gray@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1439642581!35205243!1 X-Originating-IP: [209.85.213.171] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 622 invoked from network); 15 Aug 2015 12:43:01 -0000 Received: from mail-ig0-f171.google.com (HELO mail-ig0-f171.google.com) (209.85.213.171) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 15 Aug 2015 12:43:01 -0000 Received: by igfj19 with SMTP id j19so29250645igf.0 for ; Sat, 15 Aug 2015 05:43:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=9x/bb9Mwj2SRxbO0UtoTxkgo17lhlT7+nxOW316Rx8c=; b=mRj+zLcUE3e66wXbuHKoi285jjvBJ5siqBXUiZ6iO0B3vAQBdbKU/BltipvAVqh7bt yDLDW9eq5Ig34KJ2U0Su/L8zgo7kdD3KUxmYvZUTc/9HWCuZ3TPsZoGogSpnKdlfmEJI udZW5iyvhlFsKaGfaTXpzRm8eR+fhTqG1LYTY/S8qkwb55myoCLejDm6jnMsbGG47g3c i/DcGk/f18axit/9U+dJVfs09rdYXW8TQB47viITB37vZe6YQhyMc1qmHIO5j4+xO4cZ L4v7HQaTkRgeGc+hZMYlxo3AmiUUypzihtVzfU0oD/jL+GpLys83FFjDa0oTTH0wBnrl WMZw== MIME-Version: 1.0 X-Received: by 10.50.43.137 with SMTP id w9mr7151826igl.30.1439642580912; Sat, 15 Aug 2015 05:43:00 -0700 (PDT) Received: by 10.64.139.97 with HTTP; Sat, 15 Aug 2015 05:43:00 -0700 (PDT) In-Reply-To: References: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> Date: Sat, 15 Aug 2015 13:43:00 +0100 Message-ID: From: Matthew Gray To: Thomas Gazagnaire Cc: Anil Madhavapeddy , "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7319303853713679786==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7319303853713679786== Content-Type: multipart/alternative; boundary=e89a8f8388f5a38fac051d58e83e --e89a8f8388f5a38fac051d58e83e Content-Type: text/plain; charset=UTF-8 I've updated the issue with some thoughts about how I'm going to go about this. Will have some code next week, hopefully On Mon, Aug 10, 2015 at 10:43 AM, Thomas Gazagnaire > wrote: > > The intention is to use this library as the base for timestamp > representation and adapt CLOCK to use that instead. For now, putting in a > float<->integer shim would get you past this, but it shouldn't be needed > after the conversion to Ptime... > > > > Ok, thanks. I still need to put together a proposal for a > scheduler/calendar module, I'll use ptime too. > > > I have just created https://github.com/mirage/mirage/issues/442 to keep > track of the new Clock API. Feel free to add design ideas there. > > Best, > Thomas > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --e89a8f8388f5a38fac051d58e83e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I've updated the issue with some thoughts about how I'm going to=C2= =A0go about this. Will have some code next week, hopefully

On Mon, Aug 10, 2015 at 10:43 = AM, Thomas Gazagnaire <thomas= @gazagnaire.org> wrote:
=
> The intention is to use this library as the= base for timestamp representation and adapt CLOCK to use that instead. Fo= r now, putting in a float<->integer shim would get you past this, but= it shouldn't be needed after the conversion to Ptime...
>
Ok, thanks. I still need to put together a proposal for a scheduler/calen= dar module, I'll use ptime too.

I have just created=C2=A0https://github.com/mira= ge/mirage/issues/442=C2=A0to keep track of the new Clock API. Feel free= to add design ideas there.

Best,
Thomas=

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org<= /a>
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel


--e89a8f8388f5a38fac051d58e83e-- --===============7319303853713679786== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7319303853713679786==-- From mirageos-devel-bounces@lists.xenproject.org Sat Aug 15 12:43:24 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 15 Aug 2015 12:43:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQanh-0002rD-75; Sat, 15 Aug 2015 12:43:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZQanf-0002r8-V6 for mirageos-devel@lists.xenproject.org; Sat, 15 Aug 2015 12:43:04 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id 6C/EA-32641-7D33FC55; Sat, 15 Aug 2015 12:43:03 +0000 X-Env-Sender: matthew.thomas.gray@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1439642581!35205243!1 X-Originating-IP: [209.85.213.171] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 622 invoked from network); 15 Aug 2015 12:43:01 -0000 Received: from mail-ig0-f171.google.com (HELO mail-ig0-f171.google.com) (209.85.213.171) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 15 Aug 2015 12:43:01 -0000 Received: by igfj19 with SMTP id j19so29250645igf.0 for ; Sat, 15 Aug 2015 05:43:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=9x/bb9Mwj2SRxbO0UtoTxkgo17lhlT7+nxOW316Rx8c=; b=mRj+zLcUE3e66wXbuHKoi285jjvBJ5siqBXUiZ6iO0B3vAQBdbKU/BltipvAVqh7bt yDLDW9eq5Ig34KJ2U0Su/L8zgo7kdD3KUxmYvZUTc/9HWCuZ3TPsZoGogSpnKdlfmEJI udZW5iyvhlFsKaGfaTXpzRm8eR+fhTqG1LYTY/S8qkwb55myoCLejDm6jnMsbGG47g3c i/DcGk/f18axit/9U+dJVfs09rdYXW8TQB47viITB37vZe6YQhyMc1qmHIO5j4+xO4cZ L4v7HQaTkRgeGc+hZMYlxo3AmiUUypzihtVzfU0oD/jL+GpLys83FFjDa0oTTH0wBnrl WMZw== MIME-Version: 1.0 X-Received: by 10.50.43.137 with SMTP id w9mr7151826igl.30.1439642580912; Sat, 15 Aug 2015 05:43:00 -0700 (PDT) Received: by 10.64.139.97 with HTTP; Sat, 15 Aug 2015 05:43:00 -0700 (PDT) In-Reply-To: References: <28F1A965-0FAE-4A86-B1EE-6AEFBBD8E33D@recoil.org> Date: Sat, 15 Aug 2015 13:43:00 +0100 Message-ID: From: Matthew Gray To: Thomas Gazagnaire Cc: Anil Madhavapeddy , "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Mirage clock X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7319303853713679786==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7319303853713679786== Content-Type: multipart/alternative; boundary=e89a8f8388f5a38fac051d58e83e --e89a8f8388f5a38fac051d58e83e Content-Type: text/plain; charset=UTF-8 I've updated the issue with some thoughts about how I'm going to go about this. Will have some code next week, hopefully On Mon, Aug 10, 2015 at 10:43 AM, Thomas Gazagnaire > wrote: > > The intention is to use this library as the base for timestamp > representation and adapt CLOCK to use that instead. For now, putting in a > float<->integer shim would get you past this, but it shouldn't be needed > after the conversion to Ptime... > > > > Ok, thanks. I still need to put together a proposal for a > scheduler/calendar module, I'll use ptime too. > > > I have just created https://github.com/mirage/mirage/issues/442 to keep > track of the new Clock API. Feel free to add design ideas there. > > Best, > Thomas > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --e89a8f8388f5a38fac051d58e83e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I've updated the issue with some thoughts about how I'm going to=C2= =A0go about this. Will have some code next week, hopefully

On Mon, Aug 10, 2015 at 10:43 = AM, Thomas Gazagnaire <thomas= @gazagnaire.org> wrote:
=
> The intention is to use this library as the= base for timestamp representation and adapt CLOCK to use that instead. Fo= r now, putting in a float<->integer shim would get you past this, but= it shouldn't be needed after the conversion to Ptime...
>
Ok, thanks. I still need to put together a proposal for a scheduler/calen= dar module, I'll use ptime too.

I have just created=C2=A0https://github.com/mira= ge/mirage/issues/442=C2=A0to keep track of the new Clock API. Feel free= to add design ideas there.

Best,
Thomas=

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org<= /a>
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel


--e89a8f8388f5a38fac051d58e83e-- --===============7319303853713679786== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7319303853713679786==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 18:02:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 18:02:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROju-0000Cr-PV; Mon, 17 Aug 2015 18:02:30 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROjt-0000Cm-Kd for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 18:02:29 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id 54/7C-03819-5B122D55; Mon, 17 Aug 2015 18:02:29 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-13.tower-206.messagelabs.com!1439834547!28576941!1 X-Originating-IP: [66.111.4.25] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjUgPT4gNDQ5ODE=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32325 invoked from network); 17 Aug 2015 18:02:28 -0000 Received: from out1-smtp.messagingengine.com (HELO out1-smtp.messagingengine.com) (66.111.4.25) by server-13.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Aug 2015 18:02:28 -0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 3E48C20B9E for ; Mon, 17 Aug 2015 14:02:27 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute4.internal (MEProxy); Mon, 17 Aug 2015 14:02:27 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h= content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=I4a qHP+cJkfBRWAfRUEGE+MimB8=; b=0PVtkvZX1wo5LPlMuS8bP6DQdLiflRE18nH oDsS4F69ZBu5wMCwKFOC+CvCTys5bEDq5MSUa2W/GEmWWYcTNul3z9iohAvysrnq qaoPydalGpdrUcbhWP0jJXaZBw1xeOuFLotzVptwDZLZaJjoThf4SGuE61R84mYO Zlj0RX8Y= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=I4aqHP+cJkfBRWAfRUEGE+MimB8=; b=tcbvm ieJUL3Nj5++ATNSALSulvO6mjaZ4cgz1Z2cxxsaoWIeVxgpqm/hBLulPYu2ey7Bi VZMi/BAfMqGpdwKNBvaFPg/07jC5nVIyB85BCBv87yzZX8eSiJzwAT47pxEd2bRt h+aC34si4Ig4nlvA/AVRDIGdXMvwRy5eIMxI1M= Received: by web6.nyi.internal (Postfix, from userid 99) id 0F37340075; Mon, 17 Aug 2015 14:02:27 -0400 (EDT) Message-Id: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> X-Sasl-Enc: CWthoZSVftjphPaxjKLI700EoVls+RXx035yGbqvi/bd 1439834547 From: Magnus Skjegstad To: mirageos-devel@lists.xenproject.org MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4fee8ba5 Date: Mon, 17 Aug 2015 20:02:27 +0200 Subject: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I have released a new version of Jitsu that adds support for Rumprun unikernels, uses Irmin for internal state and supports libxl and XAPI. Full list of changes here: https://github.com/mirage/jitsu/releases/tag/0.2.0 I've written a blog post with a summary of the features here: http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ The more technical details are in the README: https://github.com/mirage/jitsu/blob/master/README.md There's also a Jitsu running that hosts http:// www.jitsu.v0.no and http://www.rump.jitsu.v0.no - hopefully they will stay online for a while, but I'm also using the server for testing so they may go down from time to time :) -- Magnus _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 18:02:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 18:02:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROju-0000Cr-PV; Mon, 17 Aug 2015 18:02:30 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROjt-0000Cm-Kd for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 18:02:29 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id 54/7C-03819-5B122D55; Mon, 17 Aug 2015 18:02:29 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-13.tower-206.messagelabs.com!1439834547!28576941!1 X-Originating-IP: [66.111.4.25] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjUgPT4gNDQ5ODE=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32325 invoked from network); 17 Aug 2015 18:02:28 -0000 Received: from out1-smtp.messagingengine.com (HELO out1-smtp.messagingengine.com) (66.111.4.25) by server-13.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Aug 2015 18:02:28 -0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 3E48C20B9E for ; Mon, 17 Aug 2015 14:02:27 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute4.internal (MEProxy); Mon, 17 Aug 2015 14:02:27 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h= content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=I4a qHP+cJkfBRWAfRUEGE+MimB8=; b=0PVtkvZX1wo5LPlMuS8bP6DQdLiflRE18nH oDsS4F69ZBu5wMCwKFOC+CvCTys5bEDq5MSUa2W/GEmWWYcTNul3z9iohAvysrnq qaoPydalGpdrUcbhWP0jJXaZBw1xeOuFLotzVptwDZLZaJjoThf4SGuE61R84mYO Zlj0RX8Y= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=I4aqHP+cJkfBRWAfRUEGE+MimB8=; b=tcbvm ieJUL3Nj5++ATNSALSulvO6mjaZ4cgz1Z2cxxsaoWIeVxgpqm/hBLulPYu2ey7Bi VZMi/BAfMqGpdwKNBvaFPg/07jC5nVIyB85BCBv87yzZX8eSiJzwAT47pxEd2bRt h+aC34si4Ig4nlvA/AVRDIGdXMvwRy5eIMxI1M= Received: by web6.nyi.internal (Postfix, from userid 99) id 0F37340075; Mon, 17 Aug 2015 14:02:27 -0400 (EDT) Message-Id: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> X-Sasl-Enc: CWthoZSVftjphPaxjKLI700EoVls+RXx035yGbqvi/bd 1439834547 From: Magnus Skjegstad To: mirageos-devel@lists.xenproject.org MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4fee8ba5 Date: Mon, 17 Aug 2015 20:02:27 +0200 Subject: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I have released a new version of Jitsu that adds support for Rumprun unikernels, uses Irmin for internal state and supports libxl and XAPI. Full list of changes here: https://github.com/mirage/jitsu/releases/tag/0.2.0 I've written a blog post with a summary of the features here: http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ The more technical details are in the README: https://github.com/mirage/jitsu/blob/master/README.md There's also a Jitsu running that hosts http:// www.jitsu.v0.no and http://www.rump.jitsu.v0.no - hopefully they will stay online for a while, but I'm also using the server for testing so they may go down from time to time :) -- Magnus _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 18:12:39 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 18:12:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROtc-0000eU-J5; Mon, 17 Aug 2015 18:12:32 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROtb-0000eP-AH for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 18:12:31 +0000 Received: from [193.109.254.147] by server-13.bemta-14.messagelabs.com id CA/1B-12371-E0422D55; Mon, 17 Aug 2015 18:12:30 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-27.messagelabs.com!1439835149!41587412!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8045 invoked from network); 17 Aug 2015 18:12:29 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-13.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Aug 2015 18:12:29 -0000 Received: from [10.11.17.38] (69.84.245.29 [69.84.245.29]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 9de3d708; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 17 Aug 2015 19:13:47 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> Date: Mon, 17 Aug 2015 11:12:25 -0700 Message-Id: <3E0C4168-CC2C-48EF-9C82-AD7021DB4874@recoil.org> References: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> To: Magnus Skjegstad X-Mailer: Apple Mail (2.2102) Cc: Martin Lucina , mirageos-devel Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 17 Aug 2015, at 11:02, Magnus Skjegstad wrote: > > I have released a new version of Jitsu that adds support for Rumprun > unikernels, uses Irmin for internal state and supports libxl and XAPI. > Full list of changes here: > https://github.com/mirage/jitsu/releases/tag/0.2.0 > > I've written a blog post with a summary of the features here: > http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ > The more technical details are in the README: > https://github.com/mirage/jitsu/blob/master/README.md > > There's also a Jitsu running that hosts http:// www.jitsu.v0.no and > http://www.rump.jitsu.v0.no - hopefully they will stay online for a > while, but I'm also using the server for testing so they may go down > from time to time :) Really nice work! I'm CCing Martin Lucina, who has gotten PHP and MySQL rump unikernels running for his Xen Developer Summit talk tomorrow. We could headtowards a nice DNS-SD model for booting applications via service-discovery lookups... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 18:12:39 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 18:12:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROtc-0000eU-J5; Mon, 17 Aug 2015 18:12:32 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZROtb-0000eP-AH for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 18:12:31 +0000 Received: from [193.109.254.147] by server-13.bemta-14.messagelabs.com id CA/1B-12371-E0422D55; Mon, 17 Aug 2015 18:12:30 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-27.messagelabs.com!1439835149!41587412!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8045 invoked from network); 17 Aug 2015 18:12:29 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-13.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Aug 2015 18:12:29 -0000 Received: from [10.11.17.38] (69.84.245.29 [69.84.245.29]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 9de3d708; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 17 Aug 2015 19:13:47 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> Date: Mon, 17 Aug 2015 11:12:25 -0700 Message-Id: <3E0C4168-CC2C-48EF-9C82-AD7021DB4874@recoil.org> References: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> To: Magnus Skjegstad X-Mailer: Apple Mail (2.2102) Cc: Martin Lucina , mirageos-devel Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 17 Aug 2015, at 11:02, Magnus Skjegstad wrote: > > I have released a new version of Jitsu that adds support for Rumprun > unikernels, uses Irmin for internal state and supports libxl and XAPI. > Full list of changes here: > https://github.com/mirage/jitsu/releases/tag/0.2.0 > > I've written a blog post with a summary of the features here: > http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ > The more technical details are in the README: > https://github.com/mirage/jitsu/blob/master/README.md > > There's also a Jitsu running that hosts http:// www.jitsu.v0.no and > http://www.rump.jitsu.v0.no - hopefully they will stay online for a > while, but I'm also using the server for testing so they may go down > from time to time :) Really nice work! I'm CCing Martin Lucina, who has gotten PHP and MySQL rump unikernels running for his Xen Developer Summit talk tomorrow. We could headtowards a nice DNS-SD model for booting applications via service-discovery lookups... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 22:05:58 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 22:05:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRSXR-0005BI-Fm; Mon, 17 Aug 2015 22:05:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRSXQ-0005BA-Ep for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 22:05:52 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 1D/A7-05269-FBA52D55; Mon, 17 Aug 2015 22:05:51 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1439849150!35787060!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8221 invoked from network); 17 Aug 2015 22:05:51 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-11.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Aug 2015 22:05:51 -0000 Received: from [10.11.17.38] (69.84.245.29 [69.84.245.29]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 4c3504ab; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 17 Aug 2015 23:05:58 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> Date: Mon, 17 Aug 2015 15:05:43 -0700 Message-Id: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> References: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> To: Magnus Skjegstad X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 17 Aug 2015, at 11:02, Magnus Skjegstad wrote: > > I have released a new version of Jitsu that adds support for Rumprun > unikernels, uses Irmin for internal state and supports libxl and XAPI. > Full list of changes here: > https://github.com/mirage/jitsu/releases/tag/0.2.0 > > I've written a blog post with a summary of the features here: > http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ > The more technical details are in the README: > https://github.com/mirage/jitsu/blob/master/README.md > > There's also a Jitsu running that hosts http:// www.jitsu.v0.no and > http://www.rump.jitsu.v0.no - hopefully they will stay online for a > while, but I'm also using the server for testing so they may go down > from time to time :) Magnus also just setup the Irmin to push to GitHub, so you can see its live state updates there. https://github.com/MagnusS/jitsu-demo-data/commits/master Looks like the duplicate Git index bug is fixed now, Thomas! Now onto garbage collection :-) -a _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 22:05:58 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 22:05:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRSXR-0005BI-Fm; Mon, 17 Aug 2015 22:05:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRSXQ-0005BA-Ep for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 22:05:52 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 1D/A7-05269-FBA52D55; Mon, 17 Aug 2015 22:05:51 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1439849150!35787060!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8221 invoked from network); 17 Aug 2015 22:05:51 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-11.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Aug 2015 22:05:51 -0000 Received: from [10.11.17.38] (69.84.245.29 [69.84.245.29]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 4c3504ab; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 17 Aug 2015 23:05:58 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> Date: Mon, 17 Aug 2015 15:05:43 -0700 Message-Id: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> References: <1439834547.3931432.358450417.4714083C@webmail.messagingengine.com> To: Magnus Skjegstad X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 17 Aug 2015, at 11:02, Magnus Skjegstad wrote: > > I have released a new version of Jitsu that adds support for Rumprun > unikernels, uses Irmin for internal state and supports libxl and XAPI. > Full list of changes here: > https://github.com/mirage/jitsu/releases/tag/0.2.0 > > I've written a blog post with a summary of the features here: > http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ > The more technical details are in the README: > https://github.com/mirage/jitsu/blob/master/README.md > > There's also a Jitsu running that hosts http:// www.jitsu.v0.no and > http://www.rump.jitsu.v0.no - hopefully they will stay online for a > while, but I'm also using the server for testing so they may go down > from time to time :) Magnus also just setup the Irmin to push to GitHub, so you can see its live state updates there. https://github.com/MagnusS/jitsu-demo-data/commits/master Looks like the duplicate Git index bug is fixed now, Thomas! Now onto garbage collection :-) -a _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 22:45:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 22:45:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRT9u-0006wu-JW; Mon, 17 Aug 2015 22:45:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRT9s-0006wp-8n for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 22:45:36 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id EC/CD-03763-F0462D55; Mon, 17 Aug 2015 22:45:35 +0000 X-Env-Sender: marklrh@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1439851533!35707588!1 X-Originating-IP: [209.85.192.49] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_20_30,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30952 invoked from network); 17 Aug 2015 22:45:33 -0000 Received: from mail-qg0-f49.google.com (HELO mail-qg0-f49.google.com) (209.85.192.49) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Aug 2015 22:45:33 -0000 Received: by qgj62 with SMTP id 62so105234939qgj.2 for ; Mon, 17 Aug 2015 15:45:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:mime-version:message-id:in-reply-to:references:from:to:cc :subject:content-type; bh=rCwjoGbylH83MBI3Ah+uNE3wl9i13p/MJ8s/ZILdaNs=; b=oQl6C3IWL3rbGzVt8Weq1bOdFb8MBEg1qTJLW26GM52zb7PTj0snRv7pV8l3Cy/f/Q V+Rig3W/UfgeL624xAra27dHgT41TTuPdvVXIKBkUGU6cqMo9RLg9jvrSjK5eCcrqckr KGxs5tfCcmMLhQz8CTD8eXbXVPSGwfryrmz44Zchba0DCAWKz9NSOZ0JRoq71GBz+W9z I60onYrGIOOirJoej7Fz5f0utMIYPCq6ZtT5hXgvWV/3SqIAHSGBs+BTweWWyAyXWRG5 R5OvFwPPGtjuyk2AB4V0nnAfbUa1wPYol2UAP6GmiL3GyfSdiJ14nwsE8+WyBW9+LrOn MDuQ== X-Received: by 10.140.201.133 with SMTP id w127mr7523019qha.31.1439851532969; Mon, 17 Aug 2015 15:45:32 -0700 (PDT) Received: from hedwig-53.prd.orcali.com (ec2-54-85-253-117.compute-1.amazonaws.com. [54.85.253.117]) by smtp.gmail.com with ESMTPSA id 65sm9117834qkq.41.2015.08.17.15.45.32 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 17 Aug 2015 15:45:32 -0700 (PDT) Date: Mon, 17 Aug 2015 15:45:32 -0700 (PDT) X-Google-Original-Date: Mon, 17 Aug 2015 22:45:32 GMT MIME-Version: 1.0 X-Mailer: Nodemailer (0.5.0; +http://www.nodemailer.com/) Message-Id: <1439851532189.b2c9894a@Nodemailer> In-Reply-To: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> References: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> X-Orchestra-Oid: DA85A8D0-1C18-4D66-AF4A-DC2B5EF329D1 X-Orchestra-Sig: 0965ccae3f73464e9f6e0b00cabf93882b8560f8 X-Orchestra-Thrid: T2ADADBED-844D-45BD-A8CE-275E3FCAAE5C_1509775986160763371 X-Orchestra-Thrid-Sig: db9812d54d25fe9ed45f37e9268a9df17527ac4c X-Orchestra-Account: 555c9303a2a67ae021ced4e25b742b531086139d From: "Runhang Li" To: "Anil Madhavapeddy" Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8643327563046681463==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8643327563046681463== Content-Type: multipart/alternative; boundary="----Nodemailer-0.5.0-?=_1-1439851532428" ------Nodemailer-0.5.0-?=_1-1439851532428 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, Magnus I was pretty curious about the change of word allocation, so I hold my = refresh key for a period of time, and it is down now=E2=80=A6 I am really really sorry. Could you please start the application again=3F Thanks Kindly, Runhang On Mon, Aug 17, 2015 at 11:06 PM, Anil Madhavapeddy wrote: > On 17 Aug 2015, at 11:02, Magnus Skjegstad wrote: >>=20 >> I have released a new version of Jitsu that adds support for Rumprun >> unikernels, uses Irmin for internal state and supports libxl and XAPI. >> Full list of changes here: >> https://github.com/mirage/jitsu/releases/tag/0.2.0 >>=20 >> I've written a blog post with a summary of the features here: >> http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ >> The more technical details are in the README: >> https://github.com/mirage/jitsu/blob/master/README.md >>=20 >> There's also a Jitsu running that hosts http:// www.jitsu.v0.no and >> http://www.rump.jitsu.v0.no - hopefully they will stay online for a >> while, but I'm also using the server for testing so they may go down >> from time to time :) > Magnus also just setup the Irmin to push to GitHub, so you can see > its live state updates there. > https://github.com/MagnusS/jitsu-demo-data/commits/master > Looks like the duplicate Git index bug is fixed now, Thomas! > Now onto garbage collection :-) > -a > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel ------Nodemailer-0.5.0-?=_1-1439851532428 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hi, Magnus

I was pretty curious about the change of word allocation, so I hold my= refresh key for a period of time, and it is down now=E2=80=A6

I am really really sorry. Could you please start the application = again=3F

Thanks

Kindly,

Runhang


On Mon, Aug 17, 2015 at 11:06 = PM, Anil Madhavapeddy <anil@recoil.org> = wrote:

On 17 Aug 2015, = at 11:02, Magnus Skjegstad <magnus@v0.no> wrote:
>=20
> I have released a new version of Jitsu that adds support for = Rumprun
> unikernels, uses Irmin for internal state and supports libxl and = XAPI.
> Full list of changes here:
> https://github.com/mirage/jitsu/releases/tag/0.2.0
>=20
> I've written a blog post with a summary of the features here:
> http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/
> The more technical details are in the README:
> https://github.com/mirage/jitsu/blob/master/README.md
>=20
> There's also a Jitsu running that hosts http:// www.jitsu.v0.no = and
> http://www.rump.jitsu.v0.no - hopefully they will stay online for = a
> while, but I'm also using the server for testing so they may go = down
> from time to time :)

Magnus also just setup the Irmin to push to GitHub, so you can see
its live state updates there.

https://github.com/MagnusS/jitsu-demo-data/commits/master

Looks like the duplicate Git index bug is fixed now, Thomas!
Now onto garbage collection :-)

-a


=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel


------Nodemailer-0.5.0-?=_1-1439851532428-- --===============8643327563046681463== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8643327563046681463==-- From mirageos-devel-bounces@lists.xenproject.org Mon Aug 17 22:45:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 17 Aug 2015 22:45:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRT9u-0006wu-JW; Mon, 17 Aug 2015 22:45:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRT9s-0006wp-8n for mirageos-devel@lists.xenproject.org; Mon, 17 Aug 2015 22:45:36 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id EC/CD-03763-F0462D55; Mon, 17 Aug 2015 22:45:35 +0000 X-Env-Sender: marklrh@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1439851533!35707588!1 X-Originating-IP: [209.85.192.49] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_20_30,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30952 invoked from network); 17 Aug 2015 22:45:33 -0000 Received: from mail-qg0-f49.google.com (HELO mail-qg0-f49.google.com) (209.85.192.49) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Aug 2015 22:45:33 -0000 Received: by qgj62 with SMTP id 62so105234939qgj.2 for ; Mon, 17 Aug 2015 15:45:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:mime-version:message-id:in-reply-to:references:from:to:cc :subject:content-type; bh=rCwjoGbylH83MBI3Ah+uNE3wl9i13p/MJ8s/ZILdaNs=; b=oQl6C3IWL3rbGzVt8Weq1bOdFb8MBEg1qTJLW26GM52zb7PTj0snRv7pV8l3Cy/f/Q V+Rig3W/UfgeL624xAra27dHgT41TTuPdvVXIKBkUGU6cqMo9RLg9jvrSjK5eCcrqckr KGxs5tfCcmMLhQz8CTD8eXbXVPSGwfryrmz44Zchba0DCAWKz9NSOZ0JRoq71GBz+W9z I60onYrGIOOirJoej7Fz5f0utMIYPCq6ZtT5hXgvWV/3SqIAHSGBs+BTweWWyAyXWRG5 R5OvFwPPGtjuyk2AB4V0nnAfbUa1wPYol2UAP6GmiL3GyfSdiJ14nwsE8+WyBW9+LrOn MDuQ== X-Received: by 10.140.201.133 with SMTP id w127mr7523019qha.31.1439851532969; Mon, 17 Aug 2015 15:45:32 -0700 (PDT) Received: from hedwig-53.prd.orcali.com (ec2-54-85-253-117.compute-1.amazonaws.com. [54.85.253.117]) by smtp.gmail.com with ESMTPSA id 65sm9117834qkq.41.2015.08.17.15.45.32 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 17 Aug 2015 15:45:32 -0700 (PDT) Date: Mon, 17 Aug 2015 15:45:32 -0700 (PDT) X-Google-Original-Date: Mon, 17 Aug 2015 22:45:32 GMT MIME-Version: 1.0 X-Mailer: Nodemailer (0.5.0; +http://www.nodemailer.com/) Message-Id: <1439851532189.b2c9894a@Nodemailer> In-Reply-To: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> References: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> X-Orchestra-Oid: DA85A8D0-1C18-4D66-AF4A-DC2B5EF329D1 X-Orchestra-Sig: 0965ccae3f73464e9f6e0b00cabf93882b8560f8 X-Orchestra-Thrid: T2ADADBED-844D-45BD-A8CE-275E3FCAAE5C_1509775986160763371 X-Orchestra-Thrid-Sig: db9812d54d25fe9ed45f37e9268a9df17527ac4c X-Orchestra-Account: 555c9303a2a67ae021ced4e25b742b531086139d From: "Runhang Li" To: "Anil Madhavapeddy" Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8643327563046681463==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8643327563046681463== Content-Type: multipart/alternative; boundary="----Nodemailer-0.5.0-?=_1-1439851532428" ------Nodemailer-0.5.0-?=_1-1439851532428 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, Magnus I was pretty curious about the change of word allocation, so I hold my = refresh key for a period of time, and it is down now=E2=80=A6 I am really really sorry. Could you please start the application again=3F Thanks Kindly, Runhang On Mon, Aug 17, 2015 at 11:06 PM, Anil Madhavapeddy wrote: > On 17 Aug 2015, at 11:02, Magnus Skjegstad wrote: >>=20 >> I have released a new version of Jitsu that adds support for Rumprun >> unikernels, uses Irmin for internal state and supports libxl and XAPI. >> Full list of changes here: >> https://github.com/mirage/jitsu/releases/tag/0.2.0 >>=20 >> I've written a blog post with a summary of the features here: >> http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/ >> The more technical details are in the README: >> https://github.com/mirage/jitsu/blob/master/README.md >>=20 >> There's also a Jitsu running that hosts http:// www.jitsu.v0.no and >> http://www.rump.jitsu.v0.no - hopefully they will stay online for a >> while, but I'm also using the server for testing so they may go down >> from time to time :) > Magnus also just setup the Irmin to push to GitHub, so you can see > its live state updates there. > https://github.com/MagnusS/jitsu-demo-data/commits/master > Looks like the duplicate Git index bug is fixed now, Thomas! > Now onto garbage collection :-) > -a > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel ------Nodemailer-0.5.0-?=_1-1439851532428 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hi, Magnus

I was pretty curious about the change of word allocation, so I hold my= refresh key for a period of time, and it is down now=E2=80=A6

I am really really sorry. Could you please start the application = again=3F

Thanks

Kindly,

Runhang


On Mon, Aug 17, 2015 at 11:06 = PM, Anil Madhavapeddy <anil@recoil.org> = wrote:

On 17 Aug 2015, = at 11:02, Magnus Skjegstad <magnus@v0.no> wrote:
>=20
> I have released a new version of Jitsu that adds support for = Rumprun
> unikernels, uses Irmin for internal state and supports libxl and = XAPI.
> Full list of changes here:
> https://github.com/mirage/jitsu/releases/tag/0.2.0
>=20
> I've written a blog post with a summary of the features here:
> http://www.skjegstad.com/blog/2015/08/17/jitsu-v02/
> The more technical details are in the README:
> https://github.com/mirage/jitsu/blob/master/README.md
>=20
> There's also a Jitsu running that hosts http:// www.jitsu.v0.no = and
> http://www.rump.jitsu.v0.no - hopefully they will stay online for = a
> while, but I'm also using the server for testing so they may go = down
> from time to time :)

Magnus also just setup the Irmin to push to GitHub, so you can see
its live state updates there.

https://github.com/MagnusS/jitsu-demo-data/commits/master

Looks like the duplicate Git index bug is fixed now, Thomas!
Now onto garbage collection :-)

-a


=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel


------Nodemailer-0.5.0-?=_1-1439851532428-- --===============8643327563046681463== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8643327563046681463==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 18 06:51:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 18 Aug 2015 06:51:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRajW-0000tv-9R; Tue, 18 Aug 2015 06:50:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRajU-0000to-VK for mirageos-devel@lists.xenproject.org; Tue, 18 Aug 2015 06:50:53 +0000 Received: from [85.158.137.68] by server-10.bemta-3.messagelabs.com id 7D/DD-23203-CC5D2D55; Tue, 18 Aug 2015 06:50:52 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-31.messagelabs.com!1439880651!35809289!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21632 invoked from network); 18 Aug 2015 06:50:51 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-3.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 18 Aug 2015 06:50:51 -0000 Received: from [192.168.129.119] (216.4.249.233 [216.4.249.233]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 387e25da; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Tue, 18 Aug 2015 07:50:50 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 17 Aug 2015 23:50:47 -0700 Message-Id: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> References: To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org [+mirageos-devel -- Christiano's pioneer project on dhcp is working now!) On 17 Aug 2015, at 10:14, Christiano F. Haesbaert wrote: > > On 17 August 2015 at 18:47, Anil Madhavapeddy wrote: >> >> Just wondering -- before Mirage support directly, is it worth putting together >> a mini-dnsmasq-style server so that we can play with it "in production"? >> > > I'm not sure, the problem is I'd to to release the Rawlink library I > wrote: https://github.com/haesbaert/rawlink > > And frankly I don't like that code, I wrote too much stuff in C, so > I'd rewrite that first. As long as the OCaml interface is reasonably stable, it's probably ok to release what's there. At a quick read through, the C interface seems ok -- it could be made safer by using C stub generation via ocaml-ctypes, but the external OCaml mli would remain the same. > Yesterday later hdhcpd got caught in a loop I guess, I didn't debug > further, so there are some basic bugs still there. > > What is/was this mini-dnsmasq ? I was just thinking that a lot of us use dnsmasq in our development setups. It provides a simple dhcpd+dyndns for local networks, and hdhcpd could provide a similar interface. It it uses Irmin as a key/value store, the dnsmasq state could even be exposed via Git very easily as well. That would get the parsing code tested out while the Mirage interface gets written. >> OpenBSD OCaml refresh seems to mostly work -- will get an ack from ports folk >> and then apply the lot, so it should be easy to get your server added directly >> from pkg_add when that's done. >> > > What is this ocaml refresh ? not familiar with it :D. I took a swipe at refreshing all the OpenBSD OCaml ports so that we have the latest versions of OPAM and associated libraries. http://marc.info/?t=143862472800001&r=1&w=2 I'm aiming to get tlstunnel into ports, and activate ARM native code mode again (hopefully just a bit of configure script hacking). > I'm not sure how much work would be needed to convert to mirage, I'm > not sure I want to maintain both mirage and a standalone-unix version > in the future. > Seems: > > 1 - Too much work > 2 - An excuse for people not trying out mirage if they want to run hdhcpd. Right, that's fair. One good thing about the Mirage version is that the Unix compilation mode can easily be enhanced to look just like a native Unix daemon. A hdhcpd version that's portable enough to compile into Xen mode can have a CLI parser and syslogger applied to the functor in order to give a Unix tool that's very similar to one written for Unix. > But now I'm unsure how much work is needed to convert to mirage, as I > didn't do my first unikernel yet. > I believe the bigger points are: > > * Convert the IO functions, I need to be able to write/read a full > ethernet frame. This should be just a matter of functorising over the ETHIF signature. One difference from Rawlink is that it'll give you a Cstruct, and not an OCaml string. In general the use of Cstruct is recommended since those are out-of-heap values and can directly wrap the IO buffers from Unix or Xen. > * Somehow receive the interface list. > * Pass the configuration to the VM somehow, I think I read on the > key/value module that converts the file into an ml file, that would be > ok. I need to look up the latest on this, but the OS.Env module should do key/value maps via the unikernel command line. Thomas/Magnus, what did you end up deciding to use in Jitsu for unikernel arg parsing? -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 18 06:51:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 18 Aug 2015 06:51:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRajW-0000tv-9R; Tue, 18 Aug 2015 06:50:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRajU-0000to-VK for mirageos-devel@lists.xenproject.org; Tue, 18 Aug 2015 06:50:53 +0000 Received: from [85.158.137.68] by server-10.bemta-3.messagelabs.com id 7D/DD-23203-CC5D2D55; Tue, 18 Aug 2015 06:50:52 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-31.messagelabs.com!1439880651!35809289!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21632 invoked from network); 18 Aug 2015 06:50:51 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-3.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 18 Aug 2015 06:50:51 -0000 Received: from [192.168.129.119] (216.4.249.233 [216.4.249.233]); by bark.recoil.org (OpenSMTPD) with ESMTPSA id 387e25da; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Tue, 18 Aug 2015 07:50:50 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 17 Aug 2015 23:50:47 -0700 Message-Id: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> References: To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2102) Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org [+mirageos-devel -- Christiano's pioneer project on dhcp is working now!) On 17 Aug 2015, at 10:14, Christiano F. Haesbaert wrote: > > On 17 August 2015 at 18:47, Anil Madhavapeddy wrote: >> >> Just wondering -- before Mirage support directly, is it worth putting together >> a mini-dnsmasq-style server so that we can play with it "in production"? >> > > I'm not sure, the problem is I'd to to release the Rawlink library I > wrote: https://github.com/haesbaert/rawlink > > And frankly I don't like that code, I wrote too much stuff in C, so > I'd rewrite that first. As long as the OCaml interface is reasonably stable, it's probably ok to release what's there. At a quick read through, the C interface seems ok -- it could be made safer by using C stub generation via ocaml-ctypes, but the external OCaml mli would remain the same. > Yesterday later hdhcpd got caught in a loop I guess, I didn't debug > further, so there are some basic bugs still there. > > What is/was this mini-dnsmasq ? I was just thinking that a lot of us use dnsmasq in our development setups. It provides a simple dhcpd+dyndns for local networks, and hdhcpd could provide a similar interface. It it uses Irmin as a key/value store, the dnsmasq state could even be exposed via Git very easily as well. That would get the parsing code tested out while the Mirage interface gets written. >> OpenBSD OCaml refresh seems to mostly work -- will get an ack from ports folk >> and then apply the lot, so it should be easy to get your server added directly >> from pkg_add when that's done. >> > > What is this ocaml refresh ? not familiar with it :D. I took a swipe at refreshing all the OpenBSD OCaml ports so that we have the latest versions of OPAM and associated libraries. http://marc.info/?t=143862472800001&r=1&w=2 I'm aiming to get tlstunnel into ports, and activate ARM native code mode again (hopefully just a bit of configure script hacking). > I'm not sure how much work would be needed to convert to mirage, I'm > not sure I want to maintain both mirage and a standalone-unix version > in the future. > Seems: > > 1 - Too much work > 2 - An excuse for people not trying out mirage if they want to run hdhcpd. Right, that's fair. One good thing about the Mirage version is that the Unix compilation mode can easily be enhanced to look just like a native Unix daemon. A hdhcpd version that's portable enough to compile into Xen mode can have a CLI parser and syslogger applied to the functor in order to give a Unix tool that's very similar to one written for Unix. > But now I'm unsure how much work is needed to convert to mirage, as I > didn't do my first unikernel yet. > I believe the bigger points are: > > * Convert the IO functions, I need to be able to write/read a full > ethernet frame. This should be just a matter of functorising over the ETHIF signature. One difference from Rawlink is that it'll give you a Cstruct, and not an OCaml string. In general the use of Cstruct is recommended since those are out-of-heap values and can directly wrap the IO buffers from Unix or Xen. > * Somehow receive the interface list. > * Pass the configuration to the VM somehow, I think I read on the > key/value module that converts the file into an ml file, that would be > ok. I need to look up the latest on this, but the OS.Env module should do key/value maps via the unikernel command line. Thomas/Magnus, what did you end up deciding to use in Jitsu for unikernel arg parsing? -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 18 09:15:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 18 Aug 2015 09:15:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRczJ-0000dp-QA; Tue, 18 Aug 2015 09:15:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRczH-0000df-SZ for mirageos-devel@lists.xenproject.org; Tue, 18 Aug 2015 09:15:20 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id E2/5B-06021-7A7F2D55; Tue, 18 Aug 2015 09:15:19 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-10.tower-31.messagelabs.com!1439889318!35869200!1 X-Originating-IP: [66.111.4.25] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjUgPT4gNDQ5ODE=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17210 invoked from network); 18 Aug 2015 09:15:18 -0000 Received: from out1-smtp.messagingengine.com (HELO out1-smtp.messagingengine.com) (66.111.4.25) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 18 Aug 2015 09:15:18 -0000 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id E816020DC6 for ; Tue, 18 Aug 2015 05:15:17 -0400 (EDT) Received: from web1 ([10.202.2.211]) by compute6.internal (MEProxy); Tue, 18 Aug 2015 05:15:17 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=Vfy5sx+Uy5v64ahvcWw8A2xegVA=; b=ZqVI/q RZD5ViFsrR3w63TuzGttSr++bVCSm56izr1gOeL7fLZCJl5KHOw/wtzC3l3lcTPZ kbJqQxG+ZVv8iiir4JZN5AoZ0Kiw8SBklP23Ec99oInPUJWfpGHnU/x7jp1220tO 7wSVIZmOt6I5UVs0RB5LLbCRL66TAEyoKmD4E= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=Vfy5sx+Uy5v64ah vcWw8A2xegVA=; b=fLg+1TGtdv30L1gO8pi/8jhd8cB9ayNRQkaU7NCHR4NhGmd 6QJjAJ3vzCVgM3DDrJQq8LfuLlu/LeVMRLL/89Nwxrf5J+9pyrY1YWhTToW0yKRo c/7+/nG65TUVzqNJ2Vqtg3dHIQJxZCmLtYoGz6cAN04HSfingmn95tML5L18= Received: by web1.nyi.internal (Postfix, from userid 99) id B2793AEC46A; Tue, 18 Aug 2015 05:15:17 -0400 (EDT) Message-Id: <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> X-Sasl-Enc: /5VSHQJIotV3edwfd9AuoYYLPNPnKHo6E+z0u+hmi/vD 1439889317 From: Magnus Skjegstad To: Anil Madhavapeddy , "Christiano F. Haesbaert" MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4fee8ba5 In-Reply-To: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> Date: Tue, 18 Aug 2015 11:15:17 +0200 Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote: > > * Pass the configuration to the VM somehow, I think I read on the > > key/value module that converts the file into an ml file, that would be > > ok. > > I need to look up the latest on this, but the OS.Env module should > do key/value maps via the unikernel command line. Thomas/Magnus, > what did you end up deciding to use in Jitsu for unikernel arg parsing? I still use mirage-bootvar-xen [0] to pass parameters via the "extra" option in libxl (or cmdline in libvirt). Eventually it would be great to be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for Xen [1] :-) 0. https://github.com/mirage/mirage-bootvar-xen 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 18 09:15:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 18 Aug 2015 09:15:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRczJ-0000dp-QA; Tue, 18 Aug 2015 09:15:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRczH-0000df-SZ for mirageos-devel@lists.xenproject.org; Tue, 18 Aug 2015 09:15:20 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id E2/5B-06021-7A7F2D55; Tue, 18 Aug 2015 09:15:19 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-10.tower-31.messagelabs.com!1439889318!35869200!1 X-Originating-IP: [66.111.4.25] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjUgPT4gNDQ5ODE=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17210 invoked from network); 18 Aug 2015 09:15:18 -0000 Received: from out1-smtp.messagingengine.com (HELO out1-smtp.messagingengine.com) (66.111.4.25) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 18 Aug 2015 09:15:18 -0000 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id E816020DC6 for ; Tue, 18 Aug 2015 05:15:17 -0400 (EDT) Received: from web1 ([10.202.2.211]) by compute6.internal (MEProxy); Tue, 18 Aug 2015 05:15:17 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=Vfy5sx+Uy5v64ahvcWw8A2xegVA=; b=ZqVI/q RZD5ViFsrR3w63TuzGttSr++bVCSm56izr1gOeL7fLZCJl5KHOw/wtzC3l3lcTPZ kbJqQxG+ZVv8iiir4JZN5AoZ0Kiw8SBklP23Ec99oInPUJWfpGHnU/x7jp1220tO 7wSVIZmOt6I5UVs0RB5LLbCRL66TAEyoKmD4E= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=Vfy5sx+Uy5v64ah vcWw8A2xegVA=; b=fLg+1TGtdv30L1gO8pi/8jhd8cB9ayNRQkaU7NCHR4NhGmd 6QJjAJ3vzCVgM3DDrJQq8LfuLlu/LeVMRLL/89Nwxrf5J+9pyrY1YWhTToW0yKRo c/7+/nG65TUVzqNJ2Vqtg3dHIQJxZCmLtYoGz6cAN04HSfingmn95tML5L18= Received: by web1.nyi.internal (Postfix, from userid 99) id B2793AEC46A; Tue, 18 Aug 2015 05:15:17 -0400 (EDT) Message-Id: <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> X-Sasl-Enc: /5VSHQJIotV3edwfd9AuoYYLPNPnKHo6E+z0u+hmi/vD 1439889317 From: Magnus Skjegstad To: Anil Madhavapeddy , "Christiano F. Haesbaert" MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4fee8ba5 In-Reply-To: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> Date: Tue, 18 Aug 2015 11:15:17 +0200 Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote: > > * Pass the configuration to the VM somehow, I think I read on the > > key/value module that converts the file into an ml file, that would be > > ok. > > I need to look up the latest on this, but the OS.Env module should > do key/value maps via the unikernel command line. Thomas/Magnus, > what did you end up deciding to use in Jitsu for unikernel arg parsing? I still use mirage-bootvar-xen [0] to pass parameters via the "extra" option in libxl (or cmdline in libvirt). Eventually it would be great to be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for Xen [1] :-) 0. https://github.com/mirage/mirage-bootvar-xen 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 18 13:04:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 18 Aug 2015 13:04:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRgZ5-0003Oa-Hg; Tue, 18 Aug 2015 13:04:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRgZ3-0003OV-WC for mirageos-devel@lists.xenproject.org; Tue, 18 Aug 2015 13:04:30 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 1D/13-00475-D5D23D55; Tue, 18 Aug 2015 13:04:29 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-4.tower-27.messagelabs.com!1439903066!40009533!1 X-Originating-IP: [66.111.4.25] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjUgPT4gNDQ5ODE=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20511 invoked from network); 18 Aug 2015 13:04:27 -0000 Received: from out1-smtp.messagingengine.com (HELO out1-smtp.messagingengine.com) (66.111.4.25) by server-4.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 18 Aug 2015 13:04:27 -0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 64A36207D6 for ; Tue, 18 Aug 2015 09:04:26 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute4.internal (MEProxy); Tue, 18 Aug 2015 09:04:26 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=lXOAnepoAaiCfSAdbrQ8s/o3Uy4=; b=etvGnL Wv1bGzg4GeiF6wxrHPVczyVOIhFvE4uNMQFETSP98mBHdsJYwojgJAUKIfksXCWo wzicupkl93ybsrpRNHO0Iy360CI7PkMY9tb0dpezfu4CjgOjQWqg0q59fNuVT1Dc 3lhiOccn/o52M53WMf4ay4CP0Db3zH5iNv+TA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=lXOAnepoAaiCfSA dbrQ8s/o3Uy4=; b=WqOAO7adB3Cijj4jrmz8q79uyFdSVJGJED6ZaWE1MQVhOdQ /gOu/nhpUsLqgdiTLfHSsRdHrfNIcXiAbhe2GXZQsFeqwStGxTca0kGUirJcWyja H8nuGvpEj8moLdCOLLHm5EZR7wDyDmi77W5C6RiZURCtEthwtyyGm+zqVrjU= Received: by web6.nyi.internal (Postfix, from userid 99) id 3187841B56; Tue, 18 Aug 2015 09:04:26 -0400 (EDT) Message-Id: <1439903066.23906.359222825.5DD57533@webmail.messagingengine.com> X-Sasl-Enc: DilGBP6TnE3i4MmnsqQx8ZVweBpU39Iwv1btqhdu2Pm2 1439903066 From: Magnus Skjegstad To: Runhang Li , Anil Madhavapeddy MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4fee8ba5 In-Reply-To: <1439851532189.b2c9894a@Nodemailer> References: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> <1439851532189.b2c9894a@Nodemailer> Date: Tue, 18 Aug 2015 15:04:26 +0200 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2576226228226580515==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============2576226228226580515== Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary="_----------=_1439903066239060"; charset="utf-8" This is a multi-part message in MIME format. --_----------=_1439903066239060 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" On Tue, 18 Aug 2015, at 00:45, Runhang Li wrote: > > Hi, Magnus > > I was pretty curious about the change of word allocation, so I hold my > refresh key for a period of time, and it is down now=E2=80=A6 > > I am really really sorry. Could you please start the > application again? No problem :-) One of the goals here was to stress test everything. I'm not sure how the unikernel crashed, as it seemed to have corrected itself when I checked. The source code for the test unikernel is here [0] if you want to try to reproduce it. There was also a lot of EMFILE exceptions from Irmin when I stored the database on disk (with high load, after a few thousand commits), which caused a crash: Unix.Unix_error(Unix.EMFILE, "open", "../jitsu-irmin- db/.git/refs/heads/master") Increasing ulimit -n seemed to fix it, but the traffic spike from HN also ended about then so I'm not sure if it helped. Jitsu also crashed once with=C2=A0Unix.Unix_error(Unix.EINVAL, "select", ""= ), which I'm not sure yet where came from... .=C2=A0https://github.com/MagnusS/mirage-stats-demo Magnus --_----------=_1439903066239060 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="UTF-8"
On Tue, 18 Aug 2015, at 00:45, Runhang Li wrote:
 
Hi, Magnus
 
I was pretty curious about the change of word allocation, so I h= old my refresh key for a period of time, and it is down now=E2=80=A6=
 
I am really really sorry. Could you please start the application= again?
 
No problem :-) One of the goals here was to stress test everything. I'= m not sure how the unikernel crashed, as it seemed to have corrected itself= when I checked. The source code for the test unikernel is here [0] if you = want to try to reproduce it.
 
There was also a lot of EMFILE exceptions from Irmin when I stored the= database on disk (with high load, after a few thousand commits), which ca= used a crash:
 
Unix.Unix_error(Unix.EMFILE, "open", "../jitsu-irmin-db/.git/refs/head= s/master")
 
Increasing ulimit -n seemed to fix it, but the traffic spike from HN a= lso ended about then so I'm not sure if it helped.
 
Jitsu also crashed once with Unix.Unix_error(Unix.EINVAL, "select= ", ""), which I'm not sure yet where came from...
 
 
Magnus
--_----------=_1439903066239060-- --===============2576226228226580515== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2576226228226580515==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 18 13:04:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 18 Aug 2015 13:04:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRgZ5-0003Oa-Hg; Tue, 18 Aug 2015 13:04:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRgZ3-0003OV-WC for mirageos-devel@lists.xenproject.org; Tue, 18 Aug 2015 13:04:30 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 1D/13-00475-D5D23D55; Tue, 18 Aug 2015 13:04:29 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-4.tower-27.messagelabs.com!1439903066!40009533!1 X-Originating-IP: [66.111.4.25] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjUgPT4gNDQ5ODE=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20511 invoked from network); 18 Aug 2015 13:04:27 -0000 Received: from out1-smtp.messagingengine.com (HELO out1-smtp.messagingengine.com) (66.111.4.25) by server-4.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 18 Aug 2015 13:04:27 -0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 64A36207D6 for ; Tue, 18 Aug 2015 09:04:26 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute4.internal (MEProxy); Tue, 18 Aug 2015 09:04:26 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=lXOAnepoAaiCfSAdbrQ8s/o3Uy4=; b=etvGnL Wv1bGzg4GeiF6wxrHPVczyVOIhFvE4uNMQFETSP98mBHdsJYwojgJAUKIfksXCWo wzicupkl93ybsrpRNHO0Iy360CI7PkMY9tb0dpezfu4CjgOjQWqg0q59fNuVT1Dc 3lhiOccn/o52M53WMf4ay4CP0Db3zH5iNv+TA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=lXOAnepoAaiCfSA dbrQ8s/o3Uy4=; b=WqOAO7adB3Cijj4jrmz8q79uyFdSVJGJED6ZaWE1MQVhOdQ /gOu/nhpUsLqgdiTLfHSsRdHrfNIcXiAbhe2GXZQsFeqwStGxTca0kGUirJcWyja H8nuGvpEj8moLdCOLLHm5EZR7wDyDmi77W5C6RiZURCtEthwtyyGm+zqVrjU= Received: by web6.nyi.internal (Postfix, from userid 99) id 3187841B56; Tue, 18 Aug 2015 09:04:26 -0400 (EDT) Message-Id: <1439903066.23906.359222825.5DD57533@webmail.messagingengine.com> X-Sasl-Enc: DilGBP6TnE3i4MmnsqQx8ZVweBpU39Iwv1btqhdu2Pm2 1439903066 From: Magnus Skjegstad To: Runhang Li , Anil Madhavapeddy MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4fee8ba5 In-Reply-To: <1439851532189.b2c9894a@Nodemailer> References: <07C36320-F642-44D1-8DC6-6271B29AFD85@recoil.org> <1439851532189.b2c9894a@Nodemailer> Date: Tue, 18 Aug 2015 15:04:26 +0200 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Jitsu v0.2.0 with Irmin, Rumprun support X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2576226228226580515==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============2576226228226580515== Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary="_----------=_1439903066239060"; charset="utf-8" This is a multi-part message in MIME format. --_----------=_1439903066239060 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" On Tue, 18 Aug 2015, at 00:45, Runhang Li wrote: > > Hi, Magnus > > I was pretty curious about the change of word allocation, so I hold my > refresh key for a period of time, and it is down now=E2=80=A6 > > I am really really sorry. Could you please start the > application again? No problem :-) One of the goals here was to stress test everything. I'm not sure how the unikernel crashed, as it seemed to have corrected itself when I checked. The source code for the test unikernel is here [0] if you want to try to reproduce it. There was also a lot of EMFILE exceptions from Irmin when I stored the database on disk (with high load, after a few thousand commits), which caused a crash: Unix.Unix_error(Unix.EMFILE, "open", "../jitsu-irmin- db/.git/refs/heads/master") Increasing ulimit -n seemed to fix it, but the traffic spike from HN also ended about then so I'm not sure if it helped. Jitsu also crashed once with=C2=A0Unix.Unix_error(Unix.EINVAL, "select", ""= ), which I'm not sure yet where came from... .=C2=A0https://github.com/MagnusS/mirage-stats-demo Magnus --_----------=_1439903066239060 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="UTF-8"
On Tue, 18 Aug 2015, at 00:45, Runhang Li wrote:
 
Hi, Magnus
 
I was pretty curious about the change of word allocation, so I h= old my refresh key for a period of time, and it is down now=E2=80=A6=
 
I am really really sorry. Could you please start the application= again?
 
No problem :-) One of the goals here was to stress test everything. I'= m not sure how the unikernel crashed, as it seemed to have corrected itself= when I checked. The source code for the test unikernel is here [0] if you = want to try to reproduce it.
 
There was also a lot of EMFILE exceptions from Irmin when I stored the= database on disk (with high load, after a few thousand commits), which ca= used a crash:
 
Unix.Unix_error(Unix.EMFILE, "open", "../jitsu-irmin-db/.git/refs/head= s/master")
 
Increasing ulimit -n seemed to fix it, but the traffic spike from HN a= lso ended about then so I'm not sure if it helped.
 
Jitsu also crashed once with Unix.Unix_error(Unix.EINVAL, "select= ", ""), which I'm not sure yet where came from...
 
 
Magnus
--_----------=_1439903066239060-- --===============2576226228226580515== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2576226228226580515==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 19 07:30:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 19 Aug 2015 07:30:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRxpC-0001G5-Jg; Wed, 19 Aug 2015 07:30:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRxpA-0001G0-Dw for mirageos-devel@lists.xenproject.org; Wed, 19 Aug 2015 07:30:16 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id D5/0F-01421-78034D55; Wed, 19 Aug 2015 07:30:15 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1439969414!36058583!1 X-Originating-IP: [209.85.215.42] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31513 invoked from network); 19 Aug 2015 07:30:15 -0000 Received: from mail-la0-f42.google.com (HELO mail-la0-f42.google.com) (209.85.215.42) by server-15.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 19 Aug 2015 07:30:15 -0000 Received: by lahi9 with SMTP id i9so113631589lah.2 for ; Wed, 19 Aug 2015 00:30:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=SqWX4IR1peB1m/PEd29KaZo+LWHheekkra5777dm6K4=; b=WiKb2DkeA+Um/b7N0sLk5LtnP8PqC3mAyYbedTqtUAwCeOXSIs8O7ez0MaTsJBzNzt KaFx2vAgxuCzICAFiCTDHmJ83g4923L2Gd5YV36aYjH0gTAXLTfvuoxqoF/Lzcp7rXLA ngPJ5KioCXE8ldgQSfMQYBYJAkljYBI/X3YmemHe2QAIpobnERLHH9UQnMGWIUx+sLx7 jQuLoNrnBPz7uVsNeJLf9rNxc56AHYXKdGkEFs9weDqhOMov3OT61OZbq3cT4YE9vDJj 508kocCA137GCx05n32EV/i/D6UnlAJRjhXhWkepRJJGkHGf27R6pxTZ/TEYGyfg4a6F 2zyA== MIME-Version: 1.0 X-Received: by 10.112.234.197 with SMTP id ug5mr9966821lbc.79.1439969414511; Wed, 19 Aug 2015 00:30:14 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Wed, 19 Aug 2015 00:30:14 -0700 (PDT) In-Reply-To: <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> Date: Wed, 19 Aug 2015 09:30:14 +0200 X-Google-Sender-Auth: 4YZVpA0oxL2yUFWX-z3BQHHwLMA Message-ID: From: "Christiano F. Haesbaert" To: Magnus Skjegstad Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 18 August 2015 at 11:15, Magnus Skjegstad wrote: > On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote: >> > * Pass the configuration to the VM somehow, I think I read on the >> > key/value module that converts the file into an ml file, that would be >> > ok. >> >> I need to look up the latest on this, but the OS.Env module should >> do key/value maps via the unikernel command line. Thomas/Magnus, >> what did you end up deciding to use in Jitsu for unikernel arg parsing? > > I still use mirage-bootvar-xen [0] to pass parameters via the "extra" > option in libxl (or cmdline in libvirt). Eventually it would be great to > be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for > Xen [1] :-) > > > 0. https://github.com/mirage/mirage-bootvar-xen > 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml After converting, I guess there won't be any parameters except verbosity to be passed (not considering the interfaces), but I do need to pass the configuration file somehow. Since I'm still not saving the lease database to disk, which I do intend to do with irmin, the only thing I'd need is passing this configuration file. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 19 07:30:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 19 Aug 2015 07:30:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRxpC-0001G5-Jg; Wed, 19 Aug 2015 07:30:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZRxpA-0001G0-Dw for mirageos-devel@lists.xenproject.org; Wed, 19 Aug 2015 07:30:16 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id D5/0F-01421-78034D55; Wed, 19 Aug 2015 07:30:15 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1439969414!36058583!1 X-Originating-IP: [209.85.215.42] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31513 invoked from network); 19 Aug 2015 07:30:15 -0000 Received: from mail-la0-f42.google.com (HELO mail-la0-f42.google.com) (209.85.215.42) by server-15.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 19 Aug 2015 07:30:15 -0000 Received: by lahi9 with SMTP id i9so113631589lah.2 for ; Wed, 19 Aug 2015 00:30:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=SqWX4IR1peB1m/PEd29KaZo+LWHheekkra5777dm6K4=; b=WiKb2DkeA+Um/b7N0sLk5LtnP8PqC3mAyYbedTqtUAwCeOXSIs8O7ez0MaTsJBzNzt KaFx2vAgxuCzICAFiCTDHmJ83g4923L2Gd5YV36aYjH0gTAXLTfvuoxqoF/Lzcp7rXLA ngPJ5KioCXE8ldgQSfMQYBYJAkljYBI/X3YmemHe2QAIpobnERLHH9UQnMGWIUx+sLx7 jQuLoNrnBPz7uVsNeJLf9rNxc56AHYXKdGkEFs9weDqhOMov3OT61OZbq3cT4YE9vDJj 508kocCA137GCx05n32EV/i/D6UnlAJRjhXhWkepRJJGkHGf27R6pxTZ/TEYGyfg4a6F 2zyA== MIME-Version: 1.0 X-Received: by 10.112.234.197 with SMTP id ug5mr9966821lbc.79.1439969414511; Wed, 19 Aug 2015 00:30:14 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Wed, 19 Aug 2015 00:30:14 -0700 (PDT) In-Reply-To: <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> Date: Wed, 19 Aug 2015 09:30:14 +0200 X-Google-Sender-Auth: 4YZVpA0oxL2yUFWX-z3BQHHwLMA Message-ID: From: "Christiano F. Haesbaert" To: Magnus Skjegstad Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 18 August 2015 at 11:15, Magnus Skjegstad wrote: > On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote: >> > * Pass the configuration to the VM somehow, I think I read on the >> > key/value module that converts the file into an ml file, that would be >> > ok. >> >> I need to look up the latest on this, but the OS.Env module should >> do key/value maps via the unikernel command line. Thomas/Magnus, >> what did you end up deciding to use in Jitsu for unikernel arg parsing? > > I still use mirage-bootvar-xen [0] to pass parameters via the "extra" > option in libxl (or cmdline in libvirt). Eventually it would be great to > be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for > Xen [1] :-) > > > 0. https://github.com/mirage/mirage-bootvar-xen > 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml After converting, I guess there won't be any parameters except verbosity to be passed (not considering the interfaces), but I do need to pass the configuration file somehow. Since I'm still not saving the lease database to disk, which I do intend to do with irmin, the only thing I'd need is passing this configuration file. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 20 13:18:15 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 20 Aug 2015 13:18:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSPjI-0003Gw-SX; Thu, 20 Aug 2015 13:18:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSPjH-0003Gr-TJ for mirageos-devel@lists.xenproject.org; Thu, 20 Aug 2015 13:18:04 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id DD/AC-18886-A83D5D55; Thu, 20 Aug 2015 13:18:02 +0000 X-Env-Sender: yallop@gmail.com X-Msg-Ref: server-7.tower-27.messagelabs.com!1440076681!42479931!1 X-Originating-IP: [209.85.217.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3012 invoked from network); 20 Aug 2015 13:18:01 -0000 Received: from mail-lb0-f172.google.com (HELO mail-lb0-f172.google.com) (209.85.217.172) by server-7.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 20 Aug 2015 13:18:01 -0000 Received: by lbbpu9 with SMTP id pu9so23574398lbb.3 for ; Thu, 20 Aug 2015 06:18:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=YY1yGNobjNKdgBuHJW9uhKRmU7XvMdlWkz9/nLEqOIw=; b=bf6d6pyUrBMeKrtxQeDPC0NpM1O9uFW8GpmPQnSHVJz/Jsz/TD4H7lob7mqAWjd7TJ BlPsq8YV4aD+A562lCsb4GVgV5zvam/SEivV06ZFOwYw2OGpnSAgHQ02RLINMT3MQj9u UDqrEElszZOdE2ui0REJSFOxmFkFO++w6OxxopN5S+4qA7oeEEk1ZDSjtX2O8u2oIxpj iMIinzcqjenb7e3PZ4eds2iQ4LXxPWs5ULhgyb7Y5PM43CkjQr75aSROKw9TSLmMOERc EMnZeHuLzEsrTZ/t3n8/cVp8mJhyyUi6dB4SOEDbvH+U+sW5yQrCx3Fon1H2sJ7P9/CQ Yj8g== MIME-Version: 1.0 X-Received: by 10.152.2.200 with SMTP id 8mr2882056law.115.1440076681111; Thu, 20 Aug 2015 06:18:01 -0700 (PDT) Received: by 10.25.140.87 with HTTP; Thu, 20 Aug 2015 06:18:00 -0700 (PDT) Date: Thu, 20 Aug 2015 14:18:00 +0100 Message-ID: From: Jeremy Yallop To: cam-compiler-hacking@lists.ocaml.org Cc: "cl-ocamllabs-staff@lists.cam.ac.uk" , "mirageos-devel@lists.xenproject.org" , "cl-ocamllabs@lists.cam.ac.uk" Subject: [MirageOS-devel] OCaml compiler hacking evening next Friday (28th August) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org We'll be meeting in FW26 in the Computer Lab next Friday (28th August 2015) for another evening of compiler hacking. All welcome! We'll also be having an afternoon of OCaml- and ML-related talks beforehand, with titles suspiciously similar to talks at the ML and OCaml Workshops the following week. The website has the schedule and other details: http://ocamllabs.github.io/compiler-hacking/2015/08/20/mini-workshop.html If you're planning to come along to either the talks or to compiler hacking, please add yourself to the poll: http://doodle.com/82arpxipidgqbvwi _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 20 13:18:15 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 20 Aug 2015 13:18:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSPjI-0003Gw-SX; Thu, 20 Aug 2015 13:18:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSPjH-0003Gr-TJ for mirageos-devel@lists.xenproject.org; Thu, 20 Aug 2015 13:18:04 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id DD/AC-18886-A83D5D55; Thu, 20 Aug 2015 13:18:02 +0000 X-Env-Sender: yallop@gmail.com X-Msg-Ref: server-7.tower-27.messagelabs.com!1440076681!42479931!1 X-Originating-IP: [209.85.217.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3012 invoked from network); 20 Aug 2015 13:18:01 -0000 Received: from mail-lb0-f172.google.com (HELO mail-lb0-f172.google.com) (209.85.217.172) by server-7.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 20 Aug 2015 13:18:01 -0000 Received: by lbbpu9 with SMTP id pu9so23574398lbb.3 for ; Thu, 20 Aug 2015 06:18:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=YY1yGNobjNKdgBuHJW9uhKRmU7XvMdlWkz9/nLEqOIw=; b=bf6d6pyUrBMeKrtxQeDPC0NpM1O9uFW8GpmPQnSHVJz/Jsz/TD4H7lob7mqAWjd7TJ BlPsq8YV4aD+A562lCsb4GVgV5zvam/SEivV06ZFOwYw2OGpnSAgHQ02RLINMT3MQj9u UDqrEElszZOdE2ui0REJSFOxmFkFO++w6OxxopN5S+4qA7oeEEk1ZDSjtX2O8u2oIxpj iMIinzcqjenb7e3PZ4eds2iQ4LXxPWs5ULhgyb7Y5PM43CkjQr75aSROKw9TSLmMOERc EMnZeHuLzEsrTZ/t3n8/cVp8mJhyyUi6dB4SOEDbvH+U+sW5yQrCx3Fon1H2sJ7P9/CQ Yj8g== MIME-Version: 1.0 X-Received: by 10.152.2.200 with SMTP id 8mr2882056law.115.1440076681111; Thu, 20 Aug 2015 06:18:01 -0700 (PDT) Received: by 10.25.140.87 with HTTP; Thu, 20 Aug 2015 06:18:00 -0700 (PDT) Date: Thu, 20 Aug 2015 14:18:00 +0100 Message-ID: From: Jeremy Yallop To: cam-compiler-hacking@lists.ocaml.org Cc: "cl-ocamllabs-staff@lists.cam.ac.uk" , "mirageos-devel@lists.xenproject.org" , "cl-ocamllabs@lists.cam.ac.uk" Subject: [MirageOS-devel] OCaml compiler hacking evening next Friday (28th August) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org We'll be meeting in FW26 in the Computer Lab next Friday (28th August 2015) for another evening of compiler hacking. All welcome! We'll also be having an afternoon of OCaml- and ML-related talks beforehand, with titles suspiciously similar to talks at the ML and OCaml Workshops the following week. The website has the schedule and other details: http://ocamllabs.github.io/compiler-hacking/2015/08/20/mini-workshop.html If you're planning to come along to either the talks or to compiler hacking, please add yourself to the poll: http://doodle.com/82arpxipidgqbvwi _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 21 12:08:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 21 Aug 2015 12:08:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSl7J-0000pb-PA; Fri, 21 Aug 2015 12:08:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSl7H-0000pA-9z; Fri, 21 Aug 2015 12:08:15 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id 08/38-03819-EA417D55; Fri, 21 Aug 2015 12:08:14 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1440158892!13894980!1 X-Originating-IP: [209.85.220.180] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2465 invoked from network); 21 Aug 2015 12:08:13 -0000 Received: from mail-qk0-f180.google.com (HELO mail-qk0-f180.google.com) (209.85.220.180) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 21 Aug 2015 12:08:13 -0000 Received: by qkch123 with SMTP id h123so24558109qkc.0; Fri, 21 Aug 2015 05:08:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=CJqI8NuNHfa7D5O18aEiGRGeQ7H8Aegk1qvChJ/iz1c=; b=oQDnlxFUBIAtXrRXBHt2zZkweDGM4omzAlGlwBwv+TbRi1W6QDHonqIliH3hIkd+0l 7mj9kmbeH8xidsNAh07xB6E49u3T98LhOi3MQtfp1DMPjFgNHF5/OaONRNa1tUeyMonF yeD7MdfO7/fykmtjHon9txo2q6YudKqZYZBJcRSphDnXlYok4ALSStCbyuFVWySjRjS+ YNMmurgBx1DZaXAAy2uKpPj4NBSfD9OPYoSvmL8TdXx2NaDGkeopjK/2Lih/oG/syrCf 9YUK3punG4Awmm5lD+QfPkyjBOQPv8XQuKe+Po0UJFmYnPGpgLSqVmOgKz62qk3awMth SGoQ== MIME-Version: 1.0 X-Received: by 10.55.27.27 with SMTP id b27mr8045124qkb.4.1440158892558; Fri, 21 Aug 2015 05:08:12 -0700 (PDT) Received: by 10.55.201.149 with HTTP; Fri, 21 Aug 2015 05:08:12 -0700 (PDT) Date: Fri, 21 Aug 2015 08:08:12 -0400 X-Google-Sender-Auth: OagVfM_OOeqnFwrZPDBRbevAiHo Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel , mirageos-devel@lists.xenproject.org, xs-devel@lists.xenserver.org, xen-api@lists.xen.org Subject: [MirageOS-devel] Document Day this Wednesday, Aug 26 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Our next Xen Project Document Day is this Wednesday, August 26! Our THEME OF THE MONTH: "User Requests" This month, we will focus on requests which have appeared in our IRC channel and UserVoice for additional documentation. Recent requests include the following: - Development Documentation: An overview of the driver architecture. This may already exist, but it needs to be more prominently visible. If it's out there, it is not as easy to find as it should be. - User Documentation: Simple example of moving a VM from one machine to another offline and possibly changing toolsets as it goes. - User Documentation: Update to the Xen_Windows_GplPv doc. The drivers are still used, but the information on the page is dated. It needs a refresh. - User Documentation: Build a NEW HOW-TO describing how to create a Xen 4.5.1 AMD64 environment. This should include sub-HOWTOs for networking and DomU creation. More detailed information can be found in the TODO document (below). And, as always, feel free to add any other documentation which you believe to be necessary. All the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days Also take a look at the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO Please think about how you can help out. If you haven't requested to be made a Wiki editor, save time and do it now so you are ready to go on Document Day. Just fill out the form below: http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html We hope to see you Wednesday in #xendocs! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 21 12:08:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 21 Aug 2015 12:08:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSl7J-0000pb-PA; Fri, 21 Aug 2015 12:08:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSl7H-0000pA-9z; Fri, 21 Aug 2015 12:08:15 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id 08/38-03819-EA417D55; Fri, 21 Aug 2015 12:08:14 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1440158892!13894980!1 X-Originating-IP: [209.85.220.180] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2465 invoked from network); 21 Aug 2015 12:08:13 -0000 Received: from mail-qk0-f180.google.com (HELO mail-qk0-f180.google.com) (209.85.220.180) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 21 Aug 2015 12:08:13 -0000 Received: by qkch123 with SMTP id h123so24558109qkc.0; Fri, 21 Aug 2015 05:08:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=CJqI8NuNHfa7D5O18aEiGRGeQ7H8Aegk1qvChJ/iz1c=; b=oQDnlxFUBIAtXrRXBHt2zZkweDGM4omzAlGlwBwv+TbRi1W6QDHonqIliH3hIkd+0l 7mj9kmbeH8xidsNAh07xB6E49u3T98LhOi3MQtfp1DMPjFgNHF5/OaONRNa1tUeyMonF yeD7MdfO7/fykmtjHon9txo2q6YudKqZYZBJcRSphDnXlYok4ALSStCbyuFVWySjRjS+ YNMmurgBx1DZaXAAy2uKpPj4NBSfD9OPYoSvmL8TdXx2NaDGkeopjK/2Lih/oG/syrCf 9YUK3punG4Awmm5lD+QfPkyjBOQPv8XQuKe+Po0UJFmYnPGpgLSqVmOgKz62qk3awMth SGoQ== MIME-Version: 1.0 X-Received: by 10.55.27.27 with SMTP id b27mr8045124qkb.4.1440158892558; Fri, 21 Aug 2015 05:08:12 -0700 (PDT) Received: by 10.55.201.149 with HTTP; Fri, 21 Aug 2015 05:08:12 -0700 (PDT) Date: Fri, 21 Aug 2015 08:08:12 -0400 X-Google-Sender-Auth: OagVfM_OOeqnFwrZPDBRbevAiHo Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel , mirageos-devel@lists.xenproject.org, xs-devel@lists.xenserver.org, xen-api@lists.xen.org Subject: [MirageOS-devel] Document Day this Wednesday, Aug 26 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Our next Xen Project Document Day is this Wednesday, August 26! Our THEME OF THE MONTH: "User Requests" This month, we will focus on requests which have appeared in our IRC channel and UserVoice for additional documentation. Recent requests include the following: - Development Documentation: An overview of the driver architecture. This may already exist, but it needs to be more prominently visible. If it's out there, it is not as easy to find as it should be. - User Documentation: Simple example of moving a VM from one machine to another offline and possibly changing toolsets as it goes. - User Documentation: Update to the Xen_Windows_GplPv doc. The drivers are still used, but the information on the page is dated. It needs a refresh. - User Documentation: Build a NEW HOW-TO describing how to create a Xen 4.5.1 AMD64 environment. This should include sub-HOWTOs for networking and DomU creation. More detailed information can be found in the TODO document (below). And, as always, feel free to add any other documentation which you believe to be necessary. All the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days Also take a look at the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO Please think about how you can help out. If you haven't requested to be made a Wiki editor, save time and do it now so you are ready to go on Document Day. Just fill out the form below: http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html We hope to see you Wednesday in #xendocs! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 21 16:07:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 21 Aug 2015 16:07:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSoqu-0005Kt-6q; Fri, 21 Aug 2015 16:07:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSoqs-0005Kf-VU for MirageOS-devel@lists.xenproject.org; Fri, 21 Aug 2015 16:07:35 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 4B/43-01421-6CC47D55; Fri, 21 Aug 2015 16:07:34 +0000 X-Env-Sender: gareth@morethanseven.net X-Msg-Ref: server-11.tower-31.messagelabs.com!1440173252!37083825!1 X-Originating-IP: [209.85.213.177] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30495 invoked from network); 21 Aug 2015 16:07:33 -0000 Received: from mail-ig0-f177.google.com (HELO mail-ig0-f177.google.com) (209.85.213.177) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 21 Aug 2015 16:07:33 -0000 Received: by igui7 with SMTP id i7so17338967igu.0 for ; Fri, 21 Aug 2015 09:07:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=UQbB+177BFnYCasXcztLGChQTY2dK7lvJtVbxllThDM=; b=F7G22rK5H06Flau2uF4bejIMdcjFU7dikI+pv5DgpobAbKsY6tPx1kDb3uhYPKORJs dxK+W7C3qKvUHudLFROd75thW/5VOeWrM9IeaUwQAES9soY7chCfCOZ3ekQlH1wjQsLb WOtZTTRaug9ipQBoxj5e6FFsuSES2GbCMFuDv1NGo1u0sTTUKzaHo9fSIzo52nBWdrCv ZsW0oL251tmnoMgUJ+6BZm0xPjT+rk3BKMYs5F8NAJfN0z6/15jjCYtljLNLwViqhz5f EuL4lXZuhAtxBol1XeMyKYvAat85Xv4SZQj6slKqnav6DDxHCX7pGaHtfnkjA471n8XA xSbQ== X-Gm-Message-State: ALoCoQkU3yiVzaoI5x8MRPN2IF/TtoBDA9w8qpDeTaCbYyJ9PXmspbYlx+VtTxe+8t4t2qjmIWi6 MIME-Version: 1.0 X-Received: by 10.50.50.129 with SMTP id c1mr3522116igo.60.1440173252314; Fri, 21 Aug 2015 09:07:32 -0700 (PDT) Received: by 10.107.19.99 with HTTP; Fri, 21 Aug 2015 09:07:32 -0700 (PDT) Date: Fri, 21 Aug 2015 17:07:32 +0100 Message-ID: From: Gareth Rushgrove To: mirageos-devel Subject: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I'd managed to get a bunch of throughts out of how head an into blog post form, on the theme of operating unikernels. The general gist is, assuming unikernels are awesome, how do we build and run production systems based on them? http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ This is mainly a list of problems, I'd love to heard from anyone who has done any hard thinking on any of them or cut any tools in this space. Cheers Gareth -- Gareth Rushgrove @garethr devopsweekly.com morethanseven.net garethrushgrove.com _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 21 16:07:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 21 Aug 2015 16:07:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSoqu-0005Kt-6q; Fri, 21 Aug 2015 16:07:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZSoqs-0005Kf-VU for MirageOS-devel@lists.xenproject.org; Fri, 21 Aug 2015 16:07:35 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 4B/43-01421-6CC47D55; Fri, 21 Aug 2015 16:07:34 +0000 X-Env-Sender: gareth@morethanseven.net X-Msg-Ref: server-11.tower-31.messagelabs.com!1440173252!37083825!1 X-Originating-IP: [209.85.213.177] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30495 invoked from network); 21 Aug 2015 16:07:33 -0000 Received: from mail-ig0-f177.google.com (HELO mail-ig0-f177.google.com) (209.85.213.177) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 21 Aug 2015 16:07:33 -0000 Received: by igui7 with SMTP id i7so17338967igu.0 for ; Fri, 21 Aug 2015 09:07:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=UQbB+177BFnYCasXcztLGChQTY2dK7lvJtVbxllThDM=; b=F7G22rK5H06Flau2uF4bejIMdcjFU7dikI+pv5DgpobAbKsY6tPx1kDb3uhYPKORJs dxK+W7C3qKvUHudLFROd75thW/5VOeWrM9IeaUwQAES9soY7chCfCOZ3ekQlH1wjQsLb WOtZTTRaug9ipQBoxj5e6FFsuSES2GbCMFuDv1NGo1u0sTTUKzaHo9fSIzo52nBWdrCv ZsW0oL251tmnoMgUJ+6BZm0xPjT+rk3BKMYs5F8NAJfN0z6/15jjCYtljLNLwViqhz5f EuL4lXZuhAtxBol1XeMyKYvAat85Xv4SZQj6slKqnav6DDxHCX7pGaHtfnkjA471n8XA xSbQ== X-Gm-Message-State: ALoCoQkU3yiVzaoI5x8MRPN2IF/TtoBDA9w8qpDeTaCbYyJ9PXmspbYlx+VtTxe+8t4t2qjmIWi6 MIME-Version: 1.0 X-Received: by 10.50.50.129 with SMTP id c1mr3522116igo.60.1440173252314; Fri, 21 Aug 2015 09:07:32 -0700 (PDT) Received: by 10.107.19.99 with HTTP; Fri, 21 Aug 2015 09:07:32 -0700 (PDT) Date: Fri, 21 Aug 2015 17:07:32 +0100 Message-ID: From: Gareth Rushgrove To: mirageos-devel Subject: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I'd managed to get a bunch of throughts out of how head an into blog post form, on the theme of operating unikernels. The general gist is, assuming unikernels are awesome, how do we build and run production systems based on them? http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ This is mainly a list of problems, I'd love to heard from anyone who has done any hard thinking on any of them or cut any tools in this space. Cheers Gareth -- Gareth Rushgrove @garethr devopsweekly.com morethanseven.net garethrushgrove.com _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 22 11:34:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 22 Aug 2015 11:34:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZT74M-0003IT-51; Sat, 22 Aug 2015 11:34:42 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZT74K-0003IO-Lu for MirageOS-devel@lists.xenproject.org; Sat, 22 Aug 2015 11:34:40 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 51/5A-19110-F4E58D55; Sat, 22 Aug 2015 11:34:39 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1440243277!43034436!1 X-Originating-IP: [209.85.213.42] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4850 invoked from network); 22 Aug 2015 11:34:38 -0000 Received: from mail-vk0-f42.google.com (HELO mail-vk0-f42.google.com) (209.85.213.42) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Aug 2015 11:34:38 -0000 Received: by vkd66 with SMTP id 66so40894532vkd.0 for ; Sat, 22 Aug 2015 04:34:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=i60qfANWIe6eRcoGFbENWGQEgL531FtU3MNJ/FM1g2Q=; b=qcluQJRVLI4A4ItoT93pm+3MJq5UdB/1UOzFmDoy3SzVdY1afYKA6iznJIrdmAx2DA Npb6Af4Q3IACfO8iXCCAwfySymhjUTJ+r1MouTeR7Y3U3YHbfMNEmre7gN5neFt3s4hw 7NtNFhErJOjQm+t2Sgey4e6ZfmYF9HRbaAYfSwHYIKKpXOmVj6m3lLceyoWSPYRz8gY+ C8bqrm2bpnosqGoqRh7mdyIUXpbibDH+JjSqWv/gO27J2yi0DPuE1AQ5cS9w1XTDN2i2 D6oIBq7bj/cbNXqu+MuZw1mIaC1uEfVSfCExJshRdvwf0D4/qX01XP3faAF06Ndilk0D O8kA== MIME-Version: 1.0 X-Received: by 10.52.250.202 with SMTP id ze10mr8318909vdc.68.1440243277418; Sat, 22 Aug 2015 04:34:37 -0700 (PDT) Received: by 10.31.156.87 with HTTP; Sat, 22 Aug 2015 04:34:37 -0700 (PDT) In-Reply-To: References: Date: Sat, 22 Aug 2015 12:34:37 +0100 Message-ID: From: Thomas Leonard To: Gareth Rushgrove Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 August 2015 at 17:07, Gareth Rushgrove wrote: > I'd managed to get a bunch of throughts out of how head an into blog > post form, on the theme of operating unikernels. > > The general gist is, assuming unikernels are awesome, how do we build > and run production systems based on them? > > http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ > > This is mainly a list of problems, I'd love to heard from anyone who > has done any hard thinking on any of them or cut any tools in this > space. Hi Gareth, A few thoughts: "How do I compose several unikernels together to build an application?" I think you answer this later, in the Orchestration section: the same way we do with other VMs/containers - using Docker Compose, Ubuntu Juju, etc. I haven't built anything big enough to need this yet though. What does a Continuous integration or deployment pipeline look like? Amir gives an example in "Towards Heroku for Unikernels: Part 1 - Automated deployment": http://amirchaudhry.com/heroku-for-unikernels-pt1/ "By removing the operating system we remove things like host firewalls ..." I see two main uses for firewalls. One is to avoid accidentally exposing a host-only service (e.g. a database used by a web app in the same VM) and the other is to provide basic access contol between VMs (only the web VM can access the DB VM). For the first, two services in the same Mirage unikernel will communicate directly using OCaml datatypes. When everything is a library, using a network for internal communication would be crazy. Also, while Linux allows any process to listen on the network, Mirage uses dependency injection so that only components that need network access will be given it. For the second, whatever is composing the services should configure the network, in my opinion. In other words, if I say I want my web server VM connected to a database VM, then nothing else should have access to the DB VM. I would certainly like to see a higher-level API for networking, that doesn't allow unexpected connections. e.g. we currently offer services a low-level network API like: val connect : network -> ipaddr -> port -> flow val listen : network -> port -> callback -> unit With this API, a library with network access can connect anywhere in the world by supplying any IP address and port number, and must handle its own encryption. A higher-level capability-style API could offer something more abstract, e.g. module type SturdyRef = sig type t val connect : t -> flow end Here, our web server would simply get a SturdyRef.t for the database, and all it could do would be to connect to it. What does debugging a system based on unikernels look like? There's an example here: https://mirage.io/wiki/profiling "As a motivating example, we'll track down a (real, but now fixed) bug in MirageOS's TCP stack." -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 22 11:34:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 22 Aug 2015 11:34:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZT74M-0003IT-51; Sat, 22 Aug 2015 11:34:42 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZT74K-0003IO-Lu for MirageOS-devel@lists.xenproject.org; Sat, 22 Aug 2015 11:34:40 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 51/5A-19110-F4E58D55; Sat, 22 Aug 2015 11:34:39 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1440243277!43034436!1 X-Originating-IP: [209.85.213.42] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4850 invoked from network); 22 Aug 2015 11:34:38 -0000 Received: from mail-vk0-f42.google.com (HELO mail-vk0-f42.google.com) (209.85.213.42) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Aug 2015 11:34:38 -0000 Received: by vkd66 with SMTP id 66so40894532vkd.0 for ; Sat, 22 Aug 2015 04:34:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=i60qfANWIe6eRcoGFbENWGQEgL531FtU3MNJ/FM1g2Q=; b=qcluQJRVLI4A4ItoT93pm+3MJq5UdB/1UOzFmDoy3SzVdY1afYKA6iznJIrdmAx2DA Npb6Af4Q3IACfO8iXCCAwfySymhjUTJ+r1MouTeR7Y3U3YHbfMNEmre7gN5neFt3s4hw 7NtNFhErJOjQm+t2Sgey4e6ZfmYF9HRbaAYfSwHYIKKpXOmVj6m3lLceyoWSPYRz8gY+ C8bqrm2bpnosqGoqRh7mdyIUXpbibDH+JjSqWv/gO27J2yi0DPuE1AQ5cS9w1XTDN2i2 D6oIBq7bj/cbNXqu+MuZw1mIaC1uEfVSfCExJshRdvwf0D4/qX01XP3faAF06Ndilk0D O8kA== MIME-Version: 1.0 X-Received: by 10.52.250.202 with SMTP id ze10mr8318909vdc.68.1440243277418; Sat, 22 Aug 2015 04:34:37 -0700 (PDT) Received: by 10.31.156.87 with HTTP; Sat, 22 Aug 2015 04:34:37 -0700 (PDT) In-Reply-To: References: Date: Sat, 22 Aug 2015 12:34:37 +0100 Message-ID: From: Thomas Leonard To: Gareth Rushgrove Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 August 2015 at 17:07, Gareth Rushgrove wrote: > I'd managed to get a bunch of throughts out of how head an into blog > post form, on the theme of operating unikernels. > > The general gist is, assuming unikernels are awesome, how do we build > and run production systems based on them? > > http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ > > This is mainly a list of problems, I'd love to heard from anyone who > has done any hard thinking on any of them or cut any tools in this > space. Hi Gareth, A few thoughts: "How do I compose several unikernels together to build an application?" I think you answer this later, in the Orchestration section: the same way we do with other VMs/containers - using Docker Compose, Ubuntu Juju, etc. I haven't built anything big enough to need this yet though. What does a Continuous integration or deployment pipeline look like? Amir gives an example in "Towards Heroku for Unikernels: Part 1 - Automated deployment": http://amirchaudhry.com/heroku-for-unikernels-pt1/ "By removing the operating system we remove things like host firewalls ..." I see two main uses for firewalls. One is to avoid accidentally exposing a host-only service (e.g. a database used by a web app in the same VM) and the other is to provide basic access contol between VMs (only the web VM can access the DB VM). For the first, two services in the same Mirage unikernel will communicate directly using OCaml datatypes. When everything is a library, using a network for internal communication would be crazy. Also, while Linux allows any process to listen on the network, Mirage uses dependency injection so that only components that need network access will be given it. For the second, whatever is composing the services should configure the network, in my opinion. In other words, if I say I want my web server VM connected to a database VM, then nothing else should have access to the DB VM. I would certainly like to see a higher-level API for networking, that doesn't allow unexpected connections. e.g. we currently offer services a low-level network API like: val connect : network -> ipaddr -> port -> flow val listen : network -> port -> callback -> unit With this API, a library with network access can connect anywhere in the world by supplying any IP address and port number, and must handle its own encryption. A higher-level capability-style API could offer something more abstract, e.g. module type SturdyRef = sig type t val connect : t -> flow end Here, our web server would simply get a SturdyRef.t for the database, and all it could do would be to connect to it. What does debugging a system based on unikernels look like? There's an example here: https://mirage.io/wiki/profiling "As a motivating example, we'll track down a (real, but now fixed) bug in MirageOS's TCP stack." -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 22 17:37:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 22 Aug 2015 17:37:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZTCjD-0002jz-Tm; Sat, 22 Aug 2015 17:37:15 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZTCjC-0002ju-JT for MirageOS-devel@lists.xenproject.org; Sat, 22 Aug 2015 17:37:14 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id DA/3A-19110-943B8D55; Sat, 22 Aug 2015 17:37:13 +0000 X-Env-Sender: gareth@morethanseven.net X-Msg-Ref: server-10.tower-27.messagelabs.com!1440265031!43009894!1 X-Originating-IP: [209.85.213.172] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22693 invoked from network); 22 Aug 2015 17:37:12 -0000 Received: from mail-ig0-f172.google.com (HELO mail-ig0-f172.google.com) (209.85.213.172) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Aug 2015 17:37:12 -0000 Received: by igui7 with SMTP id i7so32937988igu.0 for ; Sat, 22 Aug 2015 10:37:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=bjNnxrz43Ae6efF2w6oyE5ajxWUWLfzNQH7ipYDOHe4=; b=T2wogzjfZhTxUMNjdp+kqM+h74S9AgU/q9ZT2lF6jBDAb3lU8QMtZ4H79eDmMPnDVg xvVNR86s5fJQqAPLoPEcfMl353dMW6HTEYH6K3nBgHGJx94F2wOphrkFlubD4fNpeDwI HVZn2MxfUGy0W0qrQN0di4p892MzlsFz9dHdQwiH1LfDKbPvoY7YD1i5WaGSyINivhJC jgU8Lb+ISwUeHkzopycZPZljGjru44xRybPNW5N8zTMv7kpqQQWyZ+OHf/Gd4GHORTPR Ah3NSZ7isVEXq3BwXUAZDKP3eJm7SvVuuNDVySrysCVTEjHIkz7w02LlN8Z/q+2x/HsK GlBg== X-Gm-Message-State: ALoCoQk86V9GyvsLR76dyATydhIDicrp9psgEuzNqSCziWaJZumpVIzCvPCWtECFYN/NdbNs52Iq MIME-Version: 1.0 X-Received: by 10.50.73.170 with SMTP id m10mr9045266igv.60.1440265030727; Sat, 22 Aug 2015 10:37:10 -0700 (PDT) Received: by 10.107.19.99 with HTTP; Sat, 22 Aug 2015 10:37:10 -0700 (PDT) In-Reply-To: References: Date: Sat, 22 Aug 2015 18:37:10 +0100 Message-ID: From: Gareth Rushgrove To: Thomas Leonard Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 August 2015 at 12:34, Thomas Leonard wrote: > On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >> I'd managed to get a bunch of throughts out of how head an into blog >> post form, on the theme of operating unikernels. >> >> The general gist is, assuming unikernels are awesome, how do we build >> and run production systems based on them? >> >> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >> >> This is mainly a list of problems, I'd love to heard from anyone who >> has done any hard thinking on any of them or cut any tools in this >> space. > > Hi Gareth, > > A few thoughts: > Thanks for replying. > > "How do I compose several unikernels together to build an application?" > > I think you answer this later, in the Orchestration section: the same > way we do with other VMs/containers - using Docker Compose, Ubuntu > Juju, etc. I haven't built anything big enough to need this yet > though. > That's my view as well (CloudFoundry or Kubernetes model would appear to work?) but I've not seen anyone doing this yet. Which probably means gaps exist when you actually try :) If anyone takes a run at this I'd certainly be interested, I'm guessing Lattice [http://lattice.cf/] might be a nice place to start? > > What does a Continuous integration or deployment pipeline look like? > > Amir gives an example in "Towards Heroku for Unikernels: Part 1 - > Automated deployment": > > http://amirchaudhry.com/heroku-for-unikernels-pt1/ > > While an example of what's possible I don't think this is the highly opinionated high-level interface that would be required to make it easy to get started. Githooks, Makefiles and shell scripts are great for prototypes but don't tend to make for a great experience in my view. The skeleton is great, but only covers running unit tests and only on Travis. Test Kitchen [http://kitchen.ci/] is maybe a nice model to look at - as a thought experiment "what would Test Kitchen for Mirage look like?" > "By removing the operating system we remove things like host firewalls ..." > > I see two main uses for firewalls. One is to avoid accidentally > exposing a host-only service (e.g. a database used by a web app in the > same VM) and the other is to provide basic access contol between VMs > (only the web VM can access the DB VM). > > For the first, two services in the same Mirage unikernel will > communicate directly using OCaml datatypes. When everything is a > library, using a network for internal communication would be crazy. At any degree of scale though you're going to be running many unikernels across many hosts - so some degree of network communication is going to be required (even if you minimise it with locality). Also, in most environments some of that integration is going to be with non-mirage/ocaml based systems and/or not running on the same hosts/datacenters. > Also, while Linux allows any process to listen on the network, Mirage > uses dependency injection so that only components that need network > access will be given it. > Yup, which is great. My thoughts were mainly about the second issue... > For the second, whatever is composing the services should configure > the network, in my opinion. In other words, if I say I want my web > server VM connected to a database VM, then nothing else should have > access to the DB VM. > > I would certainly like to see a higher-level API for networking, that > doesn't allow unexpected connections. e.g. we currently offer services > a low-level network API like: > > val connect : network -> ipaddr -> port -> flow > val listen : network -> port -> callback -> unit > > With this API, a library with network access can connect anywhere in > the world by supplying any IP address and port number, and must handle > its own encryption. A higher-level capability-style API could offer > something more abstract, e.g. > > module type SturdyRef = sig > type t > val connect : t -> flow > end > > Here, our web server would simply get a SturdyRef.t for the database, > and all it could do would be to connect to it. > Agreed. I just want something like this to exist :) I also think unikernels could make for really nice network devices (firewalls, security controls, proxies, etc.) Lots of people are finding the network the limiting factor when they start down a microservices rabbit hole in my experience. How would unikernels work with some of the newer players in this space like Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] might be interesting to consider? > > What does debugging a system based on unikernels look like? > > There's an example here: https://mirage.io/wiki/profiling > > "As a motivating example, we'll track down a (real, but now fixed) bug > in MirageOS's TCP stack." > >From an operators point of view that's not really the same thing. The issues I see: * enabling it requires recompilation and redeployment (although you could probably put this behind some sort of feature flag?) * it's not interactive I think the first is interesting, as the unikernel you're running might be provided by a third party vendor and you might not have the source code/right to modify/recompile. Or changes might required a lengthy change approval process. The second might be a matter of debugging at the hypervisor/xen layer but I've limited experience there. That also raises isolation issues - I probably want to limit access to the hypervisor more than to an individual application instance. I'm obviously mainly in critique mode with the post and points above. My main interest is in getting anyone thinking about operational problems early, in my view it's a pretty interesting set of issues for which good solutions undoutedly exist. Cheers Gareth > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA -- Gareth Rushgrove @garethr devopsweekly.com morethanseven.net garethrushgrove.com _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Aug 22 17:37:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 22 Aug 2015 17:37:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZTCjD-0002jz-Tm; Sat, 22 Aug 2015 17:37:15 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZTCjC-0002ju-JT for MirageOS-devel@lists.xenproject.org; Sat, 22 Aug 2015 17:37:14 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id DA/3A-19110-943B8D55; Sat, 22 Aug 2015 17:37:13 +0000 X-Env-Sender: gareth@morethanseven.net X-Msg-Ref: server-10.tower-27.messagelabs.com!1440265031!43009894!1 X-Originating-IP: [209.85.213.172] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22693 invoked from network); 22 Aug 2015 17:37:12 -0000 Received: from mail-ig0-f172.google.com (HELO mail-ig0-f172.google.com) (209.85.213.172) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Aug 2015 17:37:12 -0000 Received: by igui7 with SMTP id i7so32937988igu.0 for ; Sat, 22 Aug 2015 10:37:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=bjNnxrz43Ae6efF2w6oyE5ajxWUWLfzNQH7ipYDOHe4=; b=T2wogzjfZhTxUMNjdp+kqM+h74S9AgU/q9ZT2lF6jBDAb3lU8QMtZ4H79eDmMPnDVg xvVNR86s5fJQqAPLoPEcfMl353dMW6HTEYH6K3nBgHGJx94F2wOphrkFlubD4fNpeDwI HVZn2MxfUGy0W0qrQN0di4p892MzlsFz9dHdQwiH1LfDKbPvoY7YD1i5WaGSyINivhJC jgU8Lb+ISwUeHkzopycZPZljGjru44xRybPNW5N8zTMv7kpqQQWyZ+OHf/Gd4GHORTPR Ah3NSZ7isVEXq3BwXUAZDKP3eJm7SvVuuNDVySrysCVTEjHIkz7w02LlN8Z/q+2x/HsK GlBg== X-Gm-Message-State: ALoCoQk86V9GyvsLR76dyATydhIDicrp9psgEuzNqSCziWaJZumpVIzCvPCWtECFYN/NdbNs52Iq MIME-Version: 1.0 X-Received: by 10.50.73.170 with SMTP id m10mr9045266igv.60.1440265030727; Sat, 22 Aug 2015 10:37:10 -0700 (PDT) Received: by 10.107.19.99 with HTTP; Sat, 22 Aug 2015 10:37:10 -0700 (PDT) In-Reply-To: References: Date: Sat, 22 Aug 2015 18:37:10 +0100 Message-ID: From: Gareth Rushgrove To: Thomas Leonard Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 August 2015 at 12:34, Thomas Leonard wrote: > On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >> I'd managed to get a bunch of throughts out of how head an into blog >> post form, on the theme of operating unikernels. >> >> The general gist is, assuming unikernels are awesome, how do we build >> and run production systems based on them? >> >> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >> >> This is mainly a list of problems, I'd love to heard from anyone who >> has done any hard thinking on any of them or cut any tools in this >> space. > > Hi Gareth, > > A few thoughts: > Thanks for replying. > > "How do I compose several unikernels together to build an application?" > > I think you answer this later, in the Orchestration section: the same > way we do with other VMs/containers - using Docker Compose, Ubuntu > Juju, etc. I haven't built anything big enough to need this yet > though. > That's my view as well (CloudFoundry or Kubernetes model would appear to work?) but I've not seen anyone doing this yet. Which probably means gaps exist when you actually try :) If anyone takes a run at this I'd certainly be interested, I'm guessing Lattice [http://lattice.cf/] might be a nice place to start? > > What does a Continuous integration or deployment pipeline look like? > > Amir gives an example in "Towards Heroku for Unikernels: Part 1 - > Automated deployment": > > http://amirchaudhry.com/heroku-for-unikernels-pt1/ > > While an example of what's possible I don't think this is the highly opinionated high-level interface that would be required to make it easy to get started. Githooks, Makefiles and shell scripts are great for prototypes but don't tend to make for a great experience in my view. The skeleton is great, but only covers running unit tests and only on Travis. Test Kitchen [http://kitchen.ci/] is maybe a nice model to look at - as a thought experiment "what would Test Kitchen for Mirage look like?" > "By removing the operating system we remove things like host firewalls ..." > > I see two main uses for firewalls. One is to avoid accidentally > exposing a host-only service (e.g. a database used by a web app in the > same VM) and the other is to provide basic access contol between VMs > (only the web VM can access the DB VM). > > For the first, two services in the same Mirage unikernel will > communicate directly using OCaml datatypes. When everything is a > library, using a network for internal communication would be crazy. At any degree of scale though you're going to be running many unikernels across many hosts - so some degree of network communication is going to be required (even if you minimise it with locality). Also, in most environments some of that integration is going to be with non-mirage/ocaml based systems and/or not running on the same hosts/datacenters. > Also, while Linux allows any process to listen on the network, Mirage > uses dependency injection so that only components that need network > access will be given it. > Yup, which is great. My thoughts were mainly about the second issue... > For the second, whatever is composing the services should configure > the network, in my opinion. In other words, if I say I want my web > server VM connected to a database VM, then nothing else should have > access to the DB VM. > > I would certainly like to see a higher-level API for networking, that > doesn't allow unexpected connections. e.g. we currently offer services > a low-level network API like: > > val connect : network -> ipaddr -> port -> flow > val listen : network -> port -> callback -> unit > > With this API, a library with network access can connect anywhere in > the world by supplying any IP address and port number, and must handle > its own encryption. A higher-level capability-style API could offer > something more abstract, e.g. > > module type SturdyRef = sig > type t > val connect : t -> flow > end > > Here, our web server would simply get a SturdyRef.t for the database, > and all it could do would be to connect to it. > Agreed. I just want something like this to exist :) I also think unikernels could make for really nice network devices (firewalls, security controls, proxies, etc.) Lots of people are finding the network the limiting factor when they start down a microservices rabbit hole in my experience. How would unikernels work with some of the newer players in this space like Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] might be interesting to consider? > > What does debugging a system based on unikernels look like? > > There's an example here: https://mirage.io/wiki/profiling > > "As a motivating example, we'll track down a (real, but now fixed) bug > in MirageOS's TCP stack." > >From an operators point of view that's not really the same thing. The issues I see: * enabling it requires recompilation and redeployment (although you could probably put this behind some sort of feature flag?) * it's not interactive I think the first is interesting, as the unikernel you're running might be provided by a third party vendor and you might not have the source code/right to modify/recompile. Or changes might required a lengthy change approval process. The second might be a matter of debugging at the hypervisor/xen layer but I've limited experience there. That also raises isolation issues - I probably want to limit access to the hypervisor more than to an individual application instance. I'm obviously mainly in critique mode with the post and points above. My main interest is in getting anyone thinking about operational problems early, in my view it's a pretty interesting set of issues for which good solutions undoutedly exist. Cheers Gareth > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA -- Gareth Rushgrove @garethr devopsweekly.com morethanseven.net garethrushgrove.com _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:24:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:24:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUASr-0001zJ-KK; Tue, 25 Aug 2015 09:24:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUASq-0001z8-Os for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 09:24:20 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 56/09-16965-4443CD55; Tue, 25 Aug 2015 09:24:20 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-8.tower-31.messagelabs.com!1440494659!37806099!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27912 invoked from network); 25 Aug 2015 09:24:19 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-8.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 25 Aug 2015 09:24:19 -0000 Received: from [192.168.1.101] (i5E86C5A.versanet.de [94.134.197.10]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id 8C3461B1C for ; Tue, 25 Aug 2015 11:24:18 +0200 (CEST) Message-ID: <55DC3434.2070708@mehnert.org> Date: Tue, 25 Aug 2015 11:24:04 +0200 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: mirageos-devel OpenPGP: id=11B5464249B5BD858FFF6328BC896588DF7C28EE Subject: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1396357056971285182==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============1396357056971285182== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable hackers, I wondered if there's something available to act as a terminal emulation in a pure MirageOS setting? I discovered https://github.com/djs55/ocaml-vnc (but it is unclear to me whether it is working [and to what extend], supposed to be the MirageOS terminal emulation (or is there another one, maybe without vnc/rfb?), and is LGPL licensed). hannes --kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJV3DQ/AAoJELyJZYjffCjuzBMP/A71FGQp4pzbZcQzj1NnuybG zlm6fx6+slF4Eu3axBXw9IJSpnEb/WNTBOd5YnaDiscmWvEp8UvmSJMsqxayh6N1 /bIbpXWhnUXGZ8PWB0mlfTD9pDbCYIRQ/P8Z+HkTfBtxh4kuaHHtECXxfgrMZflk HCV2fYolsAYic3A0GrVxn/Z1bBwnl4UqgCsJLZt4mdkpxxoWcQHkiON+1UEbxoSt XLYrTwvj1RjmV7ABFIWHLgsueXylptLgDq4T0uK68BYbBSPxm1b02djXjuODgwSj fs/oV4r7J+DqdxoncQNsouk8ZWMHBUlsOa0HsrT3xFGhmjtYbLhjWj4zwM3bEtT6 pHNTmxqkWBf0DDxrGtRDbF9LSfs9uSIMCmf7l5u/EnMLGrFM5ok2CALZJgldEQJH J//tuP2bNDG3n3Pvsj0YeSRvx5HsjfkkIT1zFYdwF2Y6eZNrNH1ZB6DIb5dCkyin rkOgQ4ByGecX9lNBEJnAztPy0SynyIqscmM49zmH8heelj+Px+SsEnQRjMpdsh9u L2nD7Jxsdxt4Ui6Ij8/8Pyvav+DDrYFgsFmJMTa4dONdbgWGAEtvkAxWiFwxNpuy lqooD10NeeAQTweNA/NTs1Kviqd4W0qDeYILr9AZ4PxS5or9XfqteJlsWT1pc+6/ q9mo1OMPeQcOLOaTSjOB =szwd -----END PGP SIGNATURE----- --kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5-- --===============1396357056971285182== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1396357056971285182==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:24:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:24:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUASr-0001zJ-KK; Tue, 25 Aug 2015 09:24:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUASq-0001z8-Os for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 09:24:20 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 56/09-16965-4443CD55; Tue, 25 Aug 2015 09:24:20 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-8.tower-31.messagelabs.com!1440494659!37806099!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27912 invoked from network); 25 Aug 2015 09:24:19 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-8.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 25 Aug 2015 09:24:19 -0000 Received: from [192.168.1.101] (i5E86C5A.versanet.de [94.134.197.10]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id 8C3461B1C for ; Tue, 25 Aug 2015 11:24:18 +0200 (CEST) Message-ID: <55DC3434.2070708@mehnert.org> Date: Tue, 25 Aug 2015 11:24:04 +0200 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: mirageos-devel OpenPGP: id=11B5464249B5BD858FFF6328BC896588DF7C28EE Subject: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1396357056971285182==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============1396357056971285182== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable hackers, I wondered if there's something available to act as a terminal emulation in a pure MirageOS setting? I discovered https://github.com/djs55/ocaml-vnc (but it is unclear to me whether it is working [and to what extend], supposed to be the MirageOS terminal emulation (or is there another one, maybe without vnc/rfb?), and is LGPL licensed). hannes --kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJV3DQ/AAoJELyJZYjffCjuzBMP/A71FGQp4pzbZcQzj1NnuybG zlm6fx6+slF4Eu3axBXw9IJSpnEb/WNTBOd5YnaDiscmWvEp8UvmSJMsqxayh6N1 /bIbpXWhnUXGZ8PWB0mlfTD9pDbCYIRQ/P8Z+HkTfBtxh4kuaHHtECXxfgrMZflk HCV2fYolsAYic3A0GrVxn/Z1bBwnl4UqgCsJLZt4mdkpxxoWcQHkiON+1UEbxoSt XLYrTwvj1RjmV7ABFIWHLgsueXylptLgDq4T0uK68BYbBSPxm1b02djXjuODgwSj fs/oV4r7J+DqdxoncQNsouk8ZWMHBUlsOa0HsrT3xFGhmjtYbLhjWj4zwM3bEtT6 pHNTmxqkWBf0DDxrGtRDbF9LSfs9uSIMCmf7l5u/EnMLGrFM5ok2CALZJgldEQJH J//tuP2bNDG3n3Pvsj0YeSRvx5HsjfkkIT1zFYdwF2Y6eZNrNH1ZB6DIb5dCkyin rkOgQ4ByGecX9lNBEJnAztPy0SynyIqscmM49zmH8heelj+Px+SsEnQRjMpdsh9u L2nD7Jxsdxt4Ui6Ij8/8Pyvav+DDrYFgsFmJMTa4dONdbgWGAEtvkAxWiFwxNpuy lqooD10NeeAQTweNA/NTs1Kviqd4W0qDeYILr9AZ4PxS5or9XfqteJlsWT1pc+6/ q9mo1OMPeQcOLOaTSjOB =szwd -----END PGP SIGNATURE----- --kh9x1HbpuKlp8qvHRccElQiTcJF2IOhp5-- --===============1396357056971285182== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1396357056971285182==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:34:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:34:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUAcn-0002vG-2z; Tue, 25 Aug 2015 09:34:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUAcl-0002v1-U8 for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 09:34:36 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 8B/07-30270-BA63CD55; Tue, 25 Aug 2015 09:34:35 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1440495274!25015548!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8639 invoked from network); 25 Aug 2015 09:34:34 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 25 Aug 2015 09:34:34 -0000 Received: from [10.0.0.95] (host81-149-102-120.in-addr.btopenworld.com [81.149.102.120]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 59ea8b1a TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Tue, 25 Aug 2015 10:34:33 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: <55DC3434.2070708@mehnert.org> Date: Tue, 25 Aug 2015 10:34:36 +0100 Message-Id: References: <55DC3434.2070708@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 Aug 2015, at 10:24, Hannes Mehnert wrote: > > hackers, > > I wondered if there's something available to act as a terminal emulation > in a pure MirageOS setting? I discovered > https://github.com/djs55/ocaml-vnc (but it is unclear to me whether it > is working [and to what extend], supposed to be the MirageOS terminal > emulation (or is there another one, maybe without vnc/rfb?), and is LGPL > licensed). Yeah, the original idea behind ocaml-vnc was to use it as a PV framebuffer for Xen, so that we could provide interactivity for Mirage. However, it may be easier to provide a clean-slate ANSI terminal emulator on top of the console API before jumping to a full graphical environment. In addition to the ANSI terminal, that would need extending the CONSOLE with a CONSOLE_RW to provide a callback for interactive input. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:34:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:34:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUAcn-0002vG-2z; Tue, 25 Aug 2015 09:34:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUAcl-0002v1-U8 for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 09:34:36 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 8B/07-30270-BA63CD55; Tue, 25 Aug 2015 09:34:35 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1440495274!25015548!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8639 invoked from network); 25 Aug 2015 09:34:34 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 25 Aug 2015 09:34:34 -0000 Received: from [10.0.0.95] (host81-149-102-120.in-addr.btopenworld.com [81.149.102.120]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 59ea8b1a TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Tue, 25 Aug 2015 10:34:33 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: <55DC3434.2070708@mehnert.org> Date: Tue, 25 Aug 2015 10:34:36 +0100 Message-Id: References: <55DC3434.2070708@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 Aug 2015, at 10:24, Hannes Mehnert wrote: > > hackers, > > I wondered if there's something available to act as a terminal emulation > in a pure MirageOS setting? I discovered > https://github.com/djs55/ocaml-vnc (but it is unclear to me whether it > is working [and to what extend], supposed to be the MirageOS terminal > emulation (or is there another one, maybe without vnc/rfb?), and is LGPL > licensed). Yeah, the original idea behind ocaml-vnc was to use it as a PV framebuffer for Xen, so that we could provide interactivity for Mirage. However, it may be easier to provide a clean-slate ANSI terminal emulator on top of the console API before jumping to a full graphical environment. In addition to the ANSI terminal, that would need extending the CONSOLE with a CONSOLE_RW to provide a callback for interactive input. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:46:21 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:46:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUAo6-0003Yx-FY; Tue, 25 Aug 2015 09:46:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUAo4-0003Ys-LX for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 09:46:16 +0000 Received: from [85.158.137.68] by server-17.bemta-3.messagelabs.com id 0C/F3-02954-7693CD55; Tue, 25 Aug 2015 09:46:15 +0000 X-Env-Sender: prvs=672d05226=Dave.Scott@citrix.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1440495975!37830511!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10357 invoked from network); 25 Aug 2015 09:46:15 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 09:46:15 -0000 X-IronPort-AV: E=Sophos;i="5.15,745,1432598400"; d="scan'208";a="2221819" From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] terminal emulation Thread-Index: AQHQ3xf2Jdpdqbn3akqTMYEwnsuJ554cUswAgAADPoA= Date: Tue, 25 Aug 2015 09:46:14 +0000 Message-ID: <9DE3CD5E-2E00-47BF-84EE-EFB77F914451@citrix.com> References: <55DC3434.2070708@mehnert.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: mirageos-devel Subject: Re: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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d="scan'208";a="2221819" From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] terminal emulation Thread-Index: AQHQ3xf2Jdpdqbn3akqTMYEwnsuJ554cUswAgAADPoA= Date: Tue, 25 Aug 2015 09:46:14 +0000 Message-ID: <9DE3CD5E-2E00-47BF-84EE-EFB77F914451@citrix.com> References: <55DC3434.2070708@mehnert.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: mirageos-devel Subject: Re: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org DQo+IE9uIDI1IEF1ZyAyMDE1LCBhdCAxMDozNCwgQW5pbCBNYWRoYXZhcGVkZHkgPGFuaWxAcmVj b2lsLm9yZz4gd3JvdGU6DQo+IA0KPiBPbiAyNSBBdWcgMjAxNSwgYXQgMTA6MjQsIEhhbm5lcyBN ZWhuZXJ0IDxoYW5uZXNAbWVobmVydC5vcmc+IHdyb3RlOg0KPj4gDQo+PiBoYWNrZXJzLA0KPj4g DQo+PiBJIHdvbmRlcmVkIGlmIHRoZXJlJ3Mgc29tZXRoaW5nIGF2YWlsYWJsZSB0byBhY3QgYXMg YSB0ZXJtaW5hbCBlbXVsYXRpb24NCj4+IGluIGEgcHVyZSBNaXJhZ2VPUyBzZXR0aW5nPyAgSSBk aXNjb3ZlcmVkDQo+PiBodHRwczovL2dpdGh1Yi5jb20vZGpzNTUvb2NhbWwtdm5jIChidXQgaXQg aXMgdW5jbGVhciB0byBtZSB3aGV0aGVyIGl0DQo+PiBpcyB3b3JraW5nIFthbmQgdG8gd2hhdCBl eHRlbmRdLCBzdXBwb3NlZCB0byBiZSB0aGUgTWlyYWdlT1MgdGVybWluYWwNCj4+IGVtdWxhdGlv biAob3IgaXMgdGhlcmUgYW5vdGhlciBvbmUsIG1heWJlIHdpdGhvdXQgdm5jL3JmYj8pLCBhbmQg aXMgTEdQTA0KPj4gbGljZW5zZWQpLg0KPiANCj4gWWVhaCwgdGhlIG9yaWdpbmFsIGlkZWEgYmVo aW5kIG9jYW1sLXZuYyB3YXMgdG8gdXNlIGl0IGFzIGEgUFYgZnJhbWVidWZmZXINCj4gZm9yIFhl biwgc28gdGhhdCB3ZSBjb3VsZCBwcm92aWRlIGludGVyYWN0aXZpdHkgZm9yIE1pcmFnZS4NCj4g DQo+IEhvd2V2ZXIsIGl0IG1heSBiZSBlYXNpZXIgdG8gcHJvdmlkZSBhIGNsZWFuLXNsYXRlIEFO U0kgdGVybWluYWwgZW11bGF0b3INCj4gb24gdG9wIG9mIHRoZSBjb25zb2xlIEFQSSBiZWZvcmUg anVtcGluZyB0byBhIGZ1bGwgZ3JhcGhpY2FsIGVudmlyb25tZW50Lg0KPiBJbiBhZGRpdGlvbiB0 byB0aGUgQU5TSSB0ZXJtaW5hbCwgdGhhdCB3b3VsZCBuZWVkIGV4dGVuZGluZyB0aGUgQ09OU09M RQ0KPiB3aXRoIGEgQ09OU09MRV9SVyB0byBwcm92aWRlIGEgY2FsbGJhY2sgZm9yIGludGVyYWN0 aXZlIGlucHV0Lg0KDQpZZWFoIEkgdGhpbmsgYSBzZXBhcmF0ZSB0ZXJtaW5hbCBlbXVsYXRvciBs aWJyYXJ5IHdvdWxkIGJlIHVzZWZ1bCB0byBoYXZlLiBJIGhhZCBzdGFydGVkIHRvIHdyaXRlIG9u ZSBhcyBhbiBvY2FtbC12bmMgZXhhbXBsZSDigJQgdGhlIGluaXRpYWwgaWRlYSB3YXMgdG8gcmVw bGFjZSBhIGNvbW1vbiBYZW4gdG9vbCBjYWxsZWQg4oCcdm5jdGVybeKAnSDigJQgYnV0IEkgcmFu IG91dCBvZiB0aW1lIG9uIHRoYXQgcGFydGljdWxhciBwcm9qZWN0LiBJIHdhcyBhbHNvIHdvbmRl cmluZyB3aGF0IGl0IHdvdWxkIHRha2UgdG8gYnVpbGQgc29tZXRoaW5nIGxpa2UgdG11eC4NCg0K VGhlIGV4YW1wbGUgdGVybWluYWwgY29kZSBpbiB0aGF0IHJlcG8gaXMgcHJvYmFibHkgbm90IHdv cnRoIHRoZSBib3RoZXIgb2YgZXhhbWluaW5nIHRvbyBjbG9zZWx5Lg0KDQpDaGVlcnMsDQpEYXZl DQoNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFn ZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9y ZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21p cmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:48:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:48:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUApp-00041X-MJ; 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a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=M0OA4017cBbJIKgPhwYLova+z2/T0rkeddDNsjQ+cts=; b=S3f32u/txtTvsodBrnOlWgSlYkp6rhkRhC55WF72LZK/Avxp1EuJ05/AFtRq4HWRU1 KvqqZBF+PLlPausWWGCOEZluc7/1Oe0U8Nf2+3KUNdZJDrpbPfEGaRFEWIzxeK4DWTwh YtfsfBZPZmlSoAknkuxxo3GFwos8oAm4WfPLgytk/acW9Aj34gNETv9bgtD/R3066xfx po8Pjv2IPSgpEX1cDLiLOYqfPRuV6ZTpP9RPwdohnAyCxACjwQEYZJASaRVG5A7utF+v vdyMXpqpmJX/H3jz0rJ+qy2O92vG0ipfgUOxEZMbVe8AjLLSJ9av5UXoXAGjNOtmZGmo AnqQ== MIME-Version: 1.0 X-Received: by 10.52.114.196 with SMTP id ji4mr35655019vdb.24.1440496081770; Tue, 25 Aug 2015 02:48:01 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Tue, 25 Aug 2015 02:48:01 -0700 (PDT) In-Reply-To: References: <55DC3434.2070708@mehnert.org> Date: Tue, 25 Aug 2015 10:48:01 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 10:34, Anil Madhavapeddy wrote: > On 25 Aug 2015, at 10:24, Hannes Mehnert wrote: >> >> hackers, >> >> I wondered if there's something available to act as a terminal emulation >> in a pure MirageOS setting? I discovered >> https://github.com/djs55/ocaml-vnc (but it is unclear to me whether it >> is working [and to what extend], supposed to be the MirageOS terminal >> emulation (or is there another one, maybe without vnc/rfb?), and is LGPL >> licensed). > > Yeah, the original idea behind ocaml-vnc was to use it as a PV framebuffer > for Xen, so that we could provide interactivity for Mirage. > > However, it may be easier to provide a clean-slate ANSI terminal emulator > on top of the console API before jumping to a full graphical environment. > In addition to the ANSI terminal, that would need extending the CONSOLE > with a CONSOLE_RW to provide a callback for interactive input. CONSOLE already includes FLOW, so reading should already work. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 09:48:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 09:48:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUApp-00041X-MJ; Tue, 25 Aug 2015 09:48:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUApo-00041S-5n for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 09:48:04 +0000 Received: from [85.158.137.68] by server-4.bemta-3.messagelabs.com id 67/74-09570-3D93CD55; Tue, 25 Aug 2015 09:48:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1440496082!35420696!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19705 invoked from network); 25 Aug 2015 09:48:02 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 09:48:02 -0000 Received: by vkd66 with SMTP id 66so70495767vkd.0 for ; Tue, 25 Aug 2015 02:48:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=M0OA4017cBbJIKgPhwYLova+z2/T0rkeddDNsjQ+cts=; b=S3f32u/txtTvsodBrnOlWgSlYkp6rhkRhC55WF72LZK/Avxp1EuJ05/AFtRq4HWRU1 KvqqZBF+PLlPausWWGCOEZluc7/1Oe0U8Nf2+3KUNdZJDrpbPfEGaRFEWIzxeK4DWTwh YtfsfBZPZmlSoAknkuxxo3GFwos8oAm4WfPLgytk/acW9Aj34gNETv9bgtD/R3066xfx po8Pjv2IPSgpEX1cDLiLOYqfPRuV6ZTpP9RPwdohnAyCxACjwQEYZJASaRVG5A7utF+v vdyMXpqpmJX/H3jz0rJ+qy2O92vG0ipfgUOxEZMbVe8AjLLSJ9av5UXoXAGjNOtmZGmo AnqQ== MIME-Version: 1.0 X-Received: by 10.52.114.196 with SMTP id ji4mr35655019vdb.24.1440496081770; Tue, 25 Aug 2015 02:48:01 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Tue, 25 Aug 2015 02:48:01 -0700 (PDT) In-Reply-To: References: <55DC3434.2070708@mehnert.org> Date: Tue, 25 Aug 2015 10:48:01 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] terminal emulation X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 10:34, Anil Madhavapeddy wrote: > On 25 Aug 2015, at 10:24, Hannes Mehnert wrote: >> >> hackers, >> >> I wondered if there's something available to act as a terminal emulation >> in a pure MirageOS setting? I discovered >> https://github.com/djs55/ocaml-vnc (but it is unclear to me whether it >> is working [and to what extend], supposed to be the MirageOS terminal >> emulation (or is there another one, maybe without vnc/rfb?), and is LGPL >> licensed). > > Yeah, the original idea behind ocaml-vnc was to use it as a PV framebuffer > for Xen, so that we could provide interactivity for Mirage. > > However, it may be easier to provide a clean-slate ANSI terminal emulator > on top of the console API before jumping to a full graphical environment. > In addition to the ANSI terminal, that would need extending the CONSOLE > with a CONSOLE_RW to provide a callback for interactive input. CONSOLE already includes FLOW, so reading should already work. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 11:35:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 11:35:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCVf-0001hE-Ng; Tue, 25 Aug 2015 11:35:23 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCVe-0001go-DX; Tue, 25 Aug 2015 11:35:22 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 9E/9F-19125-9F25CD55; Tue, 25 Aug 2015 11:35:21 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1440502520!26233445!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21936 invoked from network); 25 Aug 2015 11:35:20 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 11:35:20 -0000 Received: by wicja10 with SMTP id ja10so12120893wic.1; Tue, 25 Aug 2015 04:35:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=8B0sCWwJ+5e0cGEqN63Kwf0ysudR7/eLqY20bn9XDKA=; b=jrtvncWmU4f+K2dGBDVx7c4aUM6iWfKvxXO0hnPpSAIK3m+k1sZIxjbTOjxpiWtUi0 LqkOYuTZEXRFGvsQbkMVFQ5WDMnB0fXpZf1fpy59xB7PNpfeUtXemVF2eZFLqrp3KeRn irdMmvy/uGB8B/Xa5cqZrSctWhOwyFLANUX0JTJU8PF9MtC8wEZBv5j98CnY2CtfOg7H mWha4Pw+2ucse2FxPIiMMzzhzyaDMviu1Wa4RGiVnj8Fjft9USMRhJgpb+69M+TZDyA7 yz3CghTwoxUi3zQ3A2JwPc47kOTH4c7T5kNpgGhoPYBMAXp6UnerVaJ6mJbQmu6w+qN5 w7mw== X-Received: by 10.181.13.13 with SMTP id eu13mr4127614wid.70.1440502520321; Tue, 25 Aug 2015 04:35:20 -0700 (PDT) Received: from [192.168.0.8] (97e55056.skybroadband.com. [151.229.80.86]) by smtp.gmail.com with ESMTPSA id lk16sm2240918wic.6.2015.08.25.04.35.18 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 25 Aug 2015 04:35:18 -0700 (PDT) From: Lars Kurth Message-Id: Date: Tue, 25 Aug 2015 12:35:17 +0100 To: xen devel , mirageos-devel , Win-pv-devel@lists.xenproject.org, xen-users@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Xen Project Developer Summit Videos are Live X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all the Xen Project Developer Summit Videos are live at https://www.youtube.com/user/XenProjectSoftware .... Note that there have been reports on a couple of videos that the sound starts late (1-2 minutes into the video). If you come across another one, please reply to me directly with the video URL and we can get these fixed. Also most presentations (PDFs) are available at http://events.linuxfoundation.org/events/xen-project-developer-summit/program/slides - we are chasing speakers who have not yet posted their presentations. Best Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 11:35:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 11:35:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCVf-0001hE-Ng; Tue, 25 Aug 2015 11:35:23 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCVe-0001go-DX; Tue, 25 Aug 2015 11:35:22 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 9E/9F-19125-9F25CD55; Tue, 25 Aug 2015 11:35:21 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1440502520!26233445!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21936 invoked from network); 25 Aug 2015 11:35:20 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 11:35:20 -0000 Received: by wicja10 with SMTP id ja10so12120893wic.1; Tue, 25 Aug 2015 04:35:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=8B0sCWwJ+5e0cGEqN63Kwf0ysudR7/eLqY20bn9XDKA=; b=jrtvncWmU4f+K2dGBDVx7c4aUM6iWfKvxXO0hnPpSAIK3m+k1sZIxjbTOjxpiWtUi0 LqkOYuTZEXRFGvsQbkMVFQ5WDMnB0fXpZf1fpy59xB7PNpfeUtXemVF2eZFLqrp3KeRn irdMmvy/uGB8B/Xa5cqZrSctWhOwyFLANUX0JTJU8PF9MtC8wEZBv5j98CnY2CtfOg7H mWha4Pw+2ucse2FxPIiMMzzhzyaDMviu1Wa4RGiVnj8Fjft9USMRhJgpb+69M+TZDyA7 yz3CghTwoxUi3zQ3A2JwPc47kOTH4c7T5kNpgGhoPYBMAXp6UnerVaJ6mJbQmu6w+qN5 w7mw== X-Received: by 10.181.13.13 with SMTP id eu13mr4127614wid.70.1440502520321; Tue, 25 Aug 2015 04:35:20 -0700 (PDT) Received: from [192.168.0.8] (97e55056.skybroadband.com. [151.229.80.86]) by smtp.gmail.com with ESMTPSA id lk16sm2240918wic.6.2015.08.25.04.35.18 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 25 Aug 2015 04:35:18 -0700 (PDT) From: Lars Kurth Message-Id: Date: Tue, 25 Aug 2015 12:35:17 +0100 To: xen devel , mirageos-devel , Win-pv-devel@lists.xenproject.org, xen-users@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Xen Project Developer Summit Videos are Live X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all the Xen Project Developer Summit Videos are live at https://www.youtube.com/user/XenProjectSoftware .... Note that there have been reports on a couple of videos that the sound starts late (1-2 minutes into the video). If you come across another one, please reply to me directly with the video URL and we can get these fixed. Also most presentations (PDFs) are available at http://events.linuxfoundation.org/events/xen-project-developer-summit/program/slides - we are chasing speakers who have not yet posted their presentations. Best Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 11:47:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 11:47:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCgj-0002uY-IP; Tue, 25 Aug 2015 11:46:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCgh-0002uT-RE for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 11:46:48 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 8B/27-28221-7A55CD55; Tue, 25 Aug 2015 11:46:47 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1440503204!41858383!1 X-Originating-IP: [209.85.213.51] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22771 invoked from network); 25 Aug 2015 11:46:45 -0000 Received: from mail-vk0-f51.google.com (HELO mail-vk0-f51.google.com) (209.85.213.51) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 11:46:45 -0000 Received: by vkd66 with SMTP id 66so71648890vkd.0 for ; Tue, 25 Aug 2015 04:46:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=I5FSbeZ9Y6FI0U5iq16mY8Rc0DFbi8r/xJrUUYhu4bQ=; b=KpeWYuZwDOolN6l++Z24ZfTDfPDPQ9uPltSI/WHbPDGx1UgbGtvanWYr+fKlZ0GizN 2O7N+gM0Yv3obTEP4TJmWuMzK2t49UAamk76lmeRksETMYmL5H/9bYOJYwKnMdtaJcBd njXVAblzlHm66GFT5igkMYxDGLDNwdZTsiLtnTVUNNgo0Cm0cfptOGZL3TBSZNQRPigg VcjDEIAsrBONVZ/LImp+14dh5fwF9oLul9Xx9H6qqdGA8iNI5peRg38cF8FwcIp7rsKf DFWhMxcNTWj9GhLq5fLP3+r5rj2wbFQOZzlZjz2B0MYNPBkOKm/iJns9+xXFweZRS4VW jutg== MIME-Version: 1.0 X-Received: by 10.52.69.175 with SMTP id f15mr37022010vdu.5.1440503204449; Tue, 25 Aug 2015 04:46:44 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Tue, 25 Aug 2015 04:46:44 -0700 (PDT) In-Reply-To: References: Date: Tue, 25 Aug 2015 12:46:44 +0100 Message-ID: From: Thomas Leonard To: Gareth Rushgrove Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 August 2015 at 18:37, Gareth Rushgrove wrote: > On 22 August 2015 at 12:34, Thomas Leonard wrote: >> On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >>> I'd managed to get a bunch of throughts out of how head an into blog >>> post form, on the theme of operating unikernels. >>> >>> The general gist is, assuming unikernels are awesome, how do we build >>> and run production systems based on them? >>> >>> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >>> >>> This is mainly a list of problems, I'd love to heard from anyone who >>> has done any hard thinking on any of them or cut any tools in this >>> space. >> >> Hi Gareth, >> >> A few thoughts: >> > > Thanks for replying. > >> >> "How do I compose several unikernels together to build an application?" >> >> I think you answer this later, in the Orchestration section: the same >> way we do with other VMs/containers - using Docker Compose, Ubuntu >> Juju, etc. I haven't built anything big enough to need this yet >> though. >> > > That's my view as well (CloudFoundry or Kubernetes model would appear > to work?) but I've not seen anyone doing this yet. Which probably > means gaps exist when you actually try :) If anyone takes a run at > this I'd certainly be interested, I'm guessing Lattice > [http://lattice.cf/] might be a nice place to start? Me too. Since Mirage services can also be compiled as Unix binaries it should be possible to test deployment configuration using existing systems right now. Then, it's "just" a matter of teaching the deployment system to deploy unikernel VMs directly, rather than deploying Linux VMs containing the service. >> What does a Continuous integration or deployment pipeline look like? >> >> Amir gives an example in "Towards Heroku for Unikernels: Part 1 - >> Automated deployment": >> >> http://amirchaudhry.com/heroku-for-unikernels-pt1/ > > While an example of what's possible I don't think this is the highly > opinionated high-level interface that would be required to make it > easy to get started. Githooks, Makefiles and shell scripts are great > for prototypes but don't tend to make for a great experience in my > view. The skeleton is great, but only covers running unit tests and > only on Travis. Test Kitchen [http://kitchen.ci/] is maybe a nice > model to look at - as a thought experiment "what would Test Kitchen > for Mirage look like?" Amir, any thoughts on this? I don't see any reason why the deployment scripts can't be made generic and packaged up. >> "By removing the operating system we remove things like host firewalls ..." >> >> I see two main uses for firewalls. One is to avoid accidentally >> exposing a host-only service (e.g. a database used by a web app in the >> same VM) and the other is to provide basic access contol between VMs >> (only the web VM can access the DB VM). >> >> For the first, two services in the same Mirage unikernel will >> communicate directly using OCaml datatypes. When everything is a >> library, using a network for internal communication would be crazy. > > At any degree of scale though you're going to be running many > unikernels across many hosts - so some degree of network communication > is going to be required (even if you minimise it with locality). Also, > in most environments some of that integration is going to be with > non-mirage/ocaml based systems and/or not running on the same > hosts/datacenters. > >> Also, while Linux allows any process to listen on the network, Mirage >> uses dependency injection so that only components that need network >> access will be given it. >> > > Yup, which is great. My thoughts were mainly about the second issue... > >> For the second, whatever is composing the services should configure >> the network, in my opinion. In other words, if I say I want my web >> server VM connected to a database VM, then nothing else should have >> access to the DB VM. >> >> I would certainly like to see a higher-level API for networking, that >> doesn't allow unexpected connections. e.g. we currently offer services >> a low-level network API like: >> >> val connect : network -> ipaddr -> port -> flow >> val listen : network -> port -> callback -> unit >> >> With this API, a library with network access can connect anywhere in >> the world by supplying any IP address and port number, and must handle >> its own encryption. A higher-level capability-style API could offer >> something more abstract, e.g. >> >> module type SturdyRef = sig >> type t >> val connect : t -> flow >> end >> >> Here, our web server would simply get a SturdyRef.t for the database, >> and all it could do would be to connect to it. >> > > Agreed. I just want something like this to exist :) > > I also think unikernels could make for really nice network devices > (firewalls, security controls, proxies, etc.) Yes. Here's a simple unikernel for a NAT device, for example: https://github.com/yomimono/simple-nat > Lots of people are finding the network the limiting factor when they > start down a microservices rabbit hole in my experience. How would > unikernels work with some of the newer players in this space like > Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] > might be interesting to consider? > >> >> What does debugging a system based on unikernels look like? >> >> There's an example here: https://mirage.io/wiki/profiling >> >> "As a motivating example, we'll track down a (real, but now fixed) bug >> in MirageOS's TCP stack." >> > > From an operators point of view that's not really the same thing. The > issues I see: > > * enabling it requires recompilation and redeployment (although you > could probably put this behind some sort of feature flag?) It can be enabled and disabled at run-time, but there's still a performance cost to having this kind of very detailed tracing available. I'd certainly like to see more support for general logging and metrics (the kind of thing you keep on all the time). On the other hand, I think you should be prepared to recompile and redeploy your unikernels when needed, and that shouldn't be a big deal. Trying to modify and redeploy a Linux kernel to get extra debug is a nightmare, but with a unikernel it can be very easy. > * it's not interactive You can refresh the view while its running, so if you have something you can tweak dynamically, you can see what effect it's having. > I think the first is interesting, as the unikernel you're running > might be provided by a third party vendor and you might not have the > source code/right to modify/recompile. Or changes might required a > lengthy change approval process. Yes, for binary-only releases you have to compile any needed debug code into it at all times (or provide a separate debug build). > The second might be a matter of debugging at the hypervisor/xen layer > but I've limited experience there. That also raises isolation issues - > I probably want to limit access to the hypervisor more than to an > individual application instance. > > I'm obviously mainly in critique mode with the post and points above. > My main interest is in getting anyone thinking about operational > problems early, in my view it's a pretty interesting set of issues for > which good solutions undoutedly exist. We need more experience reports here. In my case, all problems have been one of: - Why did this take so long? (the disk driver didn't support large requests and had to split them; the TCP stack set the retransmission timeout too long) - Why did this fail? (some exception details got ignored and replaced by a generic error; I want to see the original) - Why didn't this ever finish? (the ARP reply arrived before we started waiting for it) These questions can all be answered with the existing tracing. What kind of interactive debugging would be helpful for you? When anyone has a hard-to-diagnose problem, I'm interested to see how Mirage's tracing or error reporting could be improved to make the problem obvious. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 11:47:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 11:47:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCgj-0002uY-IP; Tue, 25 Aug 2015 11:46:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUCgh-0002uT-RE for MirageOS-devel@lists.xenproject.org; Tue, 25 Aug 2015 11:46:48 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 8B/27-28221-7A55CD55; Tue, 25 Aug 2015 11:46:47 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1440503204!41858383!1 X-Originating-IP: [209.85.213.51] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22771 invoked from network); 25 Aug 2015 11:46:45 -0000 Received: from mail-vk0-f51.google.com (HELO mail-vk0-f51.google.com) (209.85.213.51) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 11:46:45 -0000 Received: by vkd66 with SMTP id 66so71648890vkd.0 for ; Tue, 25 Aug 2015 04:46:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=I5FSbeZ9Y6FI0U5iq16mY8Rc0DFbi8r/xJrUUYhu4bQ=; b=KpeWYuZwDOolN6l++Z24ZfTDfPDPQ9uPltSI/WHbPDGx1UgbGtvanWYr+fKlZ0GizN 2O7N+gM0Yv3obTEP4TJmWuMzK2t49UAamk76lmeRksETMYmL5H/9bYOJYwKnMdtaJcBd njXVAblzlHm66GFT5igkMYxDGLDNwdZTsiLtnTVUNNgo0Cm0cfptOGZL3TBSZNQRPigg VcjDEIAsrBONVZ/LImp+14dh5fwF9oLul9Xx9H6qqdGA8iNI5peRg38cF8FwcIp7rsKf DFWhMxcNTWj9GhLq5fLP3+r5rj2wbFQOZzlZjz2B0MYNPBkOKm/iJns9+xXFweZRS4VW jutg== MIME-Version: 1.0 X-Received: by 10.52.69.175 with SMTP id f15mr37022010vdu.5.1440503204449; Tue, 25 Aug 2015 04:46:44 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Tue, 25 Aug 2015 04:46:44 -0700 (PDT) In-Reply-To: References: Date: Tue, 25 Aug 2015 12:46:44 +0100 Message-ID: From: Thomas Leonard To: Gareth Rushgrove Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 August 2015 at 18:37, Gareth Rushgrove wrote: > On 22 August 2015 at 12:34, Thomas Leonard wrote: >> On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >>> I'd managed to get a bunch of throughts out of how head an into blog >>> post form, on the theme of operating unikernels. >>> >>> The general gist is, assuming unikernels are awesome, how do we build >>> and run production systems based on them? >>> >>> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >>> >>> This is mainly a list of problems, I'd love to heard from anyone who >>> has done any hard thinking on any of them or cut any tools in this >>> space. >> >> Hi Gareth, >> >> A few thoughts: >> > > Thanks for replying. > >> >> "How do I compose several unikernels together to build an application?" >> >> I think you answer this later, in the Orchestration section: the same >> way we do with other VMs/containers - using Docker Compose, Ubuntu >> Juju, etc. I haven't built anything big enough to need this yet >> though. >> > > That's my view as well (CloudFoundry or Kubernetes model would appear > to work?) but I've not seen anyone doing this yet. Which probably > means gaps exist when you actually try :) If anyone takes a run at > this I'd certainly be interested, I'm guessing Lattice > [http://lattice.cf/] might be a nice place to start? Me too. Since Mirage services can also be compiled as Unix binaries it should be possible to test deployment configuration using existing systems right now. Then, it's "just" a matter of teaching the deployment system to deploy unikernel VMs directly, rather than deploying Linux VMs containing the service. >> What does a Continuous integration or deployment pipeline look like? >> >> Amir gives an example in "Towards Heroku for Unikernels: Part 1 - >> Automated deployment": >> >> http://amirchaudhry.com/heroku-for-unikernels-pt1/ > > While an example of what's possible I don't think this is the highly > opinionated high-level interface that would be required to make it > easy to get started. Githooks, Makefiles and shell scripts are great > for prototypes but don't tend to make for a great experience in my > view. The skeleton is great, but only covers running unit tests and > only on Travis. Test Kitchen [http://kitchen.ci/] is maybe a nice > model to look at - as a thought experiment "what would Test Kitchen > for Mirage look like?" Amir, any thoughts on this? I don't see any reason why the deployment scripts can't be made generic and packaged up. >> "By removing the operating system we remove things like host firewalls ..." >> >> I see two main uses for firewalls. One is to avoid accidentally >> exposing a host-only service (e.g. a database used by a web app in the >> same VM) and the other is to provide basic access contol between VMs >> (only the web VM can access the DB VM). >> >> For the first, two services in the same Mirage unikernel will >> communicate directly using OCaml datatypes. When everything is a >> library, using a network for internal communication would be crazy. > > At any degree of scale though you're going to be running many > unikernels across many hosts - so some degree of network communication > is going to be required (even if you minimise it with locality). Also, > in most environments some of that integration is going to be with > non-mirage/ocaml based systems and/or not running on the same > hosts/datacenters. > >> Also, while Linux allows any process to listen on the network, Mirage >> uses dependency injection so that only components that need network >> access will be given it. >> > > Yup, which is great. My thoughts were mainly about the second issue... > >> For the second, whatever is composing the services should configure >> the network, in my opinion. In other words, if I say I want my web >> server VM connected to a database VM, then nothing else should have >> access to the DB VM. >> >> I would certainly like to see a higher-level API for networking, that >> doesn't allow unexpected connections. e.g. we currently offer services >> a low-level network API like: >> >> val connect : network -> ipaddr -> port -> flow >> val listen : network -> port -> callback -> unit >> >> With this API, a library with network access can connect anywhere in >> the world by supplying any IP address and port number, and must handle >> its own encryption. A higher-level capability-style API could offer >> something more abstract, e.g. >> >> module type SturdyRef = sig >> type t >> val connect : t -> flow >> end >> >> Here, our web server would simply get a SturdyRef.t for the database, >> and all it could do would be to connect to it. >> > > Agreed. I just want something like this to exist :) > > I also think unikernels could make for really nice network devices > (firewalls, security controls, proxies, etc.) Yes. Here's a simple unikernel for a NAT device, for example: https://github.com/yomimono/simple-nat > Lots of people are finding the network the limiting factor when they > start down a microservices rabbit hole in my experience. How would > unikernels work with some of the newer players in this space like > Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] > might be interesting to consider? > >> >> What does debugging a system based on unikernels look like? >> >> There's an example here: https://mirage.io/wiki/profiling >> >> "As a motivating example, we'll track down a (real, but now fixed) bug >> in MirageOS's TCP stack." >> > > From an operators point of view that's not really the same thing. The > issues I see: > > * enabling it requires recompilation and redeployment (although you > could probably put this behind some sort of feature flag?) It can be enabled and disabled at run-time, but there's still a performance cost to having this kind of very detailed tracing available. I'd certainly like to see more support for general logging and metrics (the kind of thing you keep on all the time). On the other hand, I think you should be prepared to recompile and redeploy your unikernels when needed, and that shouldn't be a big deal. Trying to modify and redeploy a Linux kernel to get extra debug is a nightmare, but with a unikernel it can be very easy. > * it's not interactive You can refresh the view while its running, so if you have something you can tweak dynamically, you can see what effect it's having. > I think the first is interesting, as the unikernel you're running > might be provided by a third party vendor and you might not have the > source code/right to modify/recompile. Or changes might required a > lengthy change approval process. Yes, for binary-only releases you have to compile any needed debug code into it at all times (or provide a separate debug build). > The second might be a matter of debugging at the hypervisor/xen layer > but I've limited experience there. That also raises isolation issues - > I probably want to limit access to the hypervisor more than to an > individual application instance. > > I'm obviously mainly in critique mode with the post and points above. > My main interest is in getting anyone thinking about operational > problems early, in my view it's a pretty interesting set of issues for > which good solutions undoutedly exist. We need more experience reports here. In my case, all problems have been one of: - Why did this take so long? (the disk driver didn't support large requests and had to split them; the TCP stack set the retransmission timeout too long) - Why did this fail? (some exception details got ignored and replaced by a generic error; I want to see the original) - Why didn't this ever finish? (the ARP reply arrived before we started waiting for it) These questions can all be answered with the existing tracing. What kind of interactive debugging would be helpful for you? When anyone has a hard-to-diagnose problem, I'm interested to see how Mirage's tracing or error reporting could be improved to make the problem obvious. -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 14:12:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 14:12:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUEx8-00025r-IF; Tue, 25 Aug 2015 14:11:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUEx7-00025m-H9 for mirageos-devel@lists.xenproject.org; Tue, 25 Aug 2015 14:11:53 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 30/5A-31069-8A77CD55; Tue, 25 Aug 2015 14:11:52 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1440511911!37942223!1 X-Originating-IP: [209.85.215.50] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25150 invoked from network); 25 Aug 2015 14:11:51 -0000 Received: from mail-la0-f50.google.com (HELO mail-la0-f50.google.com) (209.85.215.50) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 14:11:51 -0000 Received: by laba3 with SMTP id a3so99192341lab.1 for ; Tue, 25 Aug 2015 07:11:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=KsQ2yWnPVbN2lPoVegHHpV5KKpQeojzMF4otUiQmvzw=; b=DTnYeSPZ5qIWNKEbYxuYAhWSQRx0fYSW0mNH+cGLBndlLeYthfUkED+3hLzVsfAG1H ZJAqSCSIRZ8be8rksBuaJ9hGu9flP2am+EDJ92vpejS68ncBSkPdguK+fV4douh1aRCf uYXh4BUv9VAdDzT6uV5aVywcz73hjkQVdKvtqYSMmYeo6yC2dyfy48JZa/ijsNOtcAP9 h00qgmg7yQ5QSc4eiqsE8HxJqI165+rLOR6z9zIY1X+XVTSok+BQ7I9WsKHiwhMeZmFC KU5Ii5X6IM4sHBAYBoUF0JUMHBcHt0+/MNGExSlSMoNxd3VYQ9R6suhlsYJG0/8KCRO4 76Iw== MIME-Version: 1.0 X-Received: by 10.112.147.201 with SMTP id tm9mr25637512lbb.40.1440511911147; Tue, 25 Aug 2015 07:11:51 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Tue, 25 Aug 2015 07:11:51 -0700 (PDT) In-Reply-To: References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> Date: Tue, 25 Aug 2015 16:11:51 +0200 X-Google-Sender-Auth: 0KNe-K_sY7tL5RHnTa5VxBtAFNM Message-ID: From: "Christiano F. Haesbaert" To: Magnus Skjegstad Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1201351501640523936==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1201351501640523936== Content-Type: multipart/alternative; boundary=047d7b34391ac240be051e2350f7 --047d7b34391ac240be051e2350f7 Content-Type: text/plain; charset=UTF-8 On Wednesday, August 19, 2015, Christiano F. Haesbaert < haesbaert@haesbaert.org> wrote: > On 18 August 2015 at 11:15, Magnus Skjegstad > > wrote: > > On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote: > >> > * Pass the configuration to the VM somehow, I think I read on the > >> > key/value module that converts the file into an ml file, that would be > >> > ok. > >> > >> I need to look up the latest on this, but the OS.Env module should > >> do key/value maps via the unikernel command line. Thomas/Magnus, > >> what did you end up deciding to use in Jitsu for unikernel arg parsing? > > > > I still use mirage-bootvar-xen [0] to pass parameters via the "extra" > > option in libxl (or cmdline in libvirt). Eventually it would be great to > > be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for > > Xen [1] :-) > > > > > > 0. https://github.com/mirage/mirage-bootvar-xen > > 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml > > After converting, I guess there won't be any parameters except > verbosity to be passed (not considering the interfaces), but I do need > to pass the configuration file somehow. > Since I'm still not saving the lease database to disk, which I do > intend to do with irmin, the only thing I'd need is passing this > configuration file. > So I released rawlink on opam and hdhcp should work now. I had started to convert the code to mirage and I have some questions. How exactly should the distribution be ? Should I release a package in opam that exports a "dhcp server module" ? Should I include something like a unikernel config.ml skeleton and friends ? Should it be included inside an existing mirage library ? My idea so far was to release hdhcp as a library, having a Dhcp_server module, and another package with a mirage usage of this module as a functor. Basically it needs to be specialized on how to send/receive packets and read/write to disk. I'm up for suggestions. --047d7b34391ac240be051e2350f7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Wednesday, August 19, 2015, Christiano F. Haesbaert <haesbaert@haesbaert.org> wrote:<= br>
On 18 August 2015 at 11:15, Magnus Skjegs= tad <magnus@v0.no> wrote:
> On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote:
>> > * Pass the configuration to the VM somehow, I think I read on= the
>> > key/value module that converts the file into an ml file, that= would be
>> > ok.
>>
>> I need to look up the latest on this, but the OS.Env module should=
>> do key/value maps via the unikernel command line.=C2=A0 Thomas/Mag= nus,
>> what did you end up deciding to use in Jitsu for unikernel arg par= sing?
>
> I still use mirage-bootvar-xen [0] to pass parameters via the "ex= tra"
> option in libxl (or cmdline in libvirt). Eventually it would be great = to
> be able to use OS.Env + Cmdliner, but it hasn't been implemented y= et for
> Xen [1] :-)
>
>
> 0. https://github.com/mirage/mirage-bootvar-xen
> 1. https://github.com/mirage/mirage-platform/b= lob/master/xen/lib/env.ml

After converting, I guess there won't be any parameters except
verbosity to be passed (not considering the interfaces), but I do need
to pass the configuration file somehow.
Since I'm still not saving the lease database to disk, which I do
intend to do with irmin, the only thing I'd need is passing this
configuration file.

So I released rawlink on opam and hdhcp sh= ould work now.

I had started to convert the code t= o mirage and I have some questions.

How exactly sh= ould the distribution be ? Should I release a package in opam that exports = a "dhcp server module" ? Should I include something like a uniker= nel config.ml skeleton and friends ? Shoul= d it be included inside an existing mirage library ?

My idea so far was to release hdhcp as a library, having a Dhcp_server m= odule, and another package with a mirage usage of this module as a functor.= Basically it needs to be specialized on how to send/receive packets and re= ad/write to disk.

I'm up for sugg= estions.
--047d7b34391ac240be051e2350f7-- --===============1201351501640523936== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1201351501640523936==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 14:12:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 14:12:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUEx8-00025r-IF; Tue, 25 Aug 2015 14:11:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUEx7-00025m-H9 for mirageos-devel@lists.xenproject.org; Tue, 25 Aug 2015 14:11:53 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 30/5A-31069-8A77CD55; Tue, 25 Aug 2015 14:11:52 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1440511911!37942223!1 X-Originating-IP: [209.85.215.50] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25150 invoked from network); 25 Aug 2015 14:11:51 -0000 Received: from mail-la0-f50.google.com (HELO mail-la0-f50.google.com) (209.85.215.50) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 14:11:51 -0000 Received: by laba3 with SMTP id a3so99192341lab.1 for ; Tue, 25 Aug 2015 07:11:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=KsQ2yWnPVbN2lPoVegHHpV5KKpQeojzMF4otUiQmvzw=; b=DTnYeSPZ5qIWNKEbYxuYAhWSQRx0fYSW0mNH+cGLBndlLeYthfUkED+3hLzVsfAG1H ZJAqSCSIRZ8be8rksBuaJ9hGu9flP2am+EDJ92vpejS68ncBSkPdguK+fV4douh1aRCf uYXh4BUv9VAdDzT6uV5aVywcz73hjkQVdKvtqYSMmYeo6yC2dyfy48JZa/ijsNOtcAP9 h00qgmg7yQ5QSc4eiqsE8HxJqI165+rLOR6z9zIY1X+XVTSok+BQ7I9WsKHiwhMeZmFC KU5Ii5X6IM4sHBAYBoUF0JUMHBcHt0+/MNGExSlSMoNxd3VYQ9R6suhlsYJG0/8KCRO4 76Iw== MIME-Version: 1.0 X-Received: by 10.112.147.201 with SMTP id tm9mr25637512lbb.40.1440511911147; Tue, 25 Aug 2015 07:11:51 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Tue, 25 Aug 2015 07:11:51 -0700 (PDT) In-Reply-To: References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> Date: Tue, 25 Aug 2015 16:11:51 +0200 X-Google-Sender-Auth: 0KNe-K_sY7tL5RHnTa5VxBtAFNM Message-ID: From: "Christiano F. Haesbaert" To: Magnus Skjegstad Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1201351501640523936==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1201351501640523936== Content-Type: multipart/alternative; boundary=047d7b34391ac240be051e2350f7 --047d7b34391ac240be051e2350f7 Content-Type: text/plain; charset=UTF-8 On Wednesday, August 19, 2015, Christiano F. Haesbaert < haesbaert@haesbaert.org> wrote: > On 18 August 2015 at 11:15, Magnus Skjegstad > > wrote: > > On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote: > >> > * Pass the configuration to the VM somehow, I think I read on the > >> > key/value module that converts the file into an ml file, that would be > >> > ok. > >> > >> I need to look up the latest on this, but the OS.Env module should > >> do key/value maps via the unikernel command line. Thomas/Magnus, > >> what did you end up deciding to use in Jitsu for unikernel arg parsing? > > > > I still use mirage-bootvar-xen [0] to pass parameters via the "extra" > > option in libxl (or cmdline in libvirt). Eventually it would be great to > > be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for > > Xen [1] :-) > > > > > > 0. https://github.com/mirage/mirage-bootvar-xen > > 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml > > After converting, I guess there won't be any parameters except > verbosity to be passed (not considering the interfaces), but I do need > to pass the configuration file somehow. > Since I'm still not saving the lease database to disk, which I do > intend to do with irmin, the only thing I'd need is passing this > configuration file. > So I released rawlink on opam and hdhcp should work now. I had started to convert the code to mirage and I have some questions. How exactly should the distribution be ? Should I release a package in opam that exports a "dhcp server module" ? Should I include something like a unikernel config.ml skeleton and friends ? Should it be included inside an existing mirage library ? My idea so far was to release hdhcp as a library, having a Dhcp_server module, and another package with a mirage usage of this module as a functor. Basically it needs to be specialized on how to send/receive packets and read/write to disk. I'm up for suggestions. --047d7b34391ac240be051e2350f7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Wednesday, August 19, 2015, Christiano F. Haesbaert <haesbaert@haesbaert.org> wrote:<= br>
On 18 August 2015 at 11:15, Magnus Skjegs= tad <magnus@v0.no> wrote:
> On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote:
>> > * Pass the configuration to the VM somehow, I think I read on= the
>> > key/value module that converts the file into an ml file, that= would be
>> > ok.
>>
>> I need to look up the latest on this, but the OS.Env module should=
>> do key/value maps via the unikernel command line.=C2=A0 Thomas/Mag= nus,
>> what did you end up deciding to use in Jitsu for unikernel arg par= sing?
>
> I still use mirage-bootvar-xen [0] to pass parameters via the "ex= tra"
> option in libxl (or cmdline in libvirt). Eventually it would be great = to
> be able to use OS.Env + Cmdliner, but it hasn't been implemented y= et for
> Xen [1] :-)
>
>
> 0. https://github.com/mirage/mirage-bootvar-xen
> 1. https://github.com/mirage/mirage-platform/b= lob/master/xen/lib/env.ml

After converting, I guess there won't be any parameters except
verbosity to be passed (not considering the interfaces), but I do need
to pass the configuration file somehow.
Since I'm still not saving the lease database to disk, which I do
intend to do with irmin, the only thing I'd need is passing this
configuration file.

So I released rawlink on opam and hdhcp sh= ould work now.

I had started to convert the code t= o mirage and I have some questions.

How exactly sh= ould the distribution be ? Should I release a package in opam that exports = a "dhcp server module" ? Should I include something like a uniker= nel config.ml skeleton and friends ? Shoul= d it be included inside an existing mirage library ?

My idea so far was to release hdhcp as a library, having a Dhcp_server m= odule, and another package with a mirage usage of this module as a functor.= Basically it needs to be specialized on how to send/receive packets and re= ad/write to disk.

I'm up for sugg= estions.
--047d7b34391ac240be051e2350f7-- --===============1201351501640523936== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1201351501640523936==-- From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 15:45:03 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 15:45:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUGP9-0006pX-KM; Tue, 25 Aug 2015 15:44:55 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUGP8-0006pQ-GW for mirageos-devel@lists.xenproject.org; Tue, 25 Aug 2015 15:44:54 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id 2D/75-25435-57D8CD55; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 15:05, Thomas Leonard wrote: > On 10 August 2015 at 13:51, Thomas Gazagnaire wrote: >> Hi all, >> >> There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. [...] >> 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. > > No surprise that I agree with this ;-) > > Another reason to make an explicit Repository.t: Irmin currently makes > some "global" state when you apply the functors. For example, I have > to re-apply the Irmin.Basic functor to Irmin_mem.Make every time I > want a fresh in-memory store. Having a Repository.t lets you do the > set up operations for a repository once, not once per branch (too > often) or once per functor application (surprising hidden state). Another reason for an explicit Repository.t is that for database-backed stores you only want to open one database connection per repository. Currently, when you do Store.create/of_tag/of_head, BC creates the internal Contents, Node, Commit and Tag stores, each of which opens a separate connection. Is there any way with the current API I can share this? Currently, I'm thinking of creating a hash table that maps database names to connections and caching them there, but that's quite ugly. It's a particular issue at the moment because I want Irmin-IndexedDB to test for an old Irmin-format repository and upgrade it to Git-format automatically, but there's no obvious place to do the test. I guess I could have Contents notice the upgrade is needed and update the Tags table at the same time, but that's messy too. (also, a "Repository.close" function would be nice) -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 16:10:31 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 16:10:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUGns-0000i5-A2; Tue, 25 Aug 2015 16:10:28 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUGnr-0000i0-Ba for mirageos-devel@lists.xenproject.org; Tue, 25 Aug 2015 16:10:27 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id D7/65-00475-2739CD55; Tue, 25 Aug 2015 16:10:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1440519025!32446314!1 X-Originating-IP: [209.85.213.50] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8952 invoked from network); 25 Aug 2015 16:10:25 -0000 Received: from mail-vk0-f50.google.com (HELO mail-vk0-f50.google.com) (209.85.213.50) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 16:10:25 -0000 Received: by vkm66 with SMTP id 66so75605028vkm.1 for ; Tue, 25 Aug 2015 09:10:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=xv8/e/W1vCtRxfwNeQPvryXgHf4JQx4BR/fM5w5s7PA=; b=hPbxfGYZpCzEZ5EQeLN8bgvtzrZs4dbjZ1iDkeTI7hoNJSS7nyxVLyL8SSfmLDz6ya jMfMBcVajHKWdB/IjFvb4EjRMdwn6wRucJKwTSQetP19c/tL1lYsKxabm6n3CiOqYfp6 nrV7L5ucIIN9y3QDbfMqymUWy/L3uAo3EqqnSQOBCuEZulKNuVpTYpV2ltLt/2NDq2Pu 7j6M2tcZJZ6r7P3itr7SFIvXLWUlfPibnwrD2xfSpL3gClt6vzHcKow2MsLSG19I+5bk WVx9cpN5WRquIoSg0nhmVc/JxPElAgKMlJSCxTqgy+GRuBrhGfOIF6si4fxkujwniLa1 v0FA== MIME-Version: 1.0 X-Received: by 10.52.119.133 with SMTP id ku5mr37635331vdb.16.1440519024732; Tue, 25 Aug 2015 09:10:24 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Tue, 25 Aug 2015 09:10:24 -0700 (PDT) In-Reply-To: References: Date: Tue, 25 Aug 2015 17:10:24 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 August 2015 at 15:05, Thomas Leonard wrote: > On 10 August 2015 at 13:51, Thomas Gazagnaire wrote: >> Hi all, >> >> There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. [...] >> 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. > > No surprise that I agree with this ;-) > > Another reason to make an explicit Repository.t: Irmin currently makes > some "global" state when you apply the functors. For example, I have > to re-apply the Irmin.Basic functor to Irmin_mem.Make every time I > want a fresh in-memory store. Having a Repository.t lets you do the > set up operations for a repository once, not once per branch (too > often) or once per functor application (surprising hidden state). Another reason for an explicit Repository.t is that for database-backed stores you only want to open one database connection per repository. Currently, when you do Store.create/of_tag/of_head, BC creates the internal Contents, Node, Commit and Tag stores, each of which opens a separate connection. Is there any way with the current API I can share this? Currently, I'm thinking of creating a hash table that maps database names to connections and caching them there, but that's quite ugly. It's a particular issue at the moment because I want Irmin-IndexedDB to test for an old Irmin-format repository and upgrade it to Git-format automatically, but there's no obvious place to do the test. I guess I could have Contents notice the upgrade is needed and update the Tags table at the same time, but that's messy too. (also, a "Repository.close" function would be nice) -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 17:37:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 17:37:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUIAA-0005LT-DF; Tue, 25 Aug 2015 17:37:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUIA8-0005L2-GT; Tue, 25 Aug 2015 17:37:32 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id AE/D4-19110-BD7ACD55; Tue, 25 Aug 2015 17:37:31 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1440524249!43901016!1 X-Originating-IP: [209.85.192.68] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19980 invoked from network); 25 Aug 2015 17:37:30 -0000 Received: from mail-qg0-f68.google.com (HELO mail-qg0-f68.google.com) (209.85.192.68) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 17:37:30 -0000 Received: by qgeb6 with SMTP id b6so11175976qge.2; Tue, 25 Aug 2015 10:37:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=S30NGKO8oBRfUGOWtXOvE2NS1KdpKqQaP4BJ/UNJYHc=; b=Pd5yh2p59pQ5FPp6Hw14+8dRNHWBDKuTSnQJ/9L34qKmQb7V48FN652pDTdKlZZi9G gLlJi9f+LIRMHllc9u1Un/WCVNO12wVtbs4qZNI7rDg6ni77+BTmJoV3/jqZtWygAMiq r5r8N3qk3D1BJSJtWBEvFRaspkIhd+SHh+dO3TdjzTx3ofQWggxxdAvRXkkTx7u34Tmq noS+bgrii1zw0pzi02Q92phBBMX3EcEI8GPpZSu0sEk9rRl7y7i/eNByiYDbGGll9qRP VbaIVShAW4YGIyJi1qj/lhHpav60tOMI25MgrRnDbX+U8g+eDjB9rAP6ga2eLPggh9su 2sKg== MIME-Version: 1.0 X-Received: by 10.140.236.214 with SMTP id h205mr68390264qhc.7.1440524249629; Tue, 25 Aug 2015 10:37:29 -0700 (PDT) Received: by 10.55.2.8 with HTTP; Tue, 25 Aug 2015 10:37:29 -0700 (PDT) In-Reply-To: References: Date: Tue, 25 Aug 2015 13:37:29 -0400 X-Google-Sender-Auth: T8QuV30gvBRnRb_Di2h8MowIagE Message-ID: From: Russ Pavlicek To: Russ Pavlicek Cc: xen-api@lists.xen.org, "xen-users@lists.xen.org" , xs-devel@lists.xenserver.org, mirageos-devel@lists.xenproject.org, xen-devel Subject: Re: [MirageOS-devel] Document Day this Wednesday, Aug 26 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Remember: Document Day is tomorrow! Have you signed up to be a Wiki editor yet? Have you looked at the TODO list to see if there is something there you can address? Please join us tomorrow on #xendocs. On Fri, Aug 21, 2015 at 8:08 AM, Russ Pavlicek wrote: > Our next Xen Project Document Day is this Wednesday, August 26! > > Our THEME OF THE MONTH: "User Requests" > > This month, we will focus on requests which have appeared in our IRC > channel and UserVoice for additional documentation. Recent requests > include the following: > > - Development Documentation: An overview of the driver architecture. > This may already exist, but it needs to be more prominently visible. > If it's out there, it is not as easy to find as it should be. > - User Documentation: Simple example of moving a VM from one machine > to another offline and possibly changing toolsets as it goes. > - User Documentation: Update to the Xen_Windows_GplPv doc. The drivers > are still used, but the information on the page is dated. It needs a > refresh. > - User Documentation: Build a NEW HOW-TO describing how to create a > Xen 4.5.1 AMD64 environment. This should include sub-HOWTOs for > networking and DomU creation. > > More detailed information can be found in the TODO document (below). > And, as always, feel free to add any other documentation which you > believe to be necessary. > > All the information you need to participate in Document Day is here: > > http://wiki.xenproject.org/wiki/Xen_Document_Days > > Also take a look at the current TODO list to see other items which > need attention: > > http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO > > Please think about how you can help out. If you haven't requested > to be made a Wiki editor, save time and do it now so you are ready to > go on Document Day. Just fill out the form below: > > http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html > > We hope to see you Wednesday in #xendocs! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Aug 25 17:37:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 25 Aug 2015 17:37:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUIAA-0005LT-DF; Tue, 25 Aug 2015 17:37:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUIA8-0005L2-GT; Tue, 25 Aug 2015 17:37:32 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id AE/D4-19110-BD7ACD55; Tue, 25 Aug 2015 17:37:31 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1440524249!43901016!1 X-Originating-IP: [209.85.192.68] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19980 invoked from network); 25 Aug 2015 17:37:30 -0000 Received: from mail-qg0-f68.google.com (HELO mail-qg0-f68.google.com) (209.85.192.68) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 25 Aug 2015 17:37:30 -0000 Received: by qgeb6 with SMTP id b6so11175976qge.2; Tue, 25 Aug 2015 10:37:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=S30NGKO8oBRfUGOWtXOvE2NS1KdpKqQaP4BJ/UNJYHc=; b=Pd5yh2p59pQ5FPp6Hw14+8dRNHWBDKuTSnQJ/9L34qKmQb7V48FN652pDTdKlZZi9G gLlJi9f+LIRMHllc9u1Un/WCVNO12wVtbs4qZNI7rDg6ni77+BTmJoV3/jqZtWygAMiq r5r8N3qk3D1BJSJtWBEvFRaspkIhd+SHh+dO3TdjzTx3ofQWggxxdAvRXkkTx7u34Tmq noS+bgrii1zw0pzi02Q92phBBMX3EcEI8GPpZSu0sEk9rRl7y7i/eNByiYDbGGll9qRP VbaIVShAW4YGIyJi1qj/lhHpav60tOMI25MgrRnDbX+U8g+eDjB9rAP6ga2eLPggh9su 2sKg== MIME-Version: 1.0 X-Received: by 10.140.236.214 with SMTP id h205mr68390264qhc.7.1440524249629; Tue, 25 Aug 2015 10:37:29 -0700 (PDT) Received: by 10.55.2.8 with HTTP; Tue, 25 Aug 2015 10:37:29 -0700 (PDT) In-Reply-To: References: Date: Tue, 25 Aug 2015 13:37:29 -0400 X-Google-Sender-Auth: T8QuV30gvBRnRb_Di2h8MowIagE Message-ID: From: Russ Pavlicek To: Russ Pavlicek Cc: xen-api@lists.xen.org, "xen-users@lists.xen.org" , xs-devel@lists.xenserver.org, mirageos-devel@lists.xenproject.org, xen-devel Subject: Re: [MirageOS-devel] Document Day this Wednesday, Aug 26 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Remember: Document Day is tomorrow! Have you signed up to be a Wiki editor yet? Have you looked at the TODO list to see if there is something there you can address? Please join us tomorrow on #xendocs. On Fri, Aug 21, 2015 at 8:08 AM, Russ Pavlicek wrote: > Our next Xen Project Document Day is this Wednesday, August 26! > > Our THEME OF THE MONTH: "User Requests" > > This month, we will focus on requests which have appeared in our IRC > channel and UserVoice for additional documentation. Recent requests > include the following: > > - Development Documentation: An overview of the driver architecture. > This may already exist, but it needs to be more prominently visible. > If it's out there, it is not as easy to find as it should be. > - User Documentation: Simple example of moving a VM from one machine > to another offline and possibly changing toolsets as it goes. > - User Documentation: Update to the Xen_Windows_GplPv doc. The drivers > are still used, but the information on the page is dated. It needs a > refresh. > - User Documentation: Build a NEW HOW-TO describing how to create a > Xen 4.5.1 AMD64 environment. This should include sub-HOWTOs for > networking and DomU creation. > > More detailed information can be found in the TODO document (below). > And, as always, feel free to add any other documentation which you > believe to be necessary. > > All the information you need to participate in Document Day is here: > > http://wiki.xenproject.org/wiki/Xen_Document_Days > > Also take a look at the current TODO list to see other items which > need attention: > > http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO > > Please think about how you can help out. If you haven't requested > to be made a Wiki editor, save time and do it now so you are ready to > go on Document Day. Just fill out the form below: > > http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html > > We hope to see you Wednesday in #xendocs! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 04:30:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 04:30:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUSMA-0000RP-Gr; Wed, 26 Aug 2015 04:30:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUSM8-0000RK-QQ for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 04:30:36 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 76/80-03763-CE04DD55; Wed, 26 Aug 2015 04:30:36 +0000 X-Env-Sender: g@rre.tt X-Msg-Ref: server-6.tower-31.messagelabs.com!1440563434!33727105!1 X-Originating-IP: [209.85.220.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15065 invoked from network); 26 Aug 2015 04:30:35 -0000 Received: from mail-qk0-f172.google.com (HELO mail-qk0-f172.google.com) (209.85.220.172) by server-6.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 04:30:35 -0000 Received: by qkbm65 with SMTP id m65so112912761qkb.2 for ; Tue, 25 Aug 2015 21:30:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to :content-type; bh=IPNRaELwA1msSmG9OCEJ+3o8vrqXkAGPjiicnmGmf00=; b=kNTRYmd2fYZJe7VfQrDhO5Bu8PCmTNk5iJJN3AFQ5AnxOzxYXalVhRsH4KOs11gzyY pBJ7VCPm7/8spwmuGH8+WOpVMBoTqYvXihCLhbYydPSgoGCQRtXd49U6/8Lw7oBRe/ZS 0WaGCxqiSqsREtU/HJsY+loIZQyPhq7xT9s3IJTEqeBGi+A6QKl6LE0SpwX1gb663wOr f0vxDOEAg7w4HdH6FKwqECoWXHgzbr6zQ4T4+bGpNEKkQRaB8GA9B/LWg72Q4MwE6PyF ZhQ1wCnRK8Jh/e2fX2wnxMBI4pOjv1FED+qTUcA1XT6caeAo5M5gp2/c1AO0HZXgd5Vk 3+jg== X-Gm-Message-State: ALoCoQlyQy0ZX6x3dn92FHtGcXKgaXbBiPux/CT9JeBbSWZ3dK3EJhLqXANu8OuXjegqmoLPajIO X-Received: by 10.55.55.82 with SMTP id e79mr74112688qka.100.1440563434602; Tue, 25 Aug 2015 21:30:34 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.3.8 with HTTP; Tue, 25 Aug 2015 21:30:15 -0700 (PDT) From: Garrett Smith Date: Tue, 25 Aug 2015 23:30:15 -0500 Message-ID: To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I'm working on a presentation where I'd like to showcase a unikernel - so I'm in the market for one of those sweet SBCs [1] What's the recommended hardware platform for path-of-least-resistance with Mirage? I'd like to keep it under $US100. For US customers, is there a recommended source? [1] I just want to get one, using Mirage as cover _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 04:30:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 04:30:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUSMA-0000RP-Gr; Wed, 26 Aug 2015 04:30:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUSM8-0000RK-QQ for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 04:30:36 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 76/80-03763-CE04DD55; Wed, 26 Aug 2015 04:30:36 +0000 X-Env-Sender: g@rre.tt X-Msg-Ref: server-6.tower-31.messagelabs.com!1440563434!33727105!1 X-Originating-IP: [209.85.220.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15065 invoked from network); 26 Aug 2015 04:30:35 -0000 Received: from mail-qk0-f172.google.com (HELO mail-qk0-f172.google.com) (209.85.220.172) by server-6.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 04:30:35 -0000 Received: by qkbm65 with SMTP id m65so112912761qkb.2 for ; Tue, 25 Aug 2015 21:30:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to :content-type; bh=IPNRaELwA1msSmG9OCEJ+3o8vrqXkAGPjiicnmGmf00=; b=kNTRYmd2fYZJe7VfQrDhO5Bu8PCmTNk5iJJN3AFQ5AnxOzxYXalVhRsH4KOs11gzyY pBJ7VCPm7/8spwmuGH8+WOpVMBoTqYvXihCLhbYydPSgoGCQRtXd49U6/8Lw7oBRe/ZS 0WaGCxqiSqsREtU/HJsY+loIZQyPhq7xT9s3IJTEqeBGi+A6QKl6LE0SpwX1gb663wOr f0vxDOEAg7w4HdH6FKwqECoWXHgzbr6zQ4T4+bGpNEKkQRaB8GA9B/LWg72Q4MwE6PyF ZhQ1wCnRK8Jh/e2fX2wnxMBI4pOjv1FED+qTUcA1XT6caeAo5M5gp2/c1AO0HZXgd5Vk 3+jg== X-Gm-Message-State: ALoCoQlyQy0ZX6x3dn92FHtGcXKgaXbBiPux/CT9JeBbSWZ3dK3EJhLqXANu8OuXjegqmoLPajIO X-Received: by 10.55.55.82 with SMTP id e79mr74112688qka.100.1440563434602; Tue, 25 Aug 2015 21:30:34 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.3.8 with HTTP; Tue, 25 Aug 2015 21:30:15 -0700 (PDT) From: Garrett Smith Date: Tue, 25 Aug 2015 23:30:15 -0500 Message-ID: To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I'm working on a presentation where I'd like to showcase a unikernel - so I'm in the market for one of those sweet SBCs [1] What's the recommended hardware platform for path-of-least-resistance with Mirage? I'd like to keep it under $US100. For US customers, is there a recommended source? [1] I just want to get one, using Mirage as cover _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 05:45:03 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 05:45:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUTW2-0003oO-VS; Wed, 26 Aug 2015 05:44:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUTW1-0003oJ-Jr for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 05:44:53 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id F7/86-10422-4525DD55; Wed, 26 Aug 2015 05:44:52 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1440567891!30532528!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18399 invoked from network); 26 Aug 2015 05:44:52 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 05:44:52 -0000 Received: by wicne3 with SMTP id ne3so33624326wic.0 for ; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=52iYh7+cqAHXZ+InUcOeyyIVuwWqU5NZjgHmsVaSlEI=; b=AQSYsQsqJr7lqidvlZrkMDB+3vSjrDETNcra/W++vPi+SiNmcDmG9X0TkG4Clp5RFi jk5DZ9CjYI3KRCALQpYhnlM41ZDIMIVYV+iSprcVWTNZfKVB/yFVhtoRg1VOsIUk+Yb9 diKXYeUodh9zKF+v1hQSm6ErDtO7aCTItBjQr35aeJCpPQvuzc8P8PtKigfn8/oTOi4e p6xSNmwANzJZUr0WHS8GuF8xJtJhaUa+onSf00WOMmzMHs4x4MWiW7fkzsK9vVAwzvTR NVXqD3d8dwkQtpule6Uj4k+yTykE0A1s2+10x+yq8iODSRqQhczp5mnCvvPNK+IntZOL 4Qgg== MIME-Version: 1.0 X-Received: by 10.194.123.4 with SMTP id lw4mr54212075wjb.94.1440567891585; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) Received: by 10.28.130.21 with HTTP; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) Received: by 10.28.130.21 with HTTP; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) In-Reply-To: References: Date: Wed, 26 Aug 2015 06:44:51 +0100 X-Google-Sender-Auth: pJu-zx1qZmjycM19PZh85IUG1v0 Message-ID: From: Richard Mortier To: Garrett Smith Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6938498105570183528==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6938498105570183528== Content-Type: multipart/alternative; boundary=089e01227ee073f20a051e3059ef --089e01227ee073f20a051e3059ef Content-Type: text/plain; charset=UTF-8 The most commonly used platform afaik is the cubieboard2, though cubieboard3 (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 yet. Can't help with US supplier I'm afraid! On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: > I'm working on a presentation where I'd like to showcase a unikernel - > so I'm in the market for one of those sweet SBCs [1] > > What's the recommended hardware platform for path-of-least-resistance > with Mirage? I'd like to keep it under $US100. > > For US customers, is there a recommended source? > > [1] I just want to get one, using Mirage as cover > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --089e01227ee073f20a051e3059ef Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

The most commonly used platform afaik is the cubieboard2, th= ough cubieboard3 (aka cubietruck) is also known to work fine (albeit using = WiFi USB dongle rather then the on-board WiFi). I don't think anyone= 9;s tried the cubieboard4 yet.

Can't help with US supplier I'm afraid!

On 26 Aug 2015 5:32 am, "Garrett Smith"= ; <g@rre.tt> wrote:
I'm working on a presentation whe= re I'd like to showcase a unikernel -
so I'm in the market for one of those sweet SBCs [1]

What's the recommended hardware platform for path-of-least-resistance with Mirage? I'd like to keep it under $US100.

For US customers, is there a recommended source?

[1] I just want to get one, using Mirage as cover

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel
--089e01227ee073f20a051e3059ef-- --===============6938498105570183528== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6938498105570183528==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 05:45:03 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 05:45:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUTW2-0003oO-VS; Wed, 26 Aug 2015 05:44:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUTW1-0003oJ-Jr for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 05:44:53 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id F7/86-10422-4525DD55; Wed, 26 Aug 2015 05:44:52 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1440567891!30532528!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18399 invoked from network); 26 Aug 2015 05:44:52 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 05:44:52 -0000 Received: by wicne3 with SMTP id ne3so33624326wic.0 for ; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=52iYh7+cqAHXZ+InUcOeyyIVuwWqU5NZjgHmsVaSlEI=; b=AQSYsQsqJr7lqidvlZrkMDB+3vSjrDETNcra/W++vPi+SiNmcDmG9X0TkG4Clp5RFi jk5DZ9CjYI3KRCALQpYhnlM41ZDIMIVYV+iSprcVWTNZfKVB/yFVhtoRg1VOsIUk+Yb9 diKXYeUodh9zKF+v1hQSm6ErDtO7aCTItBjQr35aeJCpPQvuzc8P8PtKigfn8/oTOi4e p6xSNmwANzJZUr0WHS8GuF8xJtJhaUa+onSf00WOMmzMHs4x4MWiW7fkzsK9vVAwzvTR NVXqD3d8dwkQtpule6Uj4k+yTykE0A1s2+10x+yq8iODSRqQhczp5mnCvvPNK+IntZOL 4Qgg== MIME-Version: 1.0 X-Received: by 10.194.123.4 with SMTP id lw4mr54212075wjb.94.1440567891585; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) Received: by 10.28.130.21 with HTTP; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) Received: by 10.28.130.21 with HTTP; Tue, 25 Aug 2015 22:44:51 -0700 (PDT) In-Reply-To: References: Date: Wed, 26 Aug 2015 06:44:51 +0100 X-Google-Sender-Auth: pJu-zx1qZmjycM19PZh85IUG1v0 Message-ID: From: Richard Mortier To: Garrett Smith Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6938498105570183528==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6938498105570183528== Content-Type: multipart/alternative; boundary=089e01227ee073f20a051e3059ef --089e01227ee073f20a051e3059ef Content-Type: text/plain; charset=UTF-8 The most commonly used platform afaik is the cubieboard2, though cubieboard3 (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 yet. Can't help with US supplier I'm afraid! On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: > I'm working on a presentation where I'd like to showcase a unikernel - > so I'm in the market for one of those sweet SBCs [1] > > What's the recommended hardware platform for path-of-least-resistance > with Mirage? I'd like to keep it under $US100. > > For US customers, is there a recommended source? > > [1] I just want to get one, using Mirage as cover > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --089e01227ee073f20a051e3059ef Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

The most commonly used platform afaik is the cubieboard2, th= ough cubieboard3 (aka cubietruck) is also known to work fine (albeit using = WiFi USB dongle rather then the on-board WiFi). I don't think anyone= 9;s tried the cubieboard4 yet.

Can't help with US supplier I'm afraid!

On 26 Aug 2015 5:32 am, "Garrett Smith"= ; <g@rre.tt> wrote:
I'm working on a presentation whe= re I'd like to showcase a unikernel -
so I'm in the market for one of those sweet SBCs [1]

What's the recommended hardware platform for path-of-least-resistance with Mirage? I'd like to keep it under $US100.

For US customers, is there a recommended source?

[1] I just want to get one, using Mirage as cover

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel
--089e01227ee073f20a051e3059ef-- --===============6938498105570183528== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6938498105570183528==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 09:25:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 09:25:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUWxF-0008Fu-Ri; Wed, 26 Aug 2015 09:25:13 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUWxE-0008Fp-Ia for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 09:25:12 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 92/38-06179-7F58DD55; Wed, 26 Aug 2015 09:25:11 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-206.messagelabs.com!1440581110!30576657!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.8 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20223 invoked from network); 26 Aug 2015 09:25:10 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-13.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 09:25:10 -0000 Received: from [192.168.1.82] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 8d845094 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 10:25:09 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 10:25:08 +0100 Message-Id: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> References: To: Richard Mortier X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4435252785559257324==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4435252785559257324== Content-Type: multipart/alternative; boundary="Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD" --Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that = the onboard graphics HDMI driver doesn't work under Xen, or else it = would be possible to just present directly from the embedded device via = HDMI. I suspect it's just a minor patch to Xen to permit some memory = mapped addresses to be passed through to dom0, but haven't had a chance = to look yet -- this would be a good pioneer project :-) http://cubieboard.org/buy/ has a bunch of = US suppliers. -a > On 26 Aug 2015, at 06:44, Richard Mortier wrote: >=20 > The most commonly used platform afaik is the cubieboard2, though = cubieboard3 (aka cubietruck) is also known to work fine (albeit using = WiFi USB dongle rather then the on-board WiFi). I don't think anyone's = tried the cubieboard4 yet. >=20 > Can't help with US supplier I'm afraid! >=20 > On 26 Aug 2015 5:32 am, "Garrett Smith" > = wrote: > I'm working on a presentation where I'd like to showcase a unikernel - > so I'm in the market for one of those sweet SBCs [1] >=20 > What's the recommended hardware platform for path-of-least-resistance > with Mirage? I'd like to keep it under $US100. >=20 > For US customers, is there a recommended source? >=20 > [1] I just want to get one, using Mirage as cover >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org = > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Definitely recommend the Cubieboard2 or Cubietruck.  One = hitch is that the onboard graphics HDMI driver doesn't work under Xen, = or else it would be possible to just present directly from the embedded = device via HDMI.  I suspect it's just a minor patch to Xen to = permit some memory mapped addresses to be passed through to dom0, but = haven't had a chance to look yet -- this would be a good pioneer project = :-)

http://cubieboard.org/buy/ has a bunch of US = suppliers.

-a

On 26 Aug 2015, at 06:44, = Richard Mortier <mort@cantab.net> wrote:

The most commonly used platform afaik is the cubieboard2, = though cubieboard3 (aka cubietruck) is also known to work fine (albeit = using WiFi USB dongle rather then the on-board WiFi). I don't think = anyone's tried the cubieboard4 yet.

Can't = help with US supplier I'm afraid!

On 26 Aug 2015 5:32 am, "Garrett Smith" = <g@rre.tt> wrote:
I'm working on a presentation where I'd like to = showcase a unikernel -
so I'm in the market for one of those sweet SBCs [1]

What's the recommended hardware platform for path-of-least-resistance
with Mirage? I'd like to keep it under $US100.

For US customers, is there a recommended source?

[1] I just want to get one, using Mirage as cover

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

= --Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD-- --===============4435252785559257324== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4435252785559257324==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 09:25:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 09:25:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUWxF-0008Fu-Ri; Wed, 26 Aug 2015 09:25:13 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUWxE-0008Fp-Ia for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 09:25:12 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 92/38-06179-7F58DD55; Wed, 26 Aug 2015 09:25:11 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-206.messagelabs.com!1440581110!30576657!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.8 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20223 invoked from network); 26 Aug 2015 09:25:10 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-13.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 09:25:10 -0000 Received: from [192.168.1.82] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 8d845094 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 10:25:09 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 10:25:08 +0100 Message-Id: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> References: To: Richard Mortier X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4435252785559257324==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4435252785559257324== Content-Type: multipart/alternative; boundary="Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD" --Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that = the onboard graphics HDMI driver doesn't work under Xen, or else it = would be possible to just present directly from the embedded device via = HDMI. I suspect it's just a minor patch to Xen to permit some memory = mapped addresses to be passed through to dom0, but haven't had a chance = to look yet -- this would be a good pioneer project :-) http://cubieboard.org/buy/ has a bunch of = US suppliers. -a > On 26 Aug 2015, at 06:44, Richard Mortier wrote: >=20 > The most commonly used platform afaik is the cubieboard2, though = cubieboard3 (aka cubietruck) is also known to work fine (albeit using = WiFi USB dongle rather then the on-board WiFi). I don't think anyone's = tried the cubieboard4 yet. >=20 > Can't help with US supplier I'm afraid! >=20 > On 26 Aug 2015 5:32 am, "Garrett Smith" > = wrote: > I'm working on a presentation where I'd like to showcase a unikernel - > so I'm in the market for one of those sweet SBCs [1] >=20 > What's the recommended hardware platform for path-of-least-resistance > with Mirage? I'd like to keep it under $US100. >=20 > For US customers, is there a recommended source? >=20 > [1] I just want to get one, using Mirage as cover >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org = > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Definitely recommend the Cubieboard2 or Cubietruck.  One = hitch is that the onboard graphics HDMI driver doesn't work under Xen, = or else it would be possible to just present directly from the embedded = device via HDMI.  I suspect it's just a minor patch to Xen to = permit some memory mapped addresses to be passed through to dom0, but = haven't had a chance to look yet -- this would be a good pioneer project = :-)

http://cubieboard.org/buy/ has a bunch of US = suppliers.

-a

On 26 Aug 2015, at 06:44, = Richard Mortier <mort@cantab.net> wrote:

The most commonly used platform afaik is the cubieboard2, = though cubieboard3 (aka cubietruck) is also known to work fine (albeit = using WiFi USB dongle rather then the on-board WiFi). I don't think = anyone's tried the cubieboard4 yet.

Can't = help with US supplier I'm afraid!

On 26 Aug 2015 5:32 am, "Garrett Smith" = <g@rre.tt> wrote:
I'm working on a presentation where I'd like to = showcase a unikernel -
so I'm in the market for one of those sweet SBCs [1]

What's the recommended hardware platform for path-of-least-resistance
with Mirage? I'd like to keep it under $US100.

For US customers, is there a recommended source?

[1] I just want to get one, using Mirage as cover

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

= --Apple-Mail=_017B59B2-CF4B-4B67-84DB-C79C5FF5A9CD-- --===============4435252785559257324== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4435252785559257324==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 13:04:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 13:04:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUaNH-0004M0-Al; Wed, 26 Aug 2015 13:04:19 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUaNF-0004Lv-Ca for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 13:04:17 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 40/4B-31069-059BDD55; Wed, 26 Aug 2015 13:04:16 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-31.messagelabs.com!1440594255!38323231!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10774 invoked from network); 26 Aug 2015 13:04:15 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 13:04:15 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 9d223e4f TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 14:04:14 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 14:04:13 +0100 Message-Id: <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2223511793860794722==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2223511793860794722== Content-Type: multipart/alternative; boundary="Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C" --Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 25 Aug 2015, at 15:11, Christiano F. Haesbaert = wrote: >=20 > After converting, I guess there won't be any parameters except > verbosity to be passed (not considering the interfaces), but I do need > to pass the configuration file somehow. > Since I'm still not saving the lease database to disk, which I do > intend to do with irmin, the only thing I'd need is passing this > configuration file. >=20 > So I released rawlink on opam and hdhcp should work now. Fantastic! The Rawlink compiles great on OSX for me. > I had started to convert the code to mirage and I have some questions. >=20 > How exactly should the distribution be ? Should I release a package in = opam that exports a "dhcp server module" ? Should I include something = like a unikernel config.ml skeleton and friends ? = Should it be included inside an existing mirage library ? Good questions all. In general, the libraries I've done are structured = like this: - a core platform independent parsing/logic library - a Lwt (or Async, or both) layer that includes concurrency and = sequencing logic. This can also include Lwt_unix, which, when combined = with cmdliner gives a nice CLI version out of the box. - a Mirage functor, so in this case it would be a Dhcp_server module. = It helps to define a "Dhcp.S" module that defines the module type for = the interface, and then use that signature when defining the functor. = See https://github.com/mirage/ocaml-cohttp/blob/master/lib/s.mli = for an = example of a module type for Cohttp. > My idea so far was to release hdhcp as a library, having a Dhcp_server = module, and another package with a mirage usage of this module as a = functor. Basically it needs to be specialized on how to send/receive = packets and read/write to disk. I think that's spot on. The functor only needs to be parameterised by = modules for which there is genuinely more than one implementation. So = for example, config file parsing doesnt need to be there as it can be = represented by a record type and supplied to the library. If you post = some patches/branch I can take a look. cheers Anil= --Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii On 25 Aug 2015, at 15:11, Christiano F. Haesbaert <haesbaert@haesbaert.org> wrote:

After converting, I guess = there won't be any parameters except
verbosity to be = passed (not considering the interfaces), but I do need
to = pass the configuration file somehow.
Since I'm still not = saving the lease database to disk, which I do
intend to do = with irmin, the only thing I'd need is passing this
configuration file.

So I released rawlink = on opam and hdhcp should work now.

Fantastic!  The Rawlink compiles great on OSX for = me.

I had started to convert the code to mirage and I have some = questions.

How exactly should the distribution be ? Should I = release a package in opam that exports a "dhcp server module" ? Should I = include something like a unikernel config.ml skeleton and friends ? = Should it be included inside an existing mirage library = ?

Good questions all. =  In general, the libraries I've done are structured like = this:

- a core platform independent = parsing/logic library
- a Lwt (or Async, or both) layer that = includes concurrency and sequencing logic.  This can also include = Lwt_unix, which, when combined with cmdliner gives a nice CLI version = out of the box.
- a Mirage functor, so in this case it would = be a Dhcp_server module.  It helps to define a "Dhcp.S" module that = defines the module type for the interface, and then use that signature = when defining the functor.  See https://github.com/mirage/ocaml-cohttp/blob/master/lib/s.mli for an example of a module type for Cohttp.

= --Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C-- --===============2223511793860794722== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2223511793860794722==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 13:04:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 13:04:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUaNH-0004M0-Al; Wed, 26 Aug 2015 13:04:19 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUaNF-0004Lv-Ca for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 13:04:17 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 40/4B-31069-059BDD55; Wed, 26 Aug 2015 13:04:16 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-31.messagelabs.com!1440594255!38323231!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10774 invoked from network); 26 Aug 2015 13:04:15 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 13:04:15 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 9d223e4f TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 14:04:14 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 14:04:13 +0100 Message-Id: <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2223511793860794722==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2223511793860794722== Content-Type: multipart/alternative; boundary="Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C" --Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 25 Aug 2015, at 15:11, Christiano F. Haesbaert = wrote: >=20 > After converting, I guess there won't be any parameters except > verbosity to be passed (not considering the interfaces), but I do need > to pass the configuration file somehow. > Since I'm still not saving the lease database to disk, which I do > intend to do with irmin, the only thing I'd need is passing this > configuration file. >=20 > So I released rawlink on opam and hdhcp should work now. Fantastic! The Rawlink compiles great on OSX for me. > I had started to convert the code to mirage and I have some questions. >=20 > How exactly should the distribution be ? Should I release a package in = opam that exports a "dhcp server module" ? Should I include something = like a unikernel config.ml skeleton and friends ? = Should it be included inside an existing mirage library ? Good questions all. In general, the libraries I've done are structured = like this: - a core platform independent parsing/logic library - a Lwt (or Async, or both) layer that includes concurrency and = sequencing logic. This can also include Lwt_unix, which, when combined = with cmdliner gives a nice CLI version out of the box. - a Mirage functor, so in this case it would be a Dhcp_server module. = It helps to define a "Dhcp.S" module that defines the module type for = the interface, and then use that signature when defining the functor. = See https://github.com/mirage/ocaml-cohttp/blob/master/lib/s.mli = for an = example of a module type for Cohttp. > My idea so far was to release hdhcp as a library, having a Dhcp_server = module, and another package with a mirage usage of this module as a = functor. Basically it needs to be specialized on how to send/receive = packets and read/write to disk. I think that's spot on. The functor only needs to be parameterised by = modules for which there is genuinely more than one implementation. So = for example, config file parsing doesnt need to be there as it can be = represented by a record type and supplied to the library. If you post = some patches/branch I can take a look. cheers Anil= --Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii On 25 Aug 2015, at 15:11, Christiano F. Haesbaert <haesbaert@haesbaert.org> wrote:

After converting, I guess = there won't be any parameters except
verbosity to be = passed (not considering the interfaces), but I do need
to = pass the configuration file somehow.
Since I'm still not = saving the lease database to disk, which I do
intend to do = with irmin, the only thing I'd need is passing this
configuration file.

So I released rawlink = on opam and hdhcp should work now.

Fantastic!  The Rawlink compiles great on OSX for = me.

I had started to convert the code to mirage and I have some = questions.

How exactly should the distribution be ? Should I = release a package in opam that exports a "dhcp server module" ? Should I = include something like a unikernel config.ml skeleton and friends ? = Should it be included inside an existing mirage library = ?

Good questions all. =  In general, the libraries I've done are structured like = this:

- a core platform independent = parsing/logic library
- a Lwt (or Async, or both) layer that = includes concurrency and sequencing logic.  This can also include = Lwt_unix, which, when combined with cmdliner gives a nice CLI version = out of the box.
- a Mirage functor, so in this case it would = be a Dhcp_server module.  It helps to define a "Dhcp.S" module that = defines the module type for the interface, and then use that signature = when defining the functor.  See https://github.com/mirage/ocaml-cohttp/blob/master/lib/s.mli for an example of a module type for Cohttp.

= --Apple-Mail=_9BEBFFAC-5CCC-4D08-81F1-3844038B3A6C-- --===============2223511793860794722== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2223511793860794722==-- From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 15:58:33 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 15:58:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUd5m-00060j-EI; Wed, 26 Aug 2015 15:58:26 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUd5k-00060e-BK for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 15:58:24 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id FE/EA-16965-E12EDD55; Wed, 26 Aug 2015 15:58:22 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1440604701!38393311!1 X-Originating-IP: [209.85.215.48] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8893 invoked from network); 26 Aug 2015 15:58:22 -0000 Received: from mail-la0-f48.google.com (HELO mail-la0-f48.google.com) (209.85.215.48) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 15:58:22 -0000 Received: by labia3 with SMTP id ia3so57998460lab.3 for ; Wed, 26 Aug 2015 08:58:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=Z2BsSBRFZ/p/P1vcLTM508bVNn8xceNTDJVNRCErkvw=; b=N4CG0Au32LP+etlWugkli0MNehVF/AJC8qHYBA8Caz4W8tGvH0b74FD7f6Q1cd/XGS 1DkAP84XbU5FdEn0fdNP4gLhX8u6SvhKgChrxtN+XsYFp+ehewXvXKRwxVDpt+2rz56v 8MeyRqsfJdcmo0/w4D16kZa0m5XrAq3w7vshhiDs31ICKlPnvPKJkVNHfNCTMFFE9mLo hk13Nwhe5eCe6VaZOyJwh7O7SYhm452t57fk9MJYbHcEeXp4TVJ/uEOGO9x6xJZXpR6F HVwnmZ6J1bdLHZgI3lrE7PeHAwBdyHrQCKNXEFoGTFtBo8WQBtlamdr6iEUF18SUI3d4 67iQ== MIME-Version: 1.0 X-Received: by 10.152.22.168 with SMTP id e8mr31195312laf.40.1440604701376; Wed, 26 Aug 2015 08:58:21 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Wed, 26 Aug 2015 08:58:21 -0700 (PDT) In-Reply-To: <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> Date: Wed, 26 Aug 2015 17:58:21 +0200 X-Google-Sender-Auth: CaBCw50CA3hptLdB_BKGrN3l2oU Message-ID: From: "Christiano F. Haesbaert" To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjYgQXVndXN0IDIwMTUgYXQgMTU6MDQsIEFuaWwgTWFkaGF2YXBlZGR5IDxhbmlsQHJlY29p bC5vcmc+IHdyb3RlOgo+IE9uIDI1IEF1ZyAyMDE1LCBhdCAxNToxMSwgQ2hyaXN0aWFubyBGLiBI YWVzYmFlcnQgPGhhZXNiYWVydEBoYWVzYmFlcnQub3JnPgo+IHdyb3RlOgo+Cj4KPj4gQWZ0ZXIg Y29udmVydGluZywgSSBndWVzcyB0aGVyZSB3b24ndCBiZSBhbnkgcGFyYW1ldGVycyBleGNlcHQK Pj4gdmVyYm9zaXR5IHRvIGJlIHBhc3NlZCAobm90IGNvbnNpZGVyaW5nIHRoZSBpbnRlcmZhY2Vz KSwgYnV0IEkgZG8gbmVlZAo+PiB0byBwYXNzIHRoZSBjb25maWd1cmF0aW9uIGZpbGUgc29tZWhv dy4KPj4gU2luY2UgSSdtIHN0aWxsIG5vdCBzYXZpbmcgdGhlIGxlYXNlIGRhdGFiYXNlIHRvIGRp c2ssIHdoaWNoIEkgZG8KPj4gaW50ZW5kIHRvIGRvIHdpdGggaXJtaW4sIHRoZSBvbmx5IHRoaW5n 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e8mr31195312laf.40.1440604701376; Wed, 26 Aug 2015 08:58:21 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Wed, 26 Aug 2015 08:58:21 -0700 (PDT) In-Reply-To: <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> Date: Wed, 26 Aug 2015 17:58:21 +0200 X-Google-Sender-Auth: CaBCw50CA3hptLdB_BKGrN3l2oU Message-ID: From: "Christiano F. Haesbaert" To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjYgQXVndXN0IDIwMTUgYXQgMTU6MDQsIEFuaWwgTWFkaGF2YXBlZGR5IDxhbmlsQHJlY29p bC5vcmc+IHdyb3RlOgo+IE9uIDI1IEF1ZyAyMDE1LCBhdCAxNToxMSwgQ2hyaXN0aWFubyBGLiBI YWVzYmFlcnQgPGhhZXNiYWVydEBoYWVzYmFlcnQub3JnPgo+IHdyb3RlOgo+Cj4KPj4gQWZ0ZXIg Y29udmVydGluZywgSSBndWVzcyB0aGVyZSB3b24ndCBiZSBhbnkgcGFyYW1ldGVycyBleGNlcHQK Pj4gdmVyYm9zaXR5IHRvIGJlIHBhc3NlZCAobm90IGNvbnNpZGVyaW5nIHRoZSBpbnRlcmZhY2Vz KSwgYnV0IEkgZG8gbmVlZAo+PiB0byBwYXNzIHRoZSBjb25maWd1cmF0aW9uIGZpbGUgc29tZWhv dy4KPj4gU2luY2UgSSdtIHN0aWxsIG5vdCBzYXZpbmcgdGhlIGxlYXNlIGRhdGFiYXNlIHRvIGRp c2ssIHdoaWNoIEkgZG8KPj4gaW50ZW5kIHRvIGRvIHdpdGggaXJtaW4sIHRoZSBvbmx5IHRoaW5n 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mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 16:19:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 16:19:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdPm-0007OH-5S; Wed, 26 Aug 2015 16:19:06 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdPk-0007OC-Pl for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 16:19:04 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 1B/1A-06021-8F6EDD55; Wed, 26 Aug 2015 16:19:04 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-31.messagelabs.com!1440605942!38279972!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26709 invoked from network); 26 Aug 2015 16:19:03 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-15.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 16:19:03 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 96de77d1 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 17:19:02 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 17:19:01 +0100 Message-Id: <3C9CA8C0-75A3-4D87-B3B1-4B0C0A16CEB5@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjYgQXVnIDIwMTUsIGF0IDE2OjU4LCBDaHJpc3RpYW5vIEYuIEhhZXNiYWVydCA8aGFlc2Jh ZXJ0QGhhZXNiYWVydC5vcmc+IHdyb3RlOgo+IAo+IEF3ZXNvbWUsIEkgdGhpbmsgSSBnZXQgaXQs IEknbGwgbmVlZCBzb21ldGhpbmcgYW5hbG9nb3VzIHRvIHRoZSBJTwo+IG1vZHVsZSBvZiBDb2h0 dHAsIHNob3VsZCBiZSBmYWlybHkgZWFzeS4KPiBBZnRlciBzb21lIG1vcmUgcmVhZGluZywgdGhl IERoY3Bfc2VydmVyIHNob3VsZCByZXF1aXJlIG9ubHkgYW4gIklPIgo+IG1vZHVsZSBhbmQgYSAi TG9nZ2VyIiBtb2R1bGUuCgpUaGF0IHNvdW5kcyBhYm91dCByaWdodC4gIFlvdXIgSU8gbW9kdWxl IGlzIGEgbGl0dGxlIGRpZmZlcmVudCBmcm9tCkNvaHR0cCdzIHNpbmNlIGl0cyBvbmx5IHNlbmRp bmcgVURQIHBhY2tldHMsIHdoZXJlYXMgQ29odHRwIChhbmQgaW5kZWVkCkNvbmR1aXQpIGFzc3Vt ZSBhIHJlbGlhYmxlIHN0cmVhbSB0cmFuc3BvcnQuICBQZXJoYXBzIGNhbGwgaXQgREFUQUdSQU0K b3Igc29tZXRoaW5nPwoKSW5jaWRlbnRhbGx5LCBpcyB0aGVyZSBhbnkgREhDUC1vdmVyLVRDUCBz dGFuZGFyZD8KCj4gQnkgdGhlIHdheSwgYWx0aG91Z2ggc3Rkb3V0IGFuZCBzdGRlcnIgd29yayBv biBNaXJhZ2UtdW5peCwgSSBhc3N1bWUKPiBpdCBpcyBvbmx5IGNhdXNlIHN0ZG91dCBhbmQgc3Rk ZXJyIGFyZSBub3QgY2xvc2VkID8KPiBJIGJlbGlldmUgdGhhdCBkb2Vzbid0IHdvcmsgb24gWGVu LCBPciBpcyBzb21laG93IHRoZSBzdGRvdXQvc3RkZXJyCj4gb3V0cHV0IGZ1bmN0aW9ucyByZWRp cmVjdGVkIHRvIHRoZSBkZWZhdWx0IENPTlNPTEUgaW5zdGFuY2UgPwo+IElmIHRoYXQgaXMgbm90 IHRoZSBjYXNlLCB0aGVuIEkgZG9uJ3QgbmVlZCB0byBmdW5jdG9yaXplIG92ZXIgYSBMb2dnZXIK PiBtb2R1bGUsIEkgZG9uJ3QgaGF2ZSBhIHhlbiBzZXR1cCB5ZXQuCgpzdGRvdXQvc3RkZXJyIHdp bGwgYWx3YXlzIGdvIHRvIHNvbWV3aGVyZSBzZW5zaWJsZSBvbiBhbGwgYmFja2VuZHMsCmJ1dCBu b3Qgc29tZXdoZXJlIGV4cGxpY2l0bHkgZGVzaWduZWQgZm9yIGxvZ2dpbmcgLS0gaXQgd2lsbCBi ZSBhIGNvbnNvbGUKZGV2aWNlLiAgSGF2aW5nIGEgTE9HR0VSIGlzIGEgZ29vZCBpZGVhIHRvIGVu c3VyZSB0aGF0IERIQ1AgZXZlbnRzCmNhbiBiZSByZWRpcmVjdGVkIHdvdWxkIGJlIGdvb2QgdG8g ZG8gZnJvbSBkYXkgMS4gIEl0IGNvdWxkIGp1c3QgYmUgYQpzaW1wbGUgcHJlcnJfZW5kbGluZSBm b3Igbm93LgoKV2UganVzdCBoYWQgdGhpcyBkaXNjdXNzaW9uIG9uIHRoZSBNaXJhZ2UgY2FsbCBh cyB3ZWxsIC0tIEknbSBib2x0aW5nCnNvbWV0aGluZyBzaW1pbGFyIG9uIHRvcCBvZiB0aGUgQ29o dHRwXypfc2VydmVycyBzbyB0aGF0IEhUVFAtbGV2ZWwKZXZlbnRzIGNhbiBiZSBzZW50IHRvIGEg YmFja2VuZCBsaWtlIGFuIEFwYWNoZS1mb3JtYXQgbG9nZmlsZSAoaWRlYWxseQpiYWNrZWQgb24g SXJtaW4pLgoKPj4gTXkgaWRlYSBzbyBmYXIgd2FzIHRvIHJlbGVhc2UgaGRoY3AgYXMgYSBsaWJy YXJ5LCBoYXZpbmcgYSBEaGNwX3NlcnZlcgo+PiBtb2R1bGUsIGFuZCBhbm90aGVyIHBhY2thZ2Ug d2l0aCBhIG1pcmFnZSB1c2FnZSBvZiB0aGlzIG1vZHVsZSBhcyBhIGZ1bmN0b3IuCj4+IEJhc2lj YWxseSBpdCBuZWVkcyB0byBiZSBzcGVjaWFsaXplZCBvbiBob3cgdG8gc2VuZC9yZWNlaXZlIHBh Y2tldHMgYW5kCj4+IHJlYWQvd3JpdGUgdG8gZGlzay4KPj4gCj4+IAo+PiBJIHRoaW5rIHRoYXQn cyBzcG90IG9uLiAgVGhlIGZ1bmN0b3Igb25seSBuZWVkcyB0byBiZSBwYXJhbWV0ZXJpc2VkIGJ5 Cj4+IG1vZHVsZXMgZm9yIHdoaWNoIHRoZXJlIGlzIGdlbnVpbmVseSBtb3JlIHRoYW4gb25lIGlt cGxlbWVudGF0aW9uLiAgU28gZm9yCj4+IGV4YW1wbGUsIGNvbmZpZyBmaWxlIHBhcnNpbmcgZG9l c250IG5lZWQgdG8gYmUgdGhlcmUgYXMgaXQgY2FuIGJlCj4+IHJlcHJlc2VudGVkIGJ5IGEgcmVj b3JkIHR5cGUgYW5kIHN1cHBsaWVkIHRvIHRoZSBsaWJyYXJ5LiAgSWYgeW91IHBvc3Qgc29tZQo+ PiBwYXRjaGVzL2JyYW5jaCBJIGNhbiB0YWtlIGEgbG9vay4KPiAKPiBHcmVhdCwgSSdtIHNodWZm bGluZyBzb21lIGNvZGUgaW4gb3JkZXIgdG8gb25seSBuZWVkIHRvIGZ1bmN0b3JpemUKPiBvdmVy IElPIGFuZCBwb3NzaWJseSBvdmVyIGEgTG9nZ2VyIG1vZHVsZS4KPiBUaGVyZSBpc24ndCBtdWNo IHN0dWZmIHRvIGRvIGFjdHVhbGx5LCB0aGUgbWFpbiBpc3N1ZSBpcyBJJ20ganVzdAo+IGdldHRp bmcgZmFtaWxpYXIgd2l0aCBtaXJhZ2Ugbm93Lgo+IAo+IEJ5IHRoZSB3YXksIEknbSBjb25zaWRl cmluZyByZW5hbWluZyB0aGUgcHJvamVjdCB0byBDaGFycnVhLCBhCj4gcmVmZXJlbmNlIHRvOiBo dHRwczovL2VuLndpa2lwZWRpYS5vcmcvd2lraS9DaGFycsO6YV9wZW9wbGUKPiAKCkEgZmluZSBu YW1lIGZvciBhIG5vbWFkaWMgcHJvdG9jb2whIDotKQoKLWEKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 16:19:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 16:19:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdPm-0007OH-5S; 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Wed, 26 Aug 2015 17:19:02 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 17:19:01 +0100 Message-Id: <3C9CA8C0-75A3-4D87-B3B1-4B0C0A16CEB5@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjYgQXVnIDIwMTUsIGF0IDE2OjU4LCBDaHJpc3RpYW5vIEYuIEhhZXNiYWVydCA8aGFlc2Jh ZXJ0QGhhZXNiYWVydC5vcmc+IHdyb3RlOgo+IAo+IEF3ZXNvbWUsIEkgdGhpbmsgSSBnZXQgaXQs IEknbGwgbmVlZCBzb21ldGhpbmcgYW5hbG9nb3VzIHRvIHRoZSBJTwo+IG1vZHVsZSBvZiBDb2h0 dHAsIHNob3VsZCBiZSBmYWlybHkgZWFzeS4KPiBBZnRlciBzb21lIG1vcmUgcmVhZGluZywgdGhl IERoY3Bfc2VydmVyIHNob3VsZCByZXF1aXJlIG9ubHkgYW4gIklPIgo+IG1vZHVsZSBhbmQgYSAi TG9nZ2VyIiBtb2R1bGUuCgpUaGF0IHNvdW5kcyBhYm91dCByaWdodC4gIFlvdXIgSU8gbW9kdWxl IGlzIGEgbGl0dGxlIGRpZmZlcmVudCBmcm9tCkNvaHR0cCdzIHNpbmNlIGl0cyBvbmx5IHNlbmRp bmcgVURQIHBhY2tldHMsIHdoZXJlYXMgQ29odHRwIChhbmQgaW5kZWVkCkNvbmR1aXQpIGFzc3Vt ZSBhIHJlbGlhYmxlIHN0cmVhbSB0cmFuc3BvcnQuICBQZXJoYXBzIGNhbGwgaXQgREFUQUdSQU0K b3Igc29tZXRoaW5nPwoKSW5jaWRlbnRhbGx5LCBpcyB0aGVyZSBhbnkgREhDUC1vdmVyLVRDUCBz dGFuZGFyZD8KCj4gQnkgdGhlIHdheSwgYWx0aG91Z2ggc3Rkb3V0IGFuZCBzdGRlcnIgd29yayBv biBNaXJhZ2UtdW5peCwgSSBhc3N1bWUKPiBpdCBpcyBvbmx5IGNhdXNlIHN0ZG91dCBhbmQgc3Rk ZXJyIGFyZSBub3QgY2xvc2VkID8KPiBJIGJlbGlldmUgdGhhdCBkb2Vzbid0IHdvcmsgb24gWGVu LCBPciBpcyBzb21laG93IHRoZSBzdGRvdXQvc3RkZXJyCj4gb3V0cHV0IGZ1bmN0aW9ucyByZWRp cmVjdGVkIHRvIHRoZSBkZWZhdWx0IENPTlNPTEUgaW5zdGFuY2UgPwo+IElmIHRoYXQgaXMgbm90 IHRoZSBjYXNlLCB0aGVuIEkgZG9uJ3QgbmVlZCB0byBmdW5jdG9yaXplIG92ZXIgYSBMb2dnZXIK PiBtb2R1bGUsIEkgZG9uJ3QgaGF2ZSBhIHhlbiBzZXR1cCB5ZXQuCgpzdGRvdXQvc3RkZXJyIHdp bGwgYWx3YXlzIGdvIHRvIHNvbWV3aGVyZSBzZW5zaWJsZSBvbiBhbGwgYmFja2VuZHMsCmJ1dCBu b3Qgc29tZXdoZXJlIGV4cGxpY2l0bHkgZGVzaWduZWQgZm9yIGxvZ2dpbmcgLS0gaXQgd2lsbCBi ZSBhIGNvbnNvbGUKZGV2aWNlLiAgSGF2aW5nIGEgTE9HR0VSIGlzIGEgZ29vZCBpZGVhIHRvIGVu c3VyZSB0aGF0IERIQ1AgZXZlbnRzCmNhbiBiZSByZWRpcmVjdGVkIHdvdWxkIGJlIGdvb2QgdG8g ZG8gZnJvbSBkYXkgMS4gIEl0IGNvdWxkIGp1c3QgYmUgYQpzaW1wbGUgcHJlcnJfZW5kbGluZSBm b3Igbm93LgoKV2UganVzdCBoYWQgdGhpcyBkaXNjdXNzaW9uIG9uIHRoZSBNaXJhZ2UgY2FsbCBh cyB3ZWxsIC0tIEknbSBib2x0aW5nCnNvbWV0aGluZyBzaW1pbGFyIG9uIHRvcCBvZiB0aGUgQ29o dHRwXypfc2VydmVycyBzbyB0aGF0IEhUVFAtbGV2ZWwKZXZlbnRzIGNhbiBiZSBzZW50IHRvIGEg YmFja2VuZCBsaWtlIGFuIEFwYWNoZS1mb3JtYXQgbG9nZmlsZSAoaWRlYWxseQpiYWNrZWQgb24g SXJtaW4pLgoKPj4gTXkgaWRlYSBzbyBmYXIgd2FzIHRvIHJlbGVhc2UgaGRoY3AgYXMgYSBsaWJy YXJ5LCBoYXZpbmcgYSBEaGNwX3NlcnZlcgo+PiBtb2R1bGUsIGFuZCBhbm90aGVyIHBhY2thZ2Ug d2l0aCBhIG1pcmFnZSB1c2FnZSBvZiB0aGlzIG1vZHVsZSBhcyBhIGZ1bmN0b3IuCj4+IEJhc2lj YWxseSBpdCBuZWVkcyB0byBiZSBzcGVjaWFsaXplZCBvbiBob3cgdG8gc2VuZC9yZWNlaXZlIHBh Y2tldHMgYW5kCj4+IHJlYWQvd3JpdGUgdG8gZGlzay4KPj4gCj4+IAo+PiBJIHRoaW5rIHRoYXQn cyBzcG90IG9uLiAgVGhlIGZ1bmN0b3Igb25seSBuZWVkcyB0byBiZSBwYXJhbWV0ZXJpc2VkIGJ5 Cj4+IG1vZHVsZXMgZm9yIHdoaWNoIHRoZXJlIGlzIGdlbnVpbmVseSBtb3JlIHRoYW4gb25lIGlt cGxlbWVudGF0aW9uLiAgU28gZm9yCj4+IGV4YW1wbGUsIGNvbmZpZyBmaWxlIHBhcnNpbmcgZG9l c250IG5lZWQgdG8gYmUgdGhlcmUgYXMgaXQgY2FuIGJlCj4+IHJlcHJlc2VudGVkIGJ5IGEgcmVj b3JkIHR5cGUgYW5kIHN1cHBsaWVkIHRvIHRoZSBsaWJyYXJ5LiAgSWYgeW91IHBvc3Qgc29tZQo+ PiBwYXRjaGVzL2JyYW5jaCBJIGNhbiB0YWtlIGEgbG9vay4KPiAKPiBHcmVhdCwgSSdtIHNodWZm bGluZyBzb21lIGNvZGUgaW4gb3JkZXIgdG8gb25seSBuZWVkIHRvIGZ1bmN0b3JpemUKPiBvdmVy IElPIGFuZCBwb3NzaWJseSBvdmVyIGEgTG9nZ2VyIG1vZHVsZS4KPiBUaGVyZSBpc24ndCBtdWNo IHN0dWZmIHRvIGRvIGFjdHVhbGx5LCB0aGUgbWFpbiBpc3N1ZSBpcyBJJ20ganVzdAo+IGdldHRp bmcgZmFtaWxpYXIgd2l0aCBtaXJhZ2Ugbm93Lgo+IAo+IEJ5IHRoZSB3YXksIEknbSBjb25zaWRl cmluZyByZW5hbWluZyB0aGUgcHJvamVjdCB0byBDaGFycnVhLCBhCj4gcmVmZXJlbmNlIHRvOiBo dHRwczovL2VuLndpa2lwZWRpYS5vcmcvd2lraS9DaGFycsO6YV9wZW9wbGUKPiAKCkEgZmluZSBu YW1lIGZvciBhIG5vbWFkaWMgcHJvdG9jb2whIDotKQoKLWEKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 16:25:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 16:25:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdW4-0007YI-2a; Wed, 26 Aug 2015 16:25:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdW3-0007YD-BR for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 16:25:35 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id 7E/00-00536-E78EDD55; Wed, 26 Aug 2015 16:25:34 +0000 X-Env-Sender: g@rre.tt X-Msg-Ref: server-2.tower-31.messagelabs.com!1440606333!38393821!1 X-Originating-IP: [209.85.220.179] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23883 invoked from network); 26 Aug 2015 16:25:33 -0000 Received: from mail-qk0-f179.google.com (HELO mail-qk0-f179.google.com) (209.85.220.179) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 16:25:33 -0000 Received: by qkbm65 with SMTP id m65so122201545qkb.2 for ; Wed, 26 Aug 2015 09:25:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=pUiN5CDmEJWQoYFwhjhxskptkOwuvJZufrrDyoGjO+U=; b=ej3U6iQpXzPaDhlBcUm5uQunJL4Hv4kvxhj1KRDbSabJRky+Z38ip+8bAMT/KE0DW0 JarIxUtJmuJf3iciKfHqbpPjmtcnQKI4RL1IhG+InI+LYgIyz9REBmjKebYfcwMQ2DiB ykdp6TnM8I5CvfURAGa5wDEvpWSmImAfETJ/ipNA45/y7WPGMxQ6BOGFJLCWwG5zeXyn okPnn87HI7RiIq7OJ2Eo2Sf2mxPPiJ59KT6XVRFtJQUSiMqFA/MSKJsXJDG4FpfIWDb+ Mte79OCyTCmRJm2K+8sWnzxFIHpOh0X5coftfz4UCj5M4yA49EkS0powHfgyDdbPXEJk 36/Q== X-Gm-Message-State: ALoCoQl+AduYCDyu30kI+hrEM0yRv+YsE0Q8a1Nrw+oYrhLdymxFBvULZIVxKSp7dzuBYPL5iYUT X-Received: by 10.55.197.69 with SMTP id p66mr22325785qki.59.1440606332766; Wed, 26 Aug 2015 09:25:32 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.3.8 with HTTP; Wed, 26 Aug 2015 09:25:13 -0700 (PDT) In-Reply-To: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> From: Garrett Smith Date: Wed, 26 Aug 2015 11:25:13 -0500 Message-ID: To: Anil Madhavapeddy Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org How do you present otherwise? Just boot and then access the application via known ports? On Wed, Aug 26, 2015 at 4:25 AM, Anil Madhavapeddy wrote: > Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that the > onboard graphics HDMI driver doesn't work under Xen, or else it would be > possible to just present directly from the embedded device via HDMI. I > suspect it's just a minor patch to Xen to permit some memory mapped > addresses to be passed through to dom0, but haven't had a chance to look yet > -- this would be a good pioneer project :-) > > http://cubieboard.org/buy/ has a bunch of US suppliers. > > -a > > On 26 Aug 2015, at 06:44, Richard Mortier wrote: > > The most commonly used platform afaik is the cubieboard2, though cubieboard3 > (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle > rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 > yet. > > Can't help with US supplier I'm afraid! > > On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: >> >> I'm working on a presentation where I'd like to showcase a unikernel - >> so I'm in the market for one of those sweet SBCs [1] >> >> What's the recommended hardware platform for path-of-least-resistance >> with Mirage? I'd like to keep it under $US100. >> >> For US customers, is there a recommended source? >> >> [1] I just want to get one, using Mirage as cover >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 16:25:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 16:25:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdW4-0007YI-2a; Wed, 26 Aug 2015 16:25:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdW3-0007YD-BR for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 16:25:35 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id 7E/00-00536-E78EDD55; Wed, 26 Aug 2015 16:25:34 +0000 X-Env-Sender: g@rre.tt X-Msg-Ref: server-2.tower-31.messagelabs.com!1440606333!38393821!1 X-Originating-IP: [209.85.220.179] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23883 invoked from network); 26 Aug 2015 16:25:33 -0000 Received: from mail-qk0-f179.google.com (HELO mail-qk0-f179.google.com) (209.85.220.179) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 16:25:33 -0000 Received: by qkbm65 with SMTP id m65so122201545qkb.2 for ; Wed, 26 Aug 2015 09:25:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=pUiN5CDmEJWQoYFwhjhxskptkOwuvJZufrrDyoGjO+U=; b=ej3U6iQpXzPaDhlBcUm5uQunJL4Hv4kvxhj1KRDbSabJRky+Z38ip+8bAMT/KE0DW0 JarIxUtJmuJf3iciKfHqbpPjmtcnQKI4RL1IhG+InI+LYgIyz9REBmjKebYfcwMQ2DiB ykdp6TnM8I5CvfURAGa5wDEvpWSmImAfETJ/ipNA45/y7WPGMxQ6BOGFJLCWwG5zeXyn okPnn87HI7RiIq7OJ2Eo2Sf2mxPPiJ59KT6XVRFtJQUSiMqFA/MSKJsXJDG4FpfIWDb+ Mte79OCyTCmRJm2K+8sWnzxFIHpOh0X5coftfz4UCj5M4yA49EkS0powHfgyDdbPXEJk 36/Q== X-Gm-Message-State: ALoCoQl+AduYCDyu30kI+hrEM0yRv+YsE0Q8a1Nrw+oYrhLdymxFBvULZIVxKSp7dzuBYPL5iYUT X-Received: by 10.55.197.69 with SMTP id p66mr22325785qki.59.1440606332766; Wed, 26 Aug 2015 09:25:32 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.3.8 with HTTP; Wed, 26 Aug 2015 09:25:13 -0700 (PDT) In-Reply-To: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> From: Garrett Smith Date: Wed, 26 Aug 2015 11:25:13 -0500 Message-ID: To: Anil Madhavapeddy Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org How do you present otherwise? Just boot and then access the application via known ports? On Wed, Aug 26, 2015 at 4:25 AM, Anil Madhavapeddy wrote: > Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that the > onboard graphics HDMI driver doesn't work under Xen, or else it would be > possible to just present directly from the embedded device via HDMI. I > suspect it's just a minor patch to Xen to permit some memory mapped > addresses to be passed through to dom0, but haven't had a chance to look yet > -- this would be a good pioneer project :-) > > http://cubieboard.org/buy/ has a bunch of US suppliers. > > -a > > On 26 Aug 2015, at 06:44, Richard Mortier wrote: > > The most commonly used platform afaik is the cubieboard2, though cubieboard3 > (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle > rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 > yet. > > Can't help with US supplier I'm afraid! > > On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: >> >> I'm working on a presentation where I'd like to showcase a unikernel - >> so I'm in the market for one of those sweet SBCs [1] >> >> What's the recommended hardware platform for path-of-least-resistance >> with Mirage? I'd like to keep it under $US100. >> >> For US customers, is there a recommended source? >> >> [1] I just want to get one, using Mirage as cover >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 16:25:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 16:25:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdW8-0007Yt-5T; Wed, 26 Aug 2015 16:25:40 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdW7-0007Yg-0E for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 16:25:39 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id D3/B7-18886-288EDD55; Wed, 26 Aug 2015 16:25:38 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1440606336!11880527!1 X-Originating-IP: [209.85.217.179] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6903 invoked from network); 26 Aug 2015 16:25:37 -0000 Received: from mail-lb0-f179.google.com (HELO mail-lb0-f179.google.com) (209.85.217.179) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 26 Aug 2015 16:25:37 -0000 Received: by lbcbn3 with SMTP id bn3so122907086lbc.2 for ; Wed, 26 Aug 2015 09:25:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=/wwsZxqTvdl37TjgTgP/kKKlZ2rZMieQ+7xZ/BBnsf4=; b=uQUK3CzPJ0imXuzhH4gLcqWkYgEVgPUFScpOC0O2ki91MjuXtYfLSB4dPGxPJxrk2m qIc8BUCyfecj4FgcLXivC+B/TY5rsexqE//tLnpjms5TU6L3sGpf5KPppNWjxydwIL/r WZHeFb/bSOy1V1KILaAl30Uaj97G5Y2rV40CZ1adku9u9nTeb78hqcqIEMvE53PNdMku PGEL8xx/NYuQMZ+I1FHKhtbpNEojBbJSayVT/zMrw68yoDOH+ZmWRL5p4NKtncgF82vO C1YC+w7tK1dDg+A6vsQxZx6I+pRiuBgASfVhFtIf52fqAShDmaVyv7fE0c2shlE32wqg By7A== MIME-Version: 1.0 X-Received: by 10.112.147.201 with SMTP id tm9mr31304947lbb.40.1440606336456; Wed, 26 Aug 2015 09:25:36 -0700 (PDT) Received: by 10.112.90.226 with HTTP; Wed, 26 Aug 2015 09:25:36 -0700 (PDT) In-Reply-To: <3C9CA8C0-75A3-4D87-B3B1-4B0C0A16CEB5@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> <3C9CA8C0-75A3-4D87-B3B1-4B0C0A16CEB5@recoil.org> Date: Wed, 26 Aug 2015 18:25:36 +0200 X-Google-Sender-Auth: B60mEO-BmzFH9iJH7sG4KjUNTL8 Message-ID: From: "Christiano F. Haesbaert" To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjYgQXVndXN0IDIwMTUgYXQgMTg6MTksIEFuaWwgTWFkaGF2YXBlZGR5IDxhbmlsQHJlY29p bC5vcmc+IHdyb3RlOgo+IE9uIDI2IEF1ZyAyMDE1LCBhdCAxNjo1OCwgQ2hyaXN0aWFubyBGLiBI YWVzYmFlcnQgPGhhZXNiYWVydEBoYWVzYmFlcnQub3JnPiB3cm90ZToKPj4KPj4gQXdlc29tZSwg SSB0aGluayBJIGdldCBpdCwgSSdsbCBuZWVkIHNvbWV0aGluZyBhbmFsb2dvdXMgdG8gdGhlIElP Cj4+IG1vZHVsZSBvZiBDb2h0dHAsIHNob3VsZCBiZSBmYWlybHkgZWFzeS4KPj4gQWZ0ZXIgc29t ZSBtb3JlIHJlYWRpbmcsIHRoZSBEaGNwX3NlcnZlciBzaG91bGQgcmVxdWlyZSBvbmx5IGFuICJJ TyIKPj4gbW9kdWxlIGFuZCBhICJMb2dnZXIiIG1vZHVsZS4KPgo+IFRoYXQgc291bmRzIGFib3V0 IHJpZ2h0LiAgWW91ciBJTyBtb2R1bGUgaXMgYSBsaXR0bGUgZGlmZmVyZW50IGZyb20KPiBDb2h0 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09:25:36 -0700 (PDT) In-Reply-To: <3C9CA8C0-75A3-4D87-B3B1-4B0C0A16CEB5@recoil.org> References: <66062035-633B-455A-8D0E-2F063B419806@recoil.org> <1439889317.157887.359064729.5D1542B2@webmail.messagingengine.com> <55CAD2E7-FE6B-44C1-A7A9-3415D9F0C38B@recoil.org> <3C9CA8C0-75A3-4D87-B3B1-4B0C0A16CEB5@recoil.org> Date: Wed, 26 Aug 2015 18:25:36 +0200 X-Google-Sender-Auth: B60mEO-BmzFH9iJH7sG4KjUNTL8 Message-ID: From: "Christiano F. Haesbaert" To: Anil Madhavapeddy Cc: mirageos-devel Subject: Re: [MirageOS-devel] hdhcpd working. X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjYgQXVndXN0IDIwMTUgYXQgMTg6MTksIEFuaWwgTWFkaGF2YXBlZGR5IDxhbmlsQHJlY29p bC5vcmc+IHdyb3RlOgo+IE9uIDI2IEF1ZyAyMDE1LCBhdCAxNjo1OCwgQ2hyaXN0aWFubyBGLiBI YWVzYmFlcnQgPGhhZXNiYWVydEBoYWVzYmFlcnQub3JnPiB3cm90ZToKPj4KPj4gQXdlc29tZSwg SSB0aGluayBJIGdldCBpdCwgSSdsbCBuZWVkIHNvbWV0aGluZyBhbmFsb2dvdXMgdG8gdGhlIElP Cj4+IG1vZHVsZSBvZiBDb2h0dHAsIHNob3VsZCBiZSBmYWlybHkgZWFzeS4KPj4gQWZ0ZXIgc29t ZSBtb3JlIHJlYWRpbmcsIHRoZSBEaGNwX3NlcnZlciBzaG91bGQgcmVxdWlyZSBvbmx5IGFuICJJ TyIKPj4gbW9kdWxlIGFuZCBhICJMb2dnZXIiIG1vZHVsZS4KPgo+IFRoYXQgc291bmRzIGFib3V0 IHJpZ2h0LiAgWW91ciBJTyBtb2R1bGUgaXMgYSBsaXR0bGUgZGlmZmVyZW50IGZyb20KPiBDb2h0 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Delivery-date: Wed, 26 Aug 2015 16:26:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdX8-00082I-DL; Wed, 26 Aug 2015 16:26:42 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdX7-00080I-D4 for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 16:26:41 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id 2D/F5-10678-0C8EDD55; Wed, 26 Aug 2015 16:26:40 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1440606399!38463284!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5029 invoked from network); 26 Aug 2015 16:26:39 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 16:26:39 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id d163d80e TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 17:26:39 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 17:26:38 +0100 Message-Id: <54982C1B-24DB-4ACB-8AA4-65AA7BAB7342@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> To: Garrett Smith X-Mailer: Apple Mail (2.2104) Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I hook up the Cubieboard to my Mac laptop to get it Internet sharing, and present via a webbrowser and a terminal SSHed into the board. Good enough, but not nearly as cool as a USB/Bluetooth clicker and HDMI output would be... -a > On 26 Aug 2015, at 17:25, Garrett Smith wrote: > > How do you present otherwise? Just boot and then access the > application via known ports? > > On Wed, Aug 26, 2015 at 4:25 AM, Anil Madhavapeddy wrote: >> Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that the >> onboard graphics HDMI driver doesn't work under Xen, or else it would be >> possible to just present directly from the embedded device via HDMI. I >> suspect it's just a minor patch to Xen to permit some memory mapped >> addresses to be passed through to dom0, but haven't had a chance to look yet >> -- this would be a good pioneer project :-) >> >> http://cubieboard.org/buy/ has a bunch of US suppliers. >> >> -a >> >> On 26 Aug 2015, at 06:44, Richard Mortier wrote: >> >> The most commonly used platform afaik is the cubieboard2, though cubieboard3 >> (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle >> rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 >> yet. >> >> Can't help with US supplier I'm afraid! >> >> On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: >>> >>> I'm working on a presentation where I'd like to showcase a unikernel - >>> so I'm in the market for one of those sweet SBCs [1] >>> >>> What's the recommended hardware platform for path-of-least-resistance >>> with Mirage? I'd like to keep it under $US100. >>> >>> For US customers, is there a recommended source? >>> >>> [1] I just want to get one, using Mirage as cover >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 16:26:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 16:26:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdX8-00082I-DL; Wed, 26 Aug 2015 16:26:42 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUdX7-00080I-D4 for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 16:26:41 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id 2D/F5-10678-0C8EDD55; Wed, 26 Aug 2015 16:26:40 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1440606399!38463284!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5029 invoked from network); 26 Aug 2015 16:26:39 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 16:26:39 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id d163d80e TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 26 Aug 2015 17:26:39 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 26 Aug 2015 17:26:38 +0100 Message-Id: <54982C1B-24DB-4ACB-8AA4-65AA7BAB7342@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> To: Garrett Smith X-Mailer: Apple Mail (2.2104) Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I hook up the Cubieboard to my Mac laptop to get it Internet sharing, and present via a webbrowser and a terminal SSHed into the board. Good enough, but not nearly as cool as a USB/Bluetooth clicker and HDMI output would be... -a > On 26 Aug 2015, at 17:25, Garrett Smith wrote: > > How do you present otherwise? Just boot and then access the > application via known ports? > > On Wed, Aug 26, 2015 at 4:25 AM, Anil Madhavapeddy wrote: >> Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that the >> onboard graphics HDMI driver doesn't work under Xen, or else it would be >> possible to just present directly from the embedded device via HDMI. I >> suspect it's just a minor patch to Xen to permit some memory mapped >> addresses to be passed through to dom0, but haven't had a chance to look yet >> -- this would be a good pioneer project :-) >> >> http://cubieboard.org/buy/ has a bunch of US suppliers. >> >> -a >> >> On 26 Aug 2015, at 06:44, Richard Mortier wrote: >> >> The most commonly used platform afaik is the cubieboard2, though cubieboard3 >> (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle >> rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 >> yet. >> >> Can't help with US supplier I'm afraid! >> >> On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: >>> >>> I'm working on a presentation where I'd like to showcase a unikernel - >>> so I'm in the market for one of those sweet SBCs [1] >>> >>> What's the recommended hardware platform for path-of-least-resistance >>> with Mirage? I'd like to keep it under $US100. >>> >>> For US customers, is there a recommended source? >>> >>> [1] I just want to get one, using Mirage as cover >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 17:39:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 17:39:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUefq-0003QM-5h; Wed, 26 Aug 2015 17:39:46 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUefo-0003QG-Sw for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 17:39:45 +0000 Received: from [193.109.254.147] by server-1.bemta-14.messagelabs.com id C5/8C-28791-0E9FDD55; Wed, 26 Aug 2015 17:39:44 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-8.tower-27.messagelabs.com!1440610782!44262116!1 X-Originating-IP: [66.111.4.28] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3316 invoked from network); 26 Aug 2015 17:39:42 -0000 Received: from out4-smtp.messagingengine.com (HELO out4-smtp.messagingengine.com) (66.111.4.28) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 17:39:42 -0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id DB2A622ACA for ; Wed, 26 Aug 2015 13:39:41 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute1.internal (MEProxy); Wed, 26 Aug 2015 13:39:41 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=r+qjRGsZM7lLVsGT0maMunPZ/9c=; b=wxNB+I giaC//Usz8rxmmOFc2ujfJZKbDORlEfxnTI/8c8oKoFssNfWu3PkKNU3JcVuCK0+ L/aYf5H2Tb5ymeKTjO8Of4VCb0cw4l97RVz236droubczs2n7oWmfQ7yH62CesFo 3PIlLvA/jXpxs4gCKRP0SPcwXgm+V3AbUoL6Y= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=r+qjRGsZM7lLVsG T0maMunPZ/9c=; b=CG/sJaiOB5FCEMev+Fxdo5eHOyqnoOYMMvY8JqVIVDp3Li1 3C0pK11q3ELzUGnNR3bKovzekrdc7aTHuPxufqfrYYClipm+YtwVbJ93v/XXmQX0 WTjtLTIkAy7efAXST6wu+LT5aC4H9nvYXsUfHSkNhBE0StQsNn/ejrjLDAck= Received: by web6.nyi.internal (Postfix, from userid 99) id 9140A56344; Wed, 26 Aug 2015 13:39:41 -0400 (EDT) Message-Id: <1440610781.2780043.366736537.7A8139CB@webmail.messagingengine.com> X-Sasl-Enc: c440HcWtGFOPjSIvv5c9uO1wvo0YRLIV9Va18xe7SJdS 1440610781 From: Magnus Skjegstad To: Anil Madhavapeddy , Garrett Smith MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4500bf93 Date: Wed, 26 Aug 2015 19:39:41 +0200 In-Reply-To: <54982C1B-24DB-4ACB-8AA4-65AA7BAB7342@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> <54982C1B-24DB-4ACB-8AA4-65AA7BAB7342@recoil.org> Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I tried briefly to get HDMI working with xen-arm-builder [0] some time ago. If I remember correctly the problem then was that to get the Mali driver [1] working I had to use an older Sunxi linux kernel. Many of the Sunxi patches have been added to the main Linux kernel, but it seems that support for Mali is unlikely at the moment [2]. Maybe there are other alternatives now. 0. https://github.com/mirage/xen-arm-builder 1. http://linux-sunxi.org/Mali_binary_driver 2. http://linux-sunxi.org/Linux_mainlining_effort#Unlikely -- Magnus On Wed, 26 Aug 2015, at 18:26, Anil Madhavapeddy wrote: > I hook up the Cubieboard to my Mac laptop to get it Internet sharing, > and present via a webbrowser and a terminal SSHed into the board. > > Good enough, but not nearly as cool as a USB/Bluetooth clicker and > HDMI output would be... > > -a > > > On 26 Aug 2015, at 17:25, Garrett Smith wrote: > > > > How do you present otherwise? Just boot and then access the > > application via known ports? > > > > On Wed, Aug 26, 2015 at 4:25 AM, Anil Madhavapeddy wrote: > >> Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that the > >> onboard graphics HDMI driver doesn't work under Xen, or else it would be > >> possible to just present directly from the embedded device via HDMI. I > >> suspect it's just a minor patch to Xen to permit some memory mapped > >> addresses to be passed through to dom0, but haven't had a chance to look yet > >> -- this would be a good pioneer project :-) > >> > >> http://cubieboard.org/buy/ has a bunch of US suppliers. > >> > >> -a > >> > >> On 26 Aug 2015, at 06:44, Richard Mortier wrote: > >> > >> The most commonly used platform afaik is the cubieboard2, though cubieboard3 > >> (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle > >> rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 > >> yet. > >> > >> Can't help with US supplier I'm afraid! > >> > >> On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: > >>> > >>> I'm working on a presentation where I'd like to showcase a unikernel - > >>> so I'm in the market for one of those sweet SBCs [1] > >>> > >>> What's the recommended hardware platform for path-of-least-resistance > >>> with Mirage? I'd like to keep it under $US100. > >>> > >>> For US customers, is there a recommended source? > >>> > >>> [1] I just want to get one, using Mirage as cover > >>> > >>> _______________________________________________ > >>> MirageOS-devel mailing list > >>> MirageOS-devel@lists.xenproject.org > >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > >> > >> _______________________________________________ > >> MirageOS-devel mailing list > >> MirageOS-devel@lists.xenproject.org > >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > >> > >> > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Aug 26 17:39:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 26 Aug 2015 17:39:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUefq-0003QM-5h; Wed, 26 Aug 2015 17:39:46 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUefo-0003QG-Sw for mirageos-devel@lists.xenproject.org; Wed, 26 Aug 2015 17:39:45 +0000 Received: from [193.109.254.147] by server-1.bemta-14.messagelabs.com id C5/8C-28791-0E9FDD55; Wed, 26 Aug 2015 17:39:44 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-8.tower-27.messagelabs.com!1440610782!44262116!1 X-Originating-IP: [66.111.4.28] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3316 invoked from network); 26 Aug 2015 17:39:42 -0000 Received: from out4-smtp.messagingengine.com (HELO out4-smtp.messagingengine.com) (66.111.4.28) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 26 Aug 2015 17:39:42 -0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id DB2A622ACA for ; Wed, 26 Aug 2015 13:39:41 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute1.internal (MEProxy); Wed, 26 Aug 2015 13:39:41 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=r+qjRGsZM7lLVsGT0maMunPZ/9c=; b=wxNB+I giaC//Usz8rxmmOFc2ujfJZKbDORlEfxnTI/8c8oKoFssNfWu3PkKNU3JcVuCK0+ L/aYf5H2Tb5ymeKTjO8Of4VCb0cw4l97RVz236droubczs2n7oWmfQ7yH62CesFo 3PIlLvA/jXpxs4gCKRP0SPcwXgm+V3AbUoL6Y= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=r+qjRGsZM7lLVsG T0maMunPZ/9c=; b=CG/sJaiOB5FCEMev+Fxdo5eHOyqnoOYMMvY8JqVIVDp3Li1 3C0pK11q3ELzUGnNR3bKovzekrdc7aTHuPxufqfrYYClipm+YtwVbJ93v/XXmQX0 WTjtLTIkAy7efAXST6wu+LT5aC4H9nvYXsUfHSkNhBE0StQsNn/ejrjLDAck= Received: by web6.nyi.internal (Postfix, from userid 99) id 9140A56344; Wed, 26 Aug 2015 13:39:41 -0400 (EDT) Message-Id: <1440610781.2780043.366736537.7A8139CB@webmail.messagingengine.com> X-Sasl-Enc: c440HcWtGFOPjSIvv5c9uO1wvo0YRLIV9Va18xe7SJdS 1440610781 From: Magnus Skjegstad To: Anil Madhavapeddy , Garrett Smith MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-4500bf93 Date: Wed, 26 Aug 2015 19:39:41 +0200 In-Reply-To: <54982C1B-24DB-4ACB-8AA4-65AA7BAB7342@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> <54982C1B-24DB-4ACB-8AA4-65AA7BAB7342@recoil.org> Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I tried briefly to get HDMI working with xen-arm-builder [0] some time ago. If I remember correctly the problem then was that to get the Mali driver [1] working I had to use an older Sunxi linux kernel. Many of the Sunxi patches have been added to the main Linux kernel, but it seems that support for Mali is unlikely at the moment [2]. Maybe there are other alternatives now. 0. https://github.com/mirage/xen-arm-builder 1. http://linux-sunxi.org/Mali_binary_driver 2. http://linux-sunxi.org/Linux_mainlining_effort#Unlikely -- Magnus On Wed, 26 Aug 2015, at 18:26, Anil Madhavapeddy wrote: > I hook up the Cubieboard to my Mac laptop to get it Internet sharing, > and present via a webbrowser and a terminal SSHed into the board. > > Good enough, but not nearly as cool as a USB/Bluetooth clicker and > HDMI output would be... > > -a > > > On 26 Aug 2015, at 17:25, Garrett Smith wrote: > > > > How do you present otherwise? Just boot and then access the > > application via known ports? > > > > On Wed, Aug 26, 2015 at 4:25 AM, Anil Madhavapeddy wrote: > >> Definitely recommend the Cubieboard2 or Cubietruck. One hitch is that the > >> onboard graphics HDMI driver doesn't work under Xen, or else it would be > >> possible to just present directly from the embedded device via HDMI. I > >> suspect it's just a minor patch to Xen to permit some memory mapped > >> addresses to be passed through to dom0, but haven't had a chance to look yet > >> -- this would be a good pioneer project :-) > >> > >> http://cubieboard.org/buy/ has a bunch of US suppliers. > >> > >> -a > >> > >> On 26 Aug 2015, at 06:44, Richard Mortier wrote: > >> > >> The most commonly used platform afaik is the cubieboard2, though cubieboard3 > >> (aka cubietruck) is also known to work fine (albeit using WiFi USB dongle > >> rather then the on-board WiFi). I don't think anyone's tried the cubieboard4 > >> yet. > >> > >> Can't help with US supplier I'm afraid! > >> > >> On 26 Aug 2015 5:32 am, "Garrett Smith" wrote: > >>> > >>> I'm working on a presentation where I'd like to showcase a unikernel - > >>> so I'm in the market for one of those sweet SBCs [1] > >>> > >>> What's the recommended hardware platform for path-of-least-resistance > >>> with Mirage? I'd like to keep it under $US100. > >>> > >>> For US customers, is there a recommended source? > >>> > >>> [1] I just want to get one, using Mirage as cover > >>> > >>> _______________________________________________ > >>> MirageOS-devel mailing list > >>> MirageOS-devel@lists.xenproject.org > >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > >> > >> _______________________________________________ > >> MirageOS-devel mailing list > >> MirageOS-devel@lists.xenproject.org > >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > >> > >> > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 06:01:44 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 06:01:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUqFX-00027A-UF; Thu, 27 Aug 2015 06:01:23 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUqFW-000275-PH for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 06:01:22 +0000 Received: from [85.158.139.211] by server-1.bemta-5.messagelabs.com id 62/03-32615-2B7AED55; Thu, 27 Aug 2015 06:01:22 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1440655281!30844775!1 X-Originating-IP: [157.55.2.91] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_20_30,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27060 invoked from network); 27 Aug 2015 06:01:21 -0000 Received: from dub004-omc4s16.hotmail.com (HELO DUB004-OMC4S16.hotmail.com) (157.55.2.91) by server-4.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 27 Aug 2015 06:01:21 -0000 Received: from DUB128-W55 ([157.55.2.72]) by DUB004-OMC4S16.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Wed, 26 Aug 2015 23:01:20 -0700 X-TMN: [ldk5cVnZumQKpBjVtBQ7V98TdFabQ7hi] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Anil Madhavapeddy , Richard Mortier Date: Thu, 27 Aug 2015 06:01:20 +0000 Importance: Normal In-Reply-To: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> References: , , <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> MIME-Version: 1.0 X-OriginalArrivalTime: 27 Aug 2015 06:01:20.0957 (UTC) FILETIME=[CBE57ED0:01D0E08D] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3843744228751541753==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3843744228751541753== Content-Type: multipart/alternative; boundary="_d12a024f-249e-40c6-b4e1-2ed5277fc714_" --_d12a024f-249e-40c6-b4e1-2ed5277fc714_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Definitely recommend the Cubieboard2 or Cubietruck. =20 I think that the sunxi development of cubieboard4 has dried up even though = it's marked to be included in the next release. The only issue I've found w= ith cubieboard2/3 - which is definitely the way to go - is that if you run = the boards with the pre-built images for a long time then the xapi stack ch= ews up all of the microsd memory by writing a lot to syslog. If you rebuild= the image with the xapi commented out of the build scripts then it works f= ine. Incidentally=2C next iteration of cubieboard - 5 - uses the allwinner h8 - = which has the A53's=2C is 64 bits running arm architecture v8. Nick = --_d12a024f-249e-40c6-b4e1-2ed5277fc714_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Definitely recommend th= e Cubieboard2 or Cubietruck. =3B

I think that the sunxi develop= ment of cubieboard4 has dried up even though it's marked to be included in = the next release. The only issue I've found with cubieboard2/3 - which is d= efinitely the way to go - is that if you run the boards with the pre-built = images for a long time then the xapi stack chews up all of the microsd memo= ry by writing a lot to syslog. If you rebuild the image with the xapi comme= nted out of the build scripts then it works fine.

Incidentally=2C ne= xt iteration of cubieboard - 5 - uses the allwinner h8 - which has the A53'= s=2C is 64 bits running arm architecture v8.

Nick
=
= --_d12a024f-249e-40c6-b4e1-2ed5277fc714_-- --===============3843744228751541753== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3843744228751541753==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 06:01:44 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 06:01:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUqFX-00027A-UF; Thu, 27 Aug 2015 06:01:23 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUqFW-000275-PH for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 06:01:22 +0000 Received: from [85.158.139.211] by server-1.bemta-5.messagelabs.com id 62/03-32615-2B7AED55; Thu, 27 Aug 2015 06:01:22 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1440655281!30844775!1 X-Originating-IP: [157.55.2.91] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_20_30,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27060 invoked from network); 27 Aug 2015 06:01:21 -0000 Received: from dub004-omc4s16.hotmail.com (HELO DUB004-OMC4S16.hotmail.com) (157.55.2.91) by server-4.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 27 Aug 2015 06:01:21 -0000 Received: from DUB128-W55 ([157.55.2.72]) by DUB004-OMC4S16.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Wed, 26 Aug 2015 23:01:20 -0700 X-TMN: [ldk5cVnZumQKpBjVtBQ7V98TdFabQ7hi] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: Nick Betteridge To: Anil Madhavapeddy , Richard Mortier Date: Thu, 27 Aug 2015 06:01:20 +0000 Importance: Normal In-Reply-To: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> References: , , <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> MIME-Version: 1.0 X-OriginalArrivalTime: 27 Aug 2015 06:01:20.0957 (UTC) FILETIME=[CBE57ED0:01D0E08D] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3843744228751541753==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3843744228751541753== Content-Type: multipart/alternative; boundary="_d12a024f-249e-40c6-b4e1-2ed5277fc714_" --_d12a024f-249e-40c6-b4e1-2ed5277fc714_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Definitely recommend the Cubieboard2 or Cubietruck. =20 I think that the sunxi development of cubieboard4 has dried up even though = it's marked to be included in the next release. The only issue I've found w= ith cubieboard2/3 - which is definitely the way to go - is that if you run = the boards with the pre-built images for a long time then the xapi stack ch= ews up all of the microsd memory by writing a lot to syslog. If you rebuild= the image with the xapi commented out of the build scripts then it works f= ine. Incidentally=2C next iteration of cubieboard - 5 - uses the allwinner h8 - = which has the A53's=2C is 64 bits running arm architecture v8. Nick = --_d12a024f-249e-40c6-b4e1-2ed5277fc714_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Definitely recommend th= e Cubieboard2 or Cubietruck. =3B

I think that the sunxi develop= ment of cubieboard4 has dried up even though it's marked to be included in = the next release. The only issue I've found with cubieboard2/3 - which is d= efinitely the way to go - is that if you run the boards with the pre-built = images for a long time then the xapi stack chews up all of the microsd memo= ry by writing a lot to syslog. If you rebuild the image with the xapi comme= nted out of the build scripts then it works fine.

Incidentally=2C ne= xt iteration of cubieboard - 5 - uses the allwinner h8 - which has the A53'= s=2C is 64 bits running arm architecture v8.

Nick
=
= --_d12a024f-249e-40c6-b4e1-2ed5277fc714_-- --===============3843744228751541753== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3843744228751541753==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 12:27:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 12:27:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwGS-0001ir-1F; Thu, 27 Aug 2015 12:26:44 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwGR-0001im-7u for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 12:26:43 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id DF/AC-29649-2020FD55; Thu, 27 Aug 2015 12:26:42 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-31.messagelabs.com!1440678401!36296343!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12985 invoked from network); 27 Aug 2015 12:26:41 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-14.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 27 Aug 2015 12:26:41 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id b7ba789d TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 27 Aug 2015 13:26:40 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 27 Aug 2015 13:26:39 +0100 Message-Id: <92FC8580-8182-4E73-B7F5-B7B185054374@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> To: Nick Betteridge X-Mailer: Apple Mail (2.2104) Cc: Richard Mortier , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1155409274812511634==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1155409274812511634== Content-Type: multipart/alternative; boundary="Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B" --Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Do you mean that the upstream progress of the Cubie4 has stopped? = That's not a good sign -- although the 64 bit v8 architecture in the = next rev is very exciting indeed! OCaml trunk has a native code = generator for it, which works well enough in my qemu testing so far, so = Mirage itself shouldn't be very difficult to get running. -a > On 27 Aug 2015, at 07:01, Nick Betteridge = wrote: >=20 >=20 > Definitely recommend the Cubieboard2 or Cubietruck. =20 >=20 > I think that the sunxi development of cubieboard4 has dried up even = though it's marked to be included in the next release. The only issue = I've found with cubieboard2/3 - which is definitely the way to go - is = that if you run the boards with the pre-built images for a long time = then the xapi stack chews up all of the microsd memory by writing a lot = to syslog. If you rebuild the image with the xapi commented out of the = build scripts then it works fine. >=20 > Incidentally, next iteration of cubieboard - 5 - uses the allwinner h8 = - which has the A53's, is 64 bits running arm architecture v8. >=20 > Nick > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org = > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel = --Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Do you mean that the upstream progress of the Cubie4 has = stopped?  That's not a good sign -- although the 64 bit v8 = architecture in the next rev is very exciting indeed!  OCaml trunk = has a native code generator for it, which works well enough in my qemu = testing so far, so Mirage itself shouldn't be very difficult to get = running.

-a

On 27 Aug 2015, at 07:01, Nick Betteridge <buzzheavyyear@hotmail.com> wrote:


Definitely recommend the Cubieboard2 = or Cubietruck.  
I think that the sunxi development of = cubieboard4 has dried up even though it's marked to be included in the = next release. The only issue I've found with cubieboard2/3 - which is = definitely the way to go - is that if you run the boards with the = pre-built images for a long time then the xapi stack chews up all of the = microsd memory by writing a lot to syslog. If you rebuild the image with = the xapi commented out of the build scripts then it works fine.

Incidentally, next iteration of cubieboard - 5 = - uses the allwinner h8 - which has the A53's, is 64 bits running arm = architecture v8.

Nick
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

= --Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B-- --===============1155409274812511634== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1155409274812511634==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 12:27:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 12:27:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwGS-0001ir-1F; Thu, 27 Aug 2015 12:26:44 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwGR-0001im-7u for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 12:26:43 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id DF/AC-29649-2020FD55; Thu, 27 Aug 2015 12:26:42 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-31.messagelabs.com!1440678401!36296343!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12985 invoked from network); 27 Aug 2015 12:26:41 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-14.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 27 Aug 2015 12:26:41 -0000 Received: from flick.home (host81-134-29-229.in-addr.btopenworld.com [81.134.29.229]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id b7ba789d TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 27 Aug 2015 13:26:40 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 27 Aug 2015 13:26:39 +0100 Message-Id: <92FC8580-8182-4E73-B7F5-B7B185054374@recoil.org> References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> To: Nick Betteridge X-Mailer: Apple Mail (2.2104) Cc: Richard Mortier , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1155409274812511634==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1155409274812511634== Content-Type: multipart/alternative; boundary="Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B" --Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Do you mean that the upstream progress of the Cubie4 has stopped? = That's not a good sign -- although the 64 bit v8 architecture in the = next rev is very exciting indeed! OCaml trunk has a native code = generator for it, which works well enough in my qemu testing so far, so = Mirage itself shouldn't be very difficult to get running. -a > On 27 Aug 2015, at 07:01, Nick Betteridge = wrote: >=20 >=20 > Definitely recommend the Cubieboard2 or Cubietruck. =20 >=20 > I think that the sunxi development of cubieboard4 has dried up even = though it's marked to be included in the next release. The only issue = I've found with cubieboard2/3 - which is definitely the way to go - is = that if you run the boards with the pre-built images for a long time = then the xapi stack chews up all of the microsd memory by writing a lot = to syslog. If you rebuild the image with the xapi commented out of the = build scripts then it works fine. >=20 > Incidentally, next iteration of cubieboard - 5 - uses the allwinner h8 = - which has the A53's, is 64 bits running arm architecture v8. >=20 > Nick > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org = > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel = --Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Do you mean that the upstream progress of the Cubie4 has = stopped?  That's not a good sign -- although the 64 bit v8 = architecture in the next rev is very exciting indeed!  OCaml trunk = has a native code generator for it, which works well enough in my qemu = testing so far, so Mirage itself shouldn't be very difficult to get = running.

-a

On 27 Aug 2015, at 07:01, Nick Betteridge <buzzheavyyear@hotmail.com> wrote:


Definitely recommend the Cubieboard2 = or Cubietruck.  
I think that the sunxi development of = cubieboard4 has dried up even though it's marked to be included in the = next release. The only issue I've found with cubieboard2/3 - which is = definitely the way to go - is that if you run the boards with the = pre-built images for a long time then the xapi stack chews up all of the = microsd memory by writing a lot to syslog. If you rebuild the image with = the xapi commented out of the build scripts then it works fine.

Incidentally, next iteration of cubieboard - 5 = - uses the allwinner h8 - which has the A53's, is 64 bits running arm = architecture v8.

Nick
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

= --Apple-Mail=_41D35271-417F-4F3B-A4F9-29CB4B358C7B-- --===============1155409274812511634== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1155409274812511634==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 12:34:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 12:34:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwO6-0002DG-Lm; Thu, 27 Aug 2015 12:34:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwO5-0002DB-Dp for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 12:34:37 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 64/92-03763-CD30FD55; Thu, 27 Aug 2015 12:34:36 +0000 X-Env-Sender: yallop@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1440678875!38708090!1 X-Originating-IP: [209.85.217.178] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5078 invoked from network); 27 Aug 2015 12:34:36 -0000 Received: from mail-lb0-f178.google.com (HELO mail-lb0-f178.google.com) (209.85.217.178) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 27 Aug 2015 12:34:36 -0000 Received: by lbbtg9 with SMTP id tg9so10411079lbb.1 for ; Thu, 27 Aug 2015 05:34:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=TFm1lpAiZISfgAZbi14MtywEfP5aXC+efO6Q7xYo2zY=; b=SZlOwo2KyMpr7D4O6SMWSUHEYLXX9Q/DZC2Hf3NmuAR3IsIktH4ZD6wFeZVUzzgtXP mPLjzYTYFisaWLNdFVm6i8nvlpQcSgdV2j0Bkh58cov08u1bEGhM9WUbdDQO8Sd5VzpT es4D/bMy6tqSM4APv0Z9WPyHFmybmpMCHHwty5GQfpITPXPva8wERGBZImiGdSS1oOqg wVHgmBUbLiXK4e6Zx8rMVQDmDPaGF9gXM8HTkstQNKv+1DwsqxteBQwT3cEjDRjKI1O7 xt9WsRtxLs4newttPRNF1ldKs6pYvKFe+ouYdX+PQeFpiBNj9o4AxtneWADCl3143gl1 sQOQ== MIME-Version: 1.0 X-Received: by 10.112.159.226 with SMTP id xf2mr2082719lbb.74.1440678875409; Thu, 27 Aug 2015 05:34:35 -0700 (PDT) Received: by 10.25.140.87 with HTTP; Thu, 27 Aug 2015 05:34:35 -0700 (PDT) In-Reply-To: References: Date: Thu, 27 Aug 2015 13:34:35 +0100 Message-ID: From: Jeremy Yallop To: cam-compiler-hacking@lists.ocaml.org Cc: "cl-ocamllabs-staff@lists.cam.ac.uk" , "mirageos-devel@lists.xenproject.org" , "cl-ocamllabs@lists.cam.ac.uk" Subject: Re: [MirageOS-devel] OCaml compiler hacking evening next Friday (28th August) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Reminder: this'll be taking place tomorrow! If you're planning to come along, please add your name to the poll. On 20 August 2015 at 14:18, Jeremy Yallop wrote: > We'll be meeting in FW26 in the Computer Lab next Friday (28th August > 2015) for another evening of compiler hacking. All welcome! > > We'll also be having an afternoon of OCaml- and ML-related talks > beforehand, with titles suspiciously similar to talks at the ML and > OCaml Workshops the following week. > > The website has the schedule and other details: > > http://ocamllabs.github.io/compiler-hacking/2015/08/20/mini-workshop.html > > If you're planning to come along to either the talks or to compiler > hacking, please add yourself to the poll: > > http://doodle.com/82arpxipidgqbvwi _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 12:34:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 12:34:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwO6-0002DG-Lm; Thu, 27 Aug 2015 12:34:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwO5-0002DB-Dp for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 12:34:37 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 64/92-03763-CD30FD55; Thu, 27 Aug 2015 12:34:36 +0000 X-Env-Sender: yallop@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1440678875!38708090!1 X-Originating-IP: [209.85.217.178] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5078 invoked from network); 27 Aug 2015 12:34:36 -0000 Received: from mail-lb0-f178.google.com (HELO mail-lb0-f178.google.com) (209.85.217.178) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 27 Aug 2015 12:34:36 -0000 Received: by lbbtg9 with SMTP id tg9so10411079lbb.1 for ; Thu, 27 Aug 2015 05:34:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=TFm1lpAiZISfgAZbi14MtywEfP5aXC+efO6Q7xYo2zY=; b=SZlOwo2KyMpr7D4O6SMWSUHEYLXX9Q/DZC2Hf3NmuAR3IsIktH4ZD6wFeZVUzzgtXP mPLjzYTYFisaWLNdFVm6i8nvlpQcSgdV2j0Bkh58cov08u1bEGhM9WUbdDQO8Sd5VzpT es4D/bMy6tqSM4APv0Z9WPyHFmybmpMCHHwty5GQfpITPXPva8wERGBZImiGdSS1oOqg wVHgmBUbLiXK4e6Zx8rMVQDmDPaGF9gXM8HTkstQNKv+1DwsqxteBQwT3cEjDRjKI1O7 xt9WsRtxLs4newttPRNF1ldKs6pYvKFe+ouYdX+PQeFpiBNj9o4AxtneWADCl3143gl1 sQOQ== MIME-Version: 1.0 X-Received: by 10.112.159.226 with SMTP id xf2mr2082719lbb.74.1440678875409; Thu, 27 Aug 2015 05:34:35 -0700 (PDT) Received: by 10.25.140.87 with HTTP; Thu, 27 Aug 2015 05:34:35 -0700 (PDT) In-Reply-To: References: Date: Thu, 27 Aug 2015 13:34:35 +0100 Message-ID: From: Jeremy Yallop To: cam-compiler-hacking@lists.ocaml.org Cc: "cl-ocamllabs-staff@lists.cam.ac.uk" , "mirageos-devel@lists.xenproject.org" , "cl-ocamllabs@lists.cam.ac.uk" Subject: Re: [MirageOS-devel] OCaml compiler hacking evening next Friday (28th August) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Reminder: this'll be taking place tomorrow! If you're planning to come along, please add your name to the poll. On 20 August 2015 at 14:18, Jeremy Yallop wrote: > We'll be meeting in FW26 in the Computer Lab next Friday (28th August > 2015) for another evening of compiler hacking. All welcome! > > We'll also be having an afternoon of OCaml- and ML-related talks > beforehand, with titles suspiciously similar to talks at the ML and > OCaml Workshops the following week. > > The website has the schedule and other details: > > http://ocamllabs.github.io/compiler-hacking/2015/08/20/mini-workshop.html > > If you're planning to come along to either the talks or to compiler > hacking, please add yourself to the poll: > > http://doodle.com/82arpxipidgqbvwi _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 13:08:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 13:08:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwuw-0004Mv-UF; Thu, 27 Aug 2015 13:08:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwuu-0004Mq-UK for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 13:08:33 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 8D/56-19110-FCB0FD55; Thu, 27 Aug 2015 13:08:31 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1440680910!38397335!1 X-Originating-IP: [209.85.213.42] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17404 invoked from network); 27 Aug 2015 13:08:30 -0000 Received: from mail-vk0-f42.google.com (HELO mail-vk0-f42.google.com) (209.85.213.42) by server-11.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 27 Aug 2015 13:08:30 -0000 Received: by vkfi73 with SMTP id i73so8715348vkf.2 for ; Thu, 27 Aug 2015 06:08:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=fVF1jAhInX6POv9icmdIOUVy+jjXwwP4dfirN6dPGSk=; b=Uo5+EuTjaUeCZCYEU12SB2UVO51Qetbpo11y1bD7oR7rxvVZX+Pqm+n5JJwpmRP8On UuDJEKP3l/YKoyeFM8ZGPcx8yU0HN0vdtxmS7UBJ5zYLwQv3M/gyJuVpJrNA4zRPhjgH b5YsJas/5DZBDFu+x42obQehq9Xnst5XiPlJ0OY3PUnPu8gqCGtdKByIincnOw/OQv96 5E4gLUco+Qh1lBUDNHHf91FlORGT2+mNnkWrDg1/jtexJxNiZwIYwq78n1aE7lsGnh26 mziG/LKvACaIUOg1Z+aIVq6jyDNXTNosPwZAGOfJ7cZ398SzCRpih0mC4G3FsTlLbPOi kuIQ== MIME-Version: 1.0 X-Received: by 10.52.227.105 with SMTP id rz9mr1889013vdc.54.1440680910000; Thu, 27 Aug 2015 06:08:30 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 27 Aug 2015 06:08:29 -0700 (PDT) In-Reply-To: References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> Date: Thu, 27 Aug 2015 14:08:29 +0100 Message-ID: From: Thomas Leonard To: Nick Betteridge Cc: Richard Mortier , "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 27 August 2015 at 07:01, Nick Betteridge wrote: > > Definitely recommend the Cubieboard2 or Cubietruck. > > I think that the sunxi development of cubieboard4 has dried up even though > it's marked to be included in the next release. The only issue I've found > with cubieboard2/3 - which is definitely the way to go - is that if you run > the boards with the pre-built images for a long time then the xapi stack > chews up all of the microsd memory by writing a lot to syslog. If you > rebuild the image with the xapi commented out of the build scripts then it > works fine. > > Incidentally, next iteration of cubieboard - 5 - uses the allwinner h8 - > which has the A53's, is 64 bits running arm architecture v8. Do you have a reference for this? According to Wikipedia, the H8 has A7s: https://en.wikipedia.org/wiki/Allwinner_Technology#A_and_H-Series (the 8 referring to the number of cores, not the ARM architecture version) -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 13:08:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 13:08:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwuw-0004Mv-UF; Thu, 27 Aug 2015 13:08:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUwuu-0004Mq-UK for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 13:08:33 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 8D/56-19110-FCB0FD55; Thu, 27 Aug 2015 13:08:31 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1440680910!38397335!1 X-Originating-IP: [209.85.213.42] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17404 invoked from network); 27 Aug 2015 13:08:30 -0000 Received: from mail-vk0-f42.google.com (HELO mail-vk0-f42.google.com) (209.85.213.42) by server-11.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 27 Aug 2015 13:08:30 -0000 Received: by vkfi73 with SMTP id i73so8715348vkf.2 for ; Thu, 27 Aug 2015 06:08:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=fVF1jAhInX6POv9icmdIOUVy+jjXwwP4dfirN6dPGSk=; b=Uo5+EuTjaUeCZCYEU12SB2UVO51Qetbpo11y1bD7oR7rxvVZX+Pqm+n5JJwpmRP8On UuDJEKP3l/YKoyeFM8ZGPcx8yU0HN0vdtxmS7UBJ5zYLwQv3M/gyJuVpJrNA4zRPhjgH b5YsJas/5DZBDFu+x42obQehq9Xnst5XiPlJ0OY3PUnPu8gqCGtdKByIincnOw/OQv96 5E4gLUco+Qh1lBUDNHHf91FlORGT2+mNnkWrDg1/jtexJxNiZwIYwq78n1aE7lsGnh26 mziG/LKvACaIUOg1Z+aIVq6jyDNXTNosPwZAGOfJ7cZ398SzCRpih0mC4G3FsTlLbPOi kuIQ== MIME-Version: 1.0 X-Received: by 10.52.227.105 with SMTP id rz9mr1889013vdc.54.1440680910000; Thu, 27 Aug 2015 06:08:30 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Thu, 27 Aug 2015 06:08:29 -0700 (PDT) In-Reply-To: References: <6AAC619D-DCEB-469B-B9FB-FF3D8BEAB105@recoil.org> Date: Thu, 27 Aug 2015 14:08:29 +0100 Message-ID: From: Thomas Leonard To: Nick Betteridge Cc: Richard Mortier , "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 27 August 2015 at 07:01, Nick Betteridge wrote: > > Definitely recommend the Cubieboard2 or Cubietruck. > > I think that the sunxi development of cubieboard4 has dried up even though > it's marked to be included in the next release. The only issue I've found > with cubieboard2/3 - which is definitely the way to go - is that if you run > the boards with the pre-built images for a long time then the xapi stack > chews up all of the microsd memory by writing a lot to syslog. If you > rebuild the image with the xapi commented out of the build scripts then it > works fine. > > Incidentally, next iteration of cubieboard - 5 - uses the allwinner h8 - > which has the A53's, is 64 bits running arm architecture v8. Do you have a reference for this? According to Wikipedia, the H8 has A7s: https://en.wikipedia.org/wiki/Allwinner_Technology#A_and_H-Series (the 8 referring to the number of cores, not the ARM architecture version) -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 13:27:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 13:27:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxDC-0005T8-RJ; Thu, 27 Aug 2015 13:27:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxDB-0005T3-H2 for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 13:27:25 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id BC/A9-24856-C301FD55; Thu, 27 Aug 2015 13:27:24 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1440682043!26856730!1 X-Originating-IP: [157.55.2.107] X-SpamReason: No, hits=0.1 required=7.0 tests=FORGED_HOTMAIL_RCVD X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8216 invoked from network); 27 Aug 2015 13:27:24 -0000 Received: from dub004-omc4s32.hotmail.com (HELO DUB004-OMC4S32.hotmail.com) (157.55.2.107) by server-11.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 27 Aug 2015 13:27:24 -0000 Received: from DUB407-EAS282 ([157.55.2.72]) by DUB004-OMC4S32.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 27 Aug 2015 06:27:23 -0700 X-TMN: [xgZLI9Ijo05jKE+64K8OCw97d6yFuiD1] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: Date: Thu, 27 Aug 2015 14:27:22 +0100 From: buzz heavyyear To: Thomas Leonard MIME-Version: 1.0 Importance: normal X-OriginalArrivalTime: 27 Aug 2015 13:27:23.0589 (UTC) FILETIME=[1BAB0F50:01D0E0CC] Cc: Richard Mortier , mirageos-devel@lists.xenproject.org, Anil Madhavapeddy Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Bah, you're absolutely right, I saw the H and, in my excitement, scrambled the link between eye and brain and concluded that it was the A64/H64, which have arm A53s. --- Original Message --- From: "Thomas Leonard" Sent: 27 August 2015 2:08 pm To: "Nick Betteridge" Cc: "Anil Madhavapeddy" , "Richard Mortier" , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS On 27 August 2015 at 07:01, Nick Betteridge wrote: > > Definitely recommend the Cubieboard2 or Cubietruck. > > I think that the sunxi development of cubieboard4 has dried up even though > it's marked to be included in the next release. The only issue I've found > with cubieboard2/3 - which is definitely the way to go - is that if you run > the boards with the pre-built images for a long time then the xapi stack > chews up all of the microsd memory by writing a lot to syslog. If you > rebuild the image with the xapi commented out of the build scripts then it > works fine. > > Incidentally, next iteration of cubieboard - 5 - uses the allwinner h8 - > which has the A53's, is 64 bits running arm architecture v8. Do you have a reference for this? According to Wikipedia, the H8 has A7s: https://en.wikipedia.org/wiki/Allwinner_Technology#A_and_H-Series (the 8 referring to the number of cores, not the ARM architecture version) -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 13:27:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 13:27:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxDC-0005T8-RJ; Thu, 27 Aug 2015 13:27:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxDB-0005T3-H2 for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 13:27:25 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id BC/A9-24856-C301FD55; Thu, 27 Aug 2015 13:27:24 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1440682043!26856730!1 X-Originating-IP: [157.55.2.107] X-SpamReason: No, hits=0.1 required=7.0 tests=FORGED_HOTMAIL_RCVD X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8216 invoked from network); 27 Aug 2015 13:27:24 -0000 Received: from dub004-omc4s32.hotmail.com (HELO DUB004-OMC4S32.hotmail.com) (157.55.2.107) by server-11.tower-206.messagelabs.com with AES256-SHA encrypted SMTP; 27 Aug 2015 13:27:24 -0000 Received: from DUB407-EAS282 ([157.55.2.72]) by DUB004-OMC4S32.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 27 Aug 2015 06:27:23 -0700 X-TMN: [xgZLI9Ijo05jKE+64K8OCw97d6yFuiD1] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: Date: Thu, 27 Aug 2015 14:27:22 +0100 From: buzz heavyyear To: Thomas Leonard MIME-Version: 1.0 Importance: normal X-OriginalArrivalTime: 27 Aug 2015 13:27:23.0589 (UTC) FILETIME=[1BAB0F50:01D0E0CC] Cc: Richard Mortier , mirageos-devel@lists.xenproject.org, Anil Madhavapeddy Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Bah, you're absolutely right, I saw the H and, in my excitement, scrambled the link between eye and brain and concluded that it was the A64/H64, which have arm A53s. --- Original Message --- From: "Thomas Leonard" Sent: 27 August 2015 2:08 pm To: "Nick Betteridge" Cc: "Anil Madhavapeddy" , "Richard Mortier" , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS On 27 August 2015 at 07:01, Nick Betteridge wrote: > > Definitely recommend the Cubieboard2 or Cubietruck. > > I think that the sunxi development of cubieboard4 has dried up even though > it's marked to be included in the next release. The only issue I've found > with cubieboard2/3 - which is definitely the way to go - is that if you run > the boards with the pre-built images for a long time then the xapi stack > chews up all of the microsd memory by writing a lot to syslog. If you > rebuild the image with the xapi commented out of the build scripts then it > works fine. > > Incidentally, next iteration of cubieboard - 5 - uses the allwinner h8 - > which has the A53's, is 64 bits running arm architecture v8. Do you have a reference for this? According to Wikipedia, the H8 has A7s: https://en.wikipedia.org/wiki/Allwinner_Technology#A_and_H-Series (the 8 referring to the number of cores, not the ARM architecture version) -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 13:36:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 13:36:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxLk-0005sm-Ma; Thu, 27 Aug 2015 13:36:16 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxLj-0005sh-IK for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 13:36:15 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id FE/9B-19110-B421FD55; Thu, 27 Aug 2015 13:36:11 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1440682570!44534178!1 X-Originating-IP: [157.55.2.88] X-SpamReason: No, hits=0.4 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16023 invoked from network); 27 Aug 2015 13:36:10 -0000 Received: from dub004-omc4s13.hotmail.com (HELO DUB004-OMC4S13.hotmail.com) (157.55.2.88) by server-14.tower-27.messagelabs.com with AES256-SHA encrypted SMTP; 27 Aug 2015 13:36:10 -0000 Received: from DUB407-EAS55 ([157.55.2.71]) by DUB004-OMC4S13.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 27 Aug 2015 06:36:09 -0700 X-TMN: [enEpQD6ZQ9yGwBL+agw2JY8RsbEB198f] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: Date: Thu, 27 Aug 2015 14:36:08 +0100 From: buzz heavyyear To: Anil Madhavapeddy MIME-Version: 1.0 Importance: normal X-OriginalArrivalTime: 27 Aug 2015 13:36:09.0868 (UTC) FILETIME=[555ADCC0:01D0E0CD] Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1579354279282334776==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1579354279282334776== Content-Type: multipart/alternative; boundary="_6b45737f-b223-4760-bfc9-6c0c85e6feb7_" --_6b45737f-b223-4760-bfc9-6c0c85e6feb7_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Not too sure if the progress on cubie4 has completely stopped but spoke wit= h one of the guys that has contributed a lot of the Merrii optimus board (A= 80) code who indicated as much. I'll try and dig up some more information w= hen I get back to the uk. Yes=2C firing up some arm A53s running mirage would be a great demonstrator= . I'll look around for a suitable board. --- Original Message --- From: "Anil Madhavapeddy" Sent: 27 August 2015 1:26 pm To: "Nick Betteridge" Cc: "Richard Mortier" =2C mirageos-devel@lists.xenproject.= org Subject: Re: [MirageOS-devel] Recommended device for MirageOS Do you mean that the upstream progress of the Cubie4 has stopped? That's n= ot a good sign -- although the 64 bit v8 architecture in the next rev is ve= ry exciting indeed! OCaml trunk has a native code generator for it=2C whic= h works well enough in my qemu testing so far=2C so Mirage itself shouldn't= be very difficult to get running. -a > On 27 Aug 2015=2C at 07:01=2C Nick Betteridge = wrote: > > > Definitely recommend the Cubieboard2 or Cubietruck. > > I think that the sunxi development of cubieboard4 has dried up even thoug= h it's marked to be included in the next release. The only issue I've found= with cubieboard2/3 - which is definitely the way to go - is that if you ru= n the boards with the pre-built images for a long time then the xapi stack = chews up all of the microsd memory by writing a lot to syslog. If you rebui= ld the image with the xapi commented out of the build scripts then it works= fine. > > Incidentally=2C next iteration of cubieboard - 5 - uses the allwinner h8 = - which has the A53's=2C is 64 bits running arm architecture v8. > > Nick > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --_6b45737f-b223-4760-bfc9-6c0c85e6feb7_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"
Not too sure if the progress on cubie4 has complet= ely stopped but spoke with one of the guys that has contributed a lot of th= e Merrii optimus board (A80) code who indicated as much. I'll try and dig u= p some more information when I get back to the uk.

Yes=2C firing up some arm A53s running mirage would be a great demonstrator= . I'll look around for a suitable board.

--- Original Message ---

From: "=3BAnil Madhavapeddy"=3B <=3Banil@recoil.org>=3B
Sent: 27 August 2015 1:26 pm
To: "=3BNick Betteridge"=3B <=3Bbuzzheavyyear@hotmail.com>=3B Cc: "=3BRichard Mortier"=3B <=3Bmort@cantab.net>=3B=2C mirageos= -devel@lists.xenproject.org
Subject: Re: [MirageOS-devel] Recommended device for MirageOS

Do you mean that the upstrea= m progress of the Cubie4 has stopped?  =3BThat's not a good sign -- alt= hough the 64 bit v8 architecture in the next rev is very exciting indeed! &= nbsp=3BOCaml trunk has a native code generator for it=2C which works well enough in my qemu testing so far=2C so Mirage itsel= f shouldn't be very difficult to get running.

-a

On 27 Aug 2015=2C at 07:01=2C Nick Betteridge <=3Bbuzzheavyyear@hotmail.com<= /a>>=3B wrote:


Definitely recommend the Cubieboard2 or Cubietruck. =3B =3B

I think that the sunxi development of cubieboard4 has dried up even though = it's marked to be included in the next release. The only issue I've found w= ith cubieboard2/3 - which is definitely the way to go - is that if you run = the boards with the pre-built images for a long time then the xapi stack chews up all of the microsd memory by = writing a lot to syslog. If you rebuild the image with the xapi commented o= ut of the build scripts then it works fine.

Incidentally=2C next iteration of cubieboard - 5 - uses the allwinner h8 - = which has the A53's=2C is 64 bits running arm architecture v8.

Nick
____________________= ___________________________
MirageOS-devel mailing list
MirageOS-deve= l@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

--_6b45737f-b223-4760-bfc9-6c0c85e6feb7_-- --===============1579354279282334776== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1579354279282334776==-- From mirageos-devel-bounces@lists.xenproject.org Thu Aug 27 13:36:23 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 27 Aug 2015 13:36:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxLk-0005sm-Ma; Thu, 27 Aug 2015 13:36:16 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZUxLj-0005sh-IK for mirageos-devel@lists.xenproject.org; Thu, 27 Aug 2015 13:36:15 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id FE/9B-19110-B421FD55; Thu, 27 Aug 2015 13:36:11 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1440682570!44534178!1 X-Originating-IP: [157.55.2.88] X-SpamReason: No, hits=0.4 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16023 invoked from network); 27 Aug 2015 13:36:10 -0000 Received: from dub004-omc4s13.hotmail.com (HELO DUB004-OMC4S13.hotmail.com) (157.55.2.88) by server-14.tower-27.messagelabs.com with AES256-SHA encrypted SMTP; 27 Aug 2015 13:36:10 -0000 Received: from DUB407-EAS55 ([157.55.2.71]) by DUB004-OMC4S13.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 27 Aug 2015 06:36:09 -0700 X-TMN: [enEpQD6ZQ9yGwBL+agw2JY8RsbEB198f] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: Date: Thu, 27 Aug 2015 14:36:08 +0100 From: buzz heavyyear To: Anil Madhavapeddy MIME-Version: 1.0 Importance: normal X-OriginalArrivalTime: 27 Aug 2015 13:36:09.0868 (UTC) FILETIME=[555ADCC0:01D0E0CD] Cc: Richard Mortier , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Recommended device for MirageOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1579354279282334776==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1579354279282334776== Content-Type: multipart/alternative; boundary="_6b45737f-b223-4760-bfc9-6c0c85e6feb7_" --_6b45737f-b223-4760-bfc9-6c0c85e6feb7_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Not too sure if the progress on cubie4 has completely stopped but spoke wit= h one of the guys that has contributed a lot of the Merrii optimus board (A= 80) code who indicated as much. I'll try and dig up some more information w= hen I get back to the uk. Yes=2C firing up some arm A53s running mirage would be a great demonstrator= . I'll look around for a suitable board. --- Original Message --- From: "Anil Madhavapeddy" Sent: 27 August 2015 1:26 pm To: "Nick Betteridge" Cc: "Richard Mortier" =2C mirageos-devel@lists.xenproject.= org Subject: Re: [MirageOS-devel] Recommended device for MirageOS Do you mean that the upstream progress of the Cubie4 has stopped? That's n= ot a good sign -- although the 64 bit v8 architecture in the next rev is ve= ry exciting indeed! OCaml trunk has a native code generator for it=2C whic= h works well enough in my qemu testing so far=2C so Mirage itself shouldn't= be very difficult to get running. -a > On 27 Aug 2015=2C at 07:01=2C Nick Betteridge = wrote: > > > Definitely recommend the Cubieboard2 or Cubietruck. > > I think that the sunxi development of cubieboard4 has dried up even thoug= h it's marked to be included in the next release. The only issue I've found= with cubieboard2/3 - which is definitely the way to go - is that if you ru= n the boards with the pre-built images for a long time then the xapi stack = chews up all of the microsd memory by writing a lot to syslog. If you rebui= ld the image with the xapi commented out of the build scripts then it works= fine. > > Incidentally=2C next iteration of cubieboard - 5 - uses the allwinner h8 = - which has the A53's=2C is 64 bits running arm architecture v8. > > Nick > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --_6b45737f-b223-4760-bfc9-6c0c85e6feb7_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"
Not too sure if the progress on cubie4 has complet= ely stopped but spoke with one of the guys that has contributed a lot of th= e Merrii optimus board (A80) code who indicated as much. I'll try and dig u= p some more information when I get back to the uk.

Yes=2C firing up some arm A53s running mirage would be a great demonstrator= . I'll look around for a suitable board.

--- Original Message ---

From: "=3BAnil Madhavapeddy"=3B <=3Banil@recoil.org>=3B
Sent: 27 August 2015 1:26 pm
To: "=3BNick Betteridge"=3B <=3Bbuzzheavyyear@hotmail.com>=3B Cc: "=3BRichard Mortier"=3B <=3Bmort@cantab.net>=3B=2C mirageos= -devel@lists.xenproject.org
Subject: Re: [MirageOS-devel] Recommended device for MirageOS

Do you mean that the upstrea= m progress of the Cubie4 has stopped?  =3BThat's not a good sign -- alt= hough the 64 bit v8 architecture in the next rev is very exciting indeed! &= nbsp=3BOCaml trunk has a native code generator for it=2C which works well enough in my qemu testing so far=2C so Mirage itsel= f shouldn't be very difficult to get running.

-a

On 27 Aug 2015=2C at 07:01=2C Nick Betteridge <=3Bbuzzheavyyear@hotmail.com<= /a>>=3B wrote:


Definitely recommend the Cubieboard2 or Cubietruck. =3B =3B

I think that the sunxi development of cubieboard4 has dried up even though = it's marked to be included in the next release. The only issue I've found w= ith cubieboard2/3 - which is definitely the way to go - is that if you run = the boards with the pre-built images for a long time then the xapi stack chews up all of the microsd memory by = writing a lot to syslog. If you rebuild the image with the xapi commented o= ut of the build scripts then it works fine.

Incidentally=2C next iteration of cubieboard - 5 - uses the allwinner h8 - = which has the A53's=2C is 64 bits running arm architecture v8.

Nick
____________________= ___________________________
MirageOS-devel mailing list
MirageOS-deve= l@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-d= evel

--_6b45737f-b223-4760-bfc9-6c0c85e6feb7_-- --===============1579354279282334776== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1579354279282334776==-- From mirageos-devel-bounces@lists.xenproject.org Fri Aug 28 09:35:34 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 28 Aug 2015 09:35:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZVG40-0004rC-FI; Fri, 28 Aug 2015 09:35:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZVG3y-0004r7-LG for mirageos-devel@lists.xenproject.org; Fri, 28 Aug 2015 09:35:10 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 10/A3-29649-D4B20E55; Fri, 28 Aug 2015 09:35:09 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1440754507!38897130!1 X-Originating-IP: [209.85.213.54] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5906 invoked from network); 28 Aug 2015 09:35:08 -0000 Received: from mail-vk0-f54.google.com (HELO mail-vk0-f54.google.com) (209.85.213.54) by server-15.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 28 Aug 2015 09:35:08 -0000 Received: by vkhf67 with SMTP id f67so6950022vkh.1 for ; Fri, 28 Aug 2015 02:35:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=anrl1QhqVSDKLeMjhQzLvvpWTuQiYOW3zNdiq2TIIH8=; b=EhH2FYFbDoifrJdM7e8ktg4D9TcB7H1/yZlnDb5bW5mWd5fE26bsgzAXPpff17b2vW ohZHdNfmtEr6tbFCPCdvulwhJUIZjVyCo24m5N7H9zhf86Y4oxcyWisgBAPRhUyQ3SGD st9mQxrSq09Lj0Tw8MbT1qnpLno8851SBpAubaWe7KTZBDDsadp9t9dr5vVHfkAZj7RB hlHqqJ7T3ThdED606W94GOGnM1Try4T4QmWEmHvtNKjHHvhZQdwZ0L6I2WnKq63R+i2c L/HFXjk8957M8n1V6BApD2O36GpkJ4qc//En/F/cJdJdOZ1esJzRDJMRvVOekj48b/oL +PWQ== MIME-Version: 1.0 X-Received: by 10.52.249.78 with SMTP id ys14mr8383923vdc.87.1440754506777; Fri, 28 Aug 2015 02:35:06 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 28 Aug 2015 02:35:06 -0700 (PDT) In-Reply-To: References: Date: Fri, 28 Aug 2015 10:35:06 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 17:10, Thomas Leonard wrote: > On 10 August 2015 at 15:05, Thomas Leonard wrote: >> On 10 August 2015 at 13:51, Thomas Gazagnaire wrote: >>> Hi all, >>> >>> There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. > [...] >>> 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. >> >> No surprise that I agree with this ;-) >> >> Another reason to make an explicit Repository.t: Irmin currently makes >> some "global" state when you apply the functors. For example, I have >> to re-apply the Irmin.Basic functor to Irmin_mem.Make every time I >> want a fresh in-memory store. Having a Repository.t lets you do the >> set up operations for a repository once, not once per branch (too >> often) or once per functor application (surprising hidden state). > > Another reason for an explicit Repository.t is that for > database-backed stores you only want to open one database connection > per repository. > > Currently, when you do Store.create/of_tag/of_head, BC creates the > internal Contents, Node, Commit and Tag stores, each of which opens a > separate connection. > > Is there any way with the current API I can share this? Currently, I'm > thinking of creating a hash table that maps database names to > connections and caching them there, but that's quite ugly. > > It's a particular issue at the moment because I want Irmin-IndexedDB > to test for an old Irmin-format repository and upgrade it to > Git-format automatically, but there's no obvious place to do the test. > I guess I could have Contents notice the upgrade is needed and update > the Tags table at the same time, but that's messy too. > > (also, a "Repository.close" function would be nice) I'm currently experimenting with adding a "connect" method to BC so that you connect to a repository first, and then use that to get additional branches: https://github.com/mirage/irmin/pull/275 One problem I have is with the task-maker functions that get passed around everywhere. Currently, you specify the task-maker when you open a branch. You then pass a value of the appropriate type to the response to get the store, e.g. let task_of_msg x = Irmin.Task.create ... in Store.create conf task_of_msg >>= fun store_maker -> let store = store_maker "unused string" in Store.read store ... I think this API is pretty strange and confusing anyway, but it's a particular problem for sharing connections because we don't want to create a new connection every time the user wants a new commit message. I know this design came out of previous discussions: http://lists.xenproject.org/archives/html/mirageos-devel/2014-11/msg00154.html But I'm not really clear on what the original aims were and whether the current design meets them (it looks like it was intended to convey some other context, but now it's just the commit message). The problem is that my BC.connect method shouldn't take a task-maker argument, but internally it needs to create the various backing stores (contents, node, commit and tag) and these currently require a task-maker. [ And ideally, it would make more sense to me if you only specified the commit message when making a commit. The rest of the strings just get thrown away, I think. ] -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Aug 28 09:35:34 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 28 Aug 2015 09:35:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZVG40-0004rC-FI; Fri, 28 Aug 2015 09:35:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZVG3y-0004r7-LG for mirageos-devel@lists.xenproject.org; Fri, 28 Aug 2015 09:35:10 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 10/A3-29649-D4B20E55; Fri, 28 Aug 2015 09:35:09 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1440754507!38897130!1 X-Originating-IP: [209.85.213.54] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5906 invoked from network); 28 Aug 2015 09:35:08 -0000 Received: from mail-vk0-f54.google.com (HELO mail-vk0-f54.google.com) (209.85.213.54) by server-15.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 28 Aug 2015 09:35:08 -0000 Received: by vkhf67 with SMTP id f67so6950022vkh.1 for ; Fri, 28 Aug 2015 02:35:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=anrl1QhqVSDKLeMjhQzLvvpWTuQiYOW3zNdiq2TIIH8=; b=EhH2FYFbDoifrJdM7e8ktg4D9TcB7H1/yZlnDb5bW5mWd5fE26bsgzAXPpff17b2vW ohZHdNfmtEr6tbFCPCdvulwhJUIZjVyCo24m5N7H9zhf86Y4oxcyWisgBAPRhUyQ3SGD st9mQxrSq09Lj0Tw8MbT1qnpLno8851SBpAubaWe7KTZBDDsadp9t9dr5vVHfkAZj7RB hlHqqJ7T3ThdED606W94GOGnM1Try4T4QmWEmHvtNKjHHvhZQdwZ0L6I2WnKq63R+i2c L/HFXjk8957M8n1V6BApD2O36GpkJ4qc//En/F/cJdJdOZ1esJzRDJMRvVOekj48b/oL +PWQ== MIME-Version: 1.0 X-Received: by 10.52.249.78 with SMTP id ys14mr8383923vdc.87.1440754506777; Fri, 28 Aug 2015 02:35:06 -0700 (PDT) Received: by 10.31.65.144 with HTTP; Fri, 28 Aug 2015 02:35:06 -0700 (PDT) In-Reply-To: References: Date: Fri, 28 Aug 2015 10:35:06 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 17:10, Thomas Leonard wrote: > On 10 August 2015 at 15:05, Thomas Leonard wrote: >> On 10 August 2015 at 13:51, Thomas Gazagnaire wrote: >>> Hi all, >>> >>> There are still parts in the Irmin API that I am not very happy about, so I send an email to get feedback from all the early users to check if they share my views. > [...] >>> 4. The Irmin API conflates the Git repository configuration and branch state into an Irmin store handler. For some operations (as listing all the branches in a repository) it doesn't make really sense. Maybe it's too confusing and you don't want that. See Cuekeeper'API[2] which exposes a different API, closer to what Git offers. >> >> No surprise that I agree with this ;-) >> >> Another reason to make an explicit Repository.t: Irmin currently makes >> some "global" state when you apply the functors. For example, I have >> to re-apply the Irmin.Basic functor to Irmin_mem.Make every time I >> want a fresh in-memory store. Having a Repository.t lets you do the >> set up operations for a repository once, not once per branch (too >> often) or once per functor application (surprising hidden state). > > Another reason for an explicit Repository.t is that for > database-backed stores you only want to open one database connection > per repository. > > Currently, when you do Store.create/of_tag/of_head, BC creates the > internal Contents, Node, Commit and Tag stores, each of which opens a > separate connection. > > Is there any way with the current API I can share this? Currently, I'm > thinking of creating a hash table that maps database names to > connections and caching them there, but that's quite ugly. > > It's a particular issue at the moment because I want Irmin-IndexedDB > to test for an old Irmin-format repository and upgrade it to > Git-format automatically, but there's no obvious place to do the test. > I guess I could have Contents notice the upgrade is needed and update > the Tags table at the same time, but that's messy too. > > (also, a "Repository.close" function would be nice) I'm currently experimenting with adding a "connect" method to BC so that you connect to a repository first, and then use that to get additional branches: https://github.com/mirage/irmin/pull/275 One problem I have is with the task-maker functions that get passed around everywhere. Currently, you specify the task-maker when you open a branch. You then pass a value of the appropriate type to the response to get the store, e.g. let task_of_msg x = Irmin.Task.create ... in Store.create conf task_of_msg >>= fun store_maker -> let store = store_maker "unused string" in Store.read store ... I think this API is pretty strange and confusing anyway, but it's a particular problem for sharing connections because we don't want to create a new connection every time the user wants a new commit message. I know this design came out of previous discussions: http://lists.xenproject.org/archives/html/mirageos-devel/2014-11/msg00154.html But I'm not really clear on what the original aims were and whether the current design meets them (it looks like it was intended to convey some other context, but now it's just the commit message). The problem is that my BC.connect method shouldn't take a task-maker argument, but internally it needs to create the various backing stores (contents, node, commit and tag) and these currently require a task-maker. [ And ideally, it would make more sense to me if you only specified the commit message when making a commit. The rest of the strings just get thrown away, I think. ] -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Aug 30 17:36:13 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 30 Aug 2015 17:36:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZW6WN-0000Pd-Rg; Sun, 30 Aug 2015 17:35:59 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZW6WN-0000PY-EF for MirageOS-devel@lists.xenproject.org; Sun, 30 Aug 2015 17:35:59 +0000 Received: from [193.109.254.147] by server-13.bemta-14.messagelabs.com id EE/DD-12371-EFE33E55; Sun, 30 Aug 2015 17:35:58 +0000 X-Env-Sender: gareth@morethanseven.net X-Msg-Ref: server-5.tower-27.messagelabs.com!1440956156!33827261!1 X-Originating-IP: [209.85.213.170] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17230 invoked from network); 30 Aug 2015 17:35:57 -0000 Received: from mail-ig0-f170.google.com (HELO mail-ig0-f170.google.com) (209.85.213.170) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Aug 2015 17:35:57 -0000 Received: by igbut12 with SMTP id ut12so4268948igb.0 for ; Sun, 30 Aug 2015 10:35:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=lntLt2HfxP4/trTA5qP/OnFvLuX0TnU+E0U50imy9C4=; b=NldPjPzl/PHUpFhfLL1ctxH+fULxasLN4GJcQDRJ01fd1vcvh0GKRw6BrgsixPHHl1 vRFnPvCRCuzaPKQ5s6YbT3NPi7kA25AwlQtphlj9xbRgm5w2H98wYi1e47JPq+Mz5dGl jPNIN6bLINNqV6kiPGVD0AScebuIf203O3UGNbLtiZh3TY9rYFmWXjEEpFkcuxgI1Dfn IlQGlV6b128fOox/Qxk2ShSnUBJD0Jx4/g884OSLX06OA+Y6hMeQzKa6O/DQWMq1wxgm q7p+fcuPtNFEcME+rUZawKaGWsQVMN352ggV+qqLYBAmVwQdwcP2ta5uSog5/i9LWip7 Bicg== X-Gm-Message-State: ALoCoQkn9kmyNouhLjr98IXeQC/VNCrxXgVSVVNU8XOdPw2frbPhIgRcDbotNxcaL30SfW1kou+e MIME-Version: 1.0 X-Received: by 10.50.87.98 with SMTP id w2mr11787722igz.60.1440956155821; Sun, 30 Aug 2015 10:35:55 -0700 (PDT) Received: by 10.107.19.99 with HTTP; Sun, 30 Aug 2015 10:35:55 -0700 (PDT) In-Reply-To: References: Date: Sun, 30 Aug 2015 18:35:55 +0100 Message-ID: From: Gareth Rushgrove To: Thomas Leonard Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 12:46, Thomas Leonard wrote: > On 22 August 2015 at 18:37, Gareth Rushgrove wrote: >> On 22 August 2015 at 12:34, Thomas Leonard wrote: >>> On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >>>> I'd managed to get a bunch of throughts out of how head an into blog >>>> post form, on the theme of operating unikernels. >>>> >>>> The general gist is, assuming unikernels are awesome, how do we build >>>> and run production systems based on them? >>>> >>>> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >>>> >>>> This is mainly a list of problems, I'd love to heard from anyone who >>>> has done any hard thinking on any of them or cut any tools in this >>>> space. >>> >>> Hi Gareth, >>> >>> A few thoughts: >>> >> >> Thanks for replying. >> >>> >>> "How do I compose several unikernels together to build an application?" >>> >>> I think you answer this later, in the Orchestration section: the same >>> way we do with other VMs/containers - using Docker Compose, Ubuntu >>> Juju, etc. I haven't built anything big enough to need this yet >>> though. >>> >> >> That's my view as well (CloudFoundry or Kubernetes model would appear >> to work?) but I've not seen anyone doing this yet. Which probably >> means gaps exist when you actually try :) If anyone takes a run at >> this I'd certainly be interested, I'm guessing Lattice >> [http://lattice.cf/] might be a nice place to start? > > Me too. Since Mirage services can also be compiled as Unix binaries it > should be possible to test deployment configuration using existing > systems right now. Then, it's "just" a matter of teaching the > deployment system to deploy unikernel VMs directly, rather than > deploying Linux VMs containing the service. > >>> What does a Continuous integration or deployment pipeline look like? >>> >>> Amir gives an example in "Towards Heroku for Unikernels: Part 1 - >>> Automated deployment": >>> >>> http://amirchaudhry.com/heroku-for-unikernels-pt1/ >> >> While an example of what's possible I don't think this is the highly >> opinionated high-level interface that would be required to make it >> easy to get started. Githooks, Makefiles and shell scripts are great >> for prototypes but don't tend to make for a great experience in my >> view. The skeleton is great, but only covers running unit tests and >> only on Travis. Test Kitchen [http://kitchen.ci/] is maybe a nice >> model to look at - as a thought experiment "what would Test Kitchen >> for Mirage look like?" > > Amir, any thoughts on this? I don't see any reason why the deployment > scripts can't be made generic and packaged up. > >>> "By removing the operating system we remove things like host firewalls ..." >>> >>> I see two main uses for firewalls. One is to avoid accidentally >>> exposing a host-only service (e.g. a database used by a web app in the >>> same VM) and the other is to provide basic access contol between VMs >>> (only the web VM can access the DB VM). >>> >>> For the first, two services in the same Mirage unikernel will >>> communicate directly using OCaml datatypes. When everything is a >>> library, using a network for internal communication would be crazy. >> >> At any degree of scale though you're going to be running many >> unikernels across many hosts - so some degree of network communication >> is going to be required (even if you minimise it with locality). Also, >> in most environments some of that integration is going to be with >> non-mirage/ocaml based systems and/or not running on the same >> hosts/datacenters. >> >>> Also, while Linux allows any process to listen on the network, Mirage >>> uses dependency injection so that only components that need network >>> access will be given it. >>> >> >> Yup, which is great. My thoughts were mainly about the second issue... >> >>> For the second, whatever is composing the services should configure >>> the network, in my opinion. In other words, if I say I want my web >>> server VM connected to a database VM, then nothing else should have >>> access to the DB VM. >>> >>> I would certainly like to see a higher-level API for networking, that >>> doesn't allow unexpected connections. e.g. we currently offer services >>> a low-level network API like: >>> >>> val connect : network -> ipaddr -> port -> flow >>> val listen : network -> port -> callback -> unit >>> >>> With this API, a library with network access can connect anywhere in >>> the world by supplying any IP address and port number, and must handle >>> its own encryption. A higher-level capability-style API could offer >>> something more abstract, e.g. >>> >>> module type SturdyRef = sig >>> type t >>> val connect : t -> flow >>> end >>> >>> Here, our web server would simply get a SturdyRef.t for the database, >>> and all it could do would be to connect to it. >>> >> >> Agreed. I just want something like this to exist :) >> >> I also think unikernels could make for really nice network devices >> (firewalls, security controls, proxies, etc.) > > Yes. Here's a simple unikernel for a NAT device, for example: > > https://github.com/yomimono/simple-nat > >> Lots of people are finding the network the limiting factor when they >> start down a microservices rabbit hole in my experience. How would >> unikernels work with some of the newer players in this space like >> Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] >> might be interesting to consider? >> >>> >>> What does debugging a system based on unikernels look like? >>> >>> There's an example here: https://mirage.io/wiki/profiling >>> >>> "As a motivating example, we'll track down a (real, but now fixed) bug >>> in MirageOS's TCP stack." >>> >> >> From an operators point of view that's not really the same thing. The >> issues I see: >> >> * enabling it requires recompilation and redeployment (although you >> could probably put this behind some sort of feature flag?) > > It can be enabled and disabled at run-time, but there's still a > performance cost to having this kind of very detailed tracing > available. I'd certainly like to see more support for general logging > and metrics (the kind of thing you keep on all the time). > I'd love to see a port of the Java metrics library for this purpose. It's been ported to other languages before and would be a great starting point. https://github.com/dropwizard/metrics > On the other hand, I think you should be prepared to recompile and > redeploy your unikernels when needed, and that shouldn't be a big > deal. Trying to modify and redeploy a Linux kernel to get extra debug > is a nightmare, but with a unikernel it can be very easy. > >> * it's not interactive > > You can refresh the view while its running, so if you have something > you can tweak dynamically, you can see what effect it's having. > > >> I think the first is interesting, as the unikernel you're running >> might be provided by a third party vendor and you might not have the >> source code/right to modify/recompile. Or changes might required a >> lengthy change approval process. > > Yes, for binary-only releases you have to compile any needed debug > code into it at all times (or provide a separate debug build). > I'd definitely spend a bit of time thinking about how a feature flag system would be implemented with Mirage based systems, or provide suitable arguments against/alternatives. I'd say it's a core part of modern operations at this point. >> The second might be a matter of debugging at the hypervisor/xen layer >> but I've limited experience there. That also raises isolation issues - >> I probably want to limit access to the hypervisor more than to an >> individual application instance. >> >> I'm obviously mainly in critique mode with the post and points above. >> My main interest is in getting anyone thinking about operational >> problems early, in my view it's a pretty interesting set of issues for >> which good solutions undoutedly exist. > > We need more experience reports here. In my case, all problems have been one of: > > - Why did this take so long? (the disk driver didn't support large > requests and had to split them; the TCP stack set the retransmission > timeout too long) > > - Why did this fail? (some exception details got ignored and replaced > by a generic error; I want to see the original) > > - Why didn't this ever finish? (the ARP reply arrived before we > started waiting for it) > > These questions can all be answered with the existing tracing. What > kind of interactive debugging would be helpful for you? > > When anyone has a hard-to-diagnose problem, I'm interested to see how > Mirage's tracing or error reporting could be improved to make the > problem obvious. > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA -- Gareth Rushgrove @garethr devopsweekly.com morethanseven.net garethrushgrove.com _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Aug 30 17:36:13 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 30 Aug 2015 17:36:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZW6WN-0000Pd-Rg; Sun, 30 Aug 2015 17:35:59 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZW6WN-0000PY-EF for MirageOS-devel@lists.xenproject.org; Sun, 30 Aug 2015 17:35:59 +0000 Received: from [193.109.254.147] by server-13.bemta-14.messagelabs.com id EE/DD-12371-EFE33E55; Sun, 30 Aug 2015 17:35:58 +0000 X-Env-Sender: gareth@morethanseven.net X-Msg-Ref: server-5.tower-27.messagelabs.com!1440956156!33827261!1 X-Originating-IP: [209.85.213.170] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17230 invoked from network); 30 Aug 2015 17:35:57 -0000 Received: from mail-ig0-f170.google.com (HELO mail-ig0-f170.google.com) (209.85.213.170) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Aug 2015 17:35:57 -0000 Received: by igbut12 with SMTP id ut12so4268948igb.0 for ; Sun, 30 Aug 2015 10:35:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=lntLt2HfxP4/trTA5qP/OnFvLuX0TnU+E0U50imy9C4=; b=NldPjPzl/PHUpFhfLL1ctxH+fULxasLN4GJcQDRJ01fd1vcvh0GKRw6BrgsixPHHl1 vRFnPvCRCuzaPKQ5s6YbT3NPi7kA25AwlQtphlj9xbRgm5w2H98wYi1e47JPq+Mz5dGl jPNIN6bLINNqV6kiPGVD0AScebuIf203O3UGNbLtiZh3TY9rYFmWXjEEpFkcuxgI1Dfn IlQGlV6b128fOox/Qxk2ShSnUBJD0Jx4/g884OSLX06OA+Y6hMeQzKa6O/DQWMq1wxgm q7p+fcuPtNFEcME+rUZawKaGWsQVMN352ggV+qqLYBAmVwQdwcP2ta5uSog5/i9LWip7 Bicg== X-Gm-Message-State: ALoCoQkn9kmyNouhLjr98IXeQC/VNCrxXgVSVVNU8XOdPw2frbPhIgRcDbotNxcaL30SfW1kou+e MIME-Version: 1.0 X-Received: by 10.50.87.98 with SMTP id w2mr11787722igz.60.1440956155821; Sun, 30 Aug 2015 10:35:55 -0700 (PDT) Received: by 10.107.19.99 with HTTP; Sun, 30 Aug 2015 10:35:55 -0700 (PDT) In-Reply-To: References: Date: Sun, 30 Aug 2015 18:35:55 +0100 Message-ID: From: Gareth Rushgrove To: Thomas Leonard Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 12:46, Thomas Leonard wrote: > On 22 August 2015 at 18:37, Gareth Rushgrove wrote: >> On 22 August 2015 at 12:34, Thomas Leonard wrote: >>> On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >>>> I'd managed to get a bunch of throughts out of how head an into blog >>>> post form, on the theme of operating unikernels. >>>> >>>> The general gist is, assuming unikernels are awesome, how do we build >>>> and run production systems based on them? >>>> >>>> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >>>> >>>> This is mainly a list of problems, I'd love to heard from anyone who >>>> has done any hard thinking on any of them or cut any tools in this >>>> space. >>> >>> Hi Gareth, >>> >>> A few thoughts: >>> >> >> Thanks for replying. >> >>> >>> "How do I compose several unikernels together to build an application?" >>> >>> I think you answer this later, in the Orchestration section: the same >>> way we do with other VMs/containers - using Docker Compose, Ubuntu >>> Juju, etc. I haven't built anything big enough to need this yet >>> though. >>> >> >> That's my view as well (CloudFoundry or Kubernetes model would appear >> to work?) but I've not seen anyone doing this yet. Which probably >> means gaps exist when you actually try :) If anyone takes a run at >> this I'd certainly be interested, I'm guessing Lattice >> [http://lattice.cf/] might be a nice place to start? > > Me too. Since Mirage services can also be compiled as Unix binaries it > should be possible to test deployment configuration using existing > systems right now. Then, it's "just" a matter of teaching the > deployment system to deploy unikernel VMs directly, rather than > deploying Linux VMs containing the service. > >>> What does a Continuous integration or deployment pipeline look like? >>> >>> Amir gives an example in "Towards Heroku for Unikernels: Part 1 - >>> Automated deployment": >>> >>> http://amirchaudhry.com/heroku-for-unikernels-pt1/ >> >> While an example of what's possible I don't think this is the highly >> opinionated high-level interface that would be required to make it >> easy to get started. Githooks, Makefiles and shell scripts are great >> for prototypes but don't tend to make for a great experience in my >> view. The skeleton is great, but only covers running unit tests and >> only on Travis. Test Kitchen [http://kitchen.ci/] is maybe a nice >> model to look at - as a thought experiment "what would Test Kitchen >> for Mirage look like?" > > Amir, any thoughts on this? I don't see any reason why the deployment > scripts can't be made generic and packaged up. > >>> "By removing the operating system we remove things like host firewalls ..." >>> >>> I see two main uses for firewalls. One is to avoid accidentally >>> exposing a host-only service (e.g. a database used by a web app in the >>> same VM) and the other is to provide basic access contol between VMs >>> (only the web VM can access the DB VM). >>> >>> For the first, two services in the same Mirage unikernel will >>> communicate directly using OCaml datatypes. When everything is a >>> library, using a network for internal communication would be crazy. >> >> At any degree of scale though you're going to be running many >> unikernels across many hosts - so some degree of network communication >> is going to be required (even if you minimise it with locality). Also, >> in most environments some of that integration is going to be with >> non-mirage/ocaml based systems and/or not running on the same >> hosts/datacenters. >> >>> Also, while Linux allows any process to listen on the network, Mirage >>> uses dependency injection so that only components that need network >>> access will be given it. >>> >> >> Yup, which is great. My thoughts were mainly about the second issue... >> >>> For the second, whatever is composing the services should configure >>> the network, in my opinion. In other words, if I say I want my web >>> server VM connected to a database VM, then nothing else should have >>> access to the DB VM. >>> >>> I would certainly like to see a higher-level API for networking, that >>> doesn't allow unexpected connections. e.g. we currently offer services >>> a low-level network API like: >>> >>> val connect : network -> ipaddr -> port -> flow >>> val listen : network -> port -> callback -> unit >>> >>> With this API, a library with network access can connect anywhere in >>> the world by supplying any IP address and port number, and must handle >>> its own encryption. A higher-level capability-style API could offer >>> something more abstract, e.g. >>> >>> module type SturdyRef = sig >>> type t >>> val connect : t -> flow >>> end >>> >>> Here, our web server would simply get a SturdyRef.t for the database, >>> and all it could do would be to connect to it. >>> >> >> Agreed. I just want something like this to exist :) >> >> I also think unikernels could make for really nice network devices >> (firewalls, security controls, proxies, etc.) > > Yes. Here's a simple unikernel for a NAT device, for example: > > https://github.com/yomimono/simple-nat > >> Lots of people are finding the network the limiting factor when they >> start down a microservices rabbit hole in my experience. How would >> unikernels work with some of the newer players in this space like >> Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] >> might be interesting to consider? >> >>> >>> What does debugging a system based on unikernels look like? >>> >>> There's an example here: https://mirage.io/wiki/profiling >>> >>> "As a motivating example, we'll track down a (real, but now fixed) bug >>> in MirageOS's TCP stack." >>> >> >> From an operators point of view that's not really the same thing. The >> issues I see: >> >> * enabling it requires recompilation and redeployment (although you >> could probably put this behind some sort of feature flag?) > > It can be enabled and disabled at run-time, but there's still a > performance cost to having this kind of very detailed tracing > available. I'd certainly like to see more support for general logging > and metrics (the kind of thing you keep on all the time). > I'd love to see a port of the Java metrics library for this purpose. It's been ported to other languages before and would be a great starting point. https://github.com/dropwizard/metrics > On the other hand, I think you should be prepared to recompile and > redeploy your unikernels when needed, and that shouldn't be a big > deal. Trying to modify and redeploy a Linux kernel to get extra debug > is a nightmare, but with a unikernel it can be very easy. > >> * it's not interactive > > You can refresh the view while its running, so if you have something > you can tweak dynamically, you can see what effect it's having. > > >> I think the first is interesting, as the unikernel you're running >> might be provided by a third party vendor and you might not have the >> source code/right to modify/recompile. Or changes might required a >> lengthy change approval process. > > Yes, for binary-only releases you have to compile any needed debug > code into it at all times (or provide a separate debug build). > I'd definitely spend a bit of time thinking about how a feature flag system would be implemented with Mirage based systems, or provide suitable arguments against/alternatives. I'd say it's a core part of modern operations at this point. >> The second might be a matter of debugging at the hypervisor/xen layer >> but I've limited experience there. That also raises isolation issues - >> I probably want to limit access to the hypervisor more than to an >> individual application instance. >> >> I'm obviously mainly in critique mode with the post and points above. >> My main interest is in getting anyone thinking about operational >> problems early, in my view it's a pretty interesting set of issues for >> which good solutions undoutedly exist. > > We need more experience reports here. In my case, all problems have been one of: > > - Why did this take so long? (the disk driver didn't support large > requests and had to split them; the TCP stack set the retransmission > timeout too long) > > - Why did this fail? (some exception details got ignored and replaced > by a generic error; I want to see the original) > > - Why didn't this ever finish? (the ARP reply arrived before we > started waiting for it) > > These questions can all be answered with the existing tracing. What > kind of interactive debugging would be helpful for you? > > When anyone has a hard-to-diagnose problem, I'm interested to see how > Mirage's tracing or error reporting could be improved to make the > problem obvious. > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA -- Gareth Rushgrove @garethr devopsweekly.com morethanseven.net garethrushgrove.com _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 31 20:01:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 31 Aug 2015 20:01:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZWVGJ-0003TG-Ou; Mon, 31 Aug 2015 20:01:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZWVGI-0003TB-2u for MirageOS-devel@lists.xenproject.org; Mon, 31 Aug 2015 20:01:02 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 50/E3-03763-D72B4E55; Mon, 31 Aug 2015 20:01:01 +0000 X-Env-Sender: justin@specialbusservice.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1441051260!39852250!1 X-Originating-IP: [209.85.212.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3737 invoked from network); 31 Aug 2015 20:01:00 -0000 Received: from mail-wi0-f172.google.com (HELO mail-wi0-f172.google.com) (209.85.212.172) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 31 Aug 2015 20:01:00 -0000 Received: by wibq14 with SMTP id q14so11068871wib.0 for ; Mon, 31 Aug 2015 13:01:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=specialbusservice.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=m06usPYewawn2vlssR6AkZ5QcRv6XpAsT9zUS1JGGgU=; b=HwV3dNhbB5b5hsxO6RslgYXuxEgWTNR5c5oE8B0S/+tnImiHHtX6qNHG3pO4USRDwz A/AyoWCUOvXwP7UA/TjZkgFDP72LPDgHYk8KEJvwnqXz/Sk/0A9VjDyVPp1mHB4LlSYh FN9TAbwUY7nd5t08McFTSacmUx2XEtXBgyj84= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=m06usPYewawn2vlssR6AkZ5QcRv6XpAsT9zUS1JGGgU=; b=J9jKKNDk3GugkfbAqs19JM9pqvtb2tl697hNvQPtSSzyhTuH7H5eMVxLn2OaAZgo07 yO4Th2JBBvSa5Am0vSyNZNxwWWYezMm7Mi1gNlZDEvndBRZ65D/N4q/5DdXjp0W/eB6d rB8V2LpjtqnW8b1ZjosiAmjlDbdZd70/S5Yoerri5IVBdqxgh8xfFL8l6fW2DA9iJry7 2VRWLKaJVkje5ZV9o7fYhb+fAMTDHnIyVcTyWFwOURZlH+y+Wk/8zsGE3apyDCkQ4nSK WZx24FEeczVbIEequ6C7uDBOcCavDxfVcbVmbbHL8w5zg02O/cyqxhK+aYPbXzi6K7gF F99g== X-Gm-Message-State: ALoCoQmCGnpkJDEwNbItRwhRfKWXs+BP09/nKV1Eqmrwodbc9Q+AYCgoUDsgo5OgrNaN8CFkHnSL MIME-Version: 1.0 X-Received: by 10.180.218.66 with SMTP id pe2mr272094wic.69.1441051260096; Mon, 31 Aug 2015 13:01:00 -0700 (PDT) Received: by 10.28.176.131 with HTTP; Mon, 31 Aug 2015 13:01:00 -0700 (PDT) In-Reply-To: References: Date: Mon, 31 Aug 2015 21:01:00 +0100 Message-ID: From: Justin Cormack To: Thomas Leonard Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 12:46, Thomas Leonard wrote: > On 22 August 2015 at 18:37, Gareth Rushgrove wrote: >> On 22 August 2015 at 12:34, Thomas Leonard wrote: >>> On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >>>> I'd managed to get a bunch of throughts out of how head an into blog >>>> post form, on the theme of operating unikernels. >>>> >>>> The general gist is, assuming unikernels are awesome, how do we build >>>> and run production systems based on them? >>>> >>>> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >>>> >>>> This is mainly a list of problems, I'd love to heard from anyone who >>>> has done any hard thinking on any of them or cut any tools in this >>>> space. >>> >>> Hi Gareth, >>> >>> A few thoughts: >>> >> >> Thanks for replying. >> >>> >>> "How do I compose several unikernels together to build an application?" >>> >>> I think you answer this later, in the Orchestration section: the same >>> way we do with other VMs/containers - using Docker Compose, Ubuntu >>> Juju, etc. I haven't built anything big enough to need this yet >>> though. >>> >> >> That's my view as well (CloudFoundry or Kubernetes model would appear >> to work?) but I've not seen anyone doing this yet. Which probably >> means gaps exist when you actually try :) If anyone takes a run at >> this I'd certainly be interested, I'm guessing Lattice >> [http://lattice.cf/] might be a nice place to start? > > Me too. Since Mirage services can also be compiled as Unix binaries it > should be possible to test deployment configuration using existing > systems right now. Then, it's "just" a matter of teaching the > deployment system to deploy unikernel VMs directly, rather than > deploying Linux VMs containing the service. Yes, unikernels compiled for userspace are much easier to deploy using existing tools, eg I have some almost like standard Docker userspace rump kernels, which you can just docker run, eg https://hub.docker.com/r/justincormack/rump-nginx-lua/ I tend to agree with Gareth though that the Xen interfaces are not very well supported, as most people use Xen via cloud APIs not directly, and this needs work, have some ideas here. >> I also think unikernels could make for really nice network devices >> (firewalls, security controls, proxies, etc.) > > Yes. Here's a simple unikernel for a NAT device, for example: > > https://github.com/yomimono/simple-nat > >> Lots of people are finding the network the limiting factor when they >> start down a microservices rabbit hole in my experience. How would >> unikernels work with some of the newer players in this space like >> Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] >> might be interesting to consider? Calico should "just work", I do intend to try it soon. Mirage doesn't support encapsulated networking weave or vxlan style, and interfacing with the current implementations would add even more performance hit I suspect due to the mismatch of the kernel/userspace mix. Justin _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Aug 31 20:01:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 31 Aug 2015 20:01:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZWVGJ-0003TG-Ou; Mon, 31 Aug 2015 20:01:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZWVGI-0003TB-2u for MirageOS-devel@lists.xenproject.org; Mon, 31 Aug 2015 20:01:02 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 50/E3-03763-D72B4E55; Mon, 31 Aug 2015 20:01:01 +0000 X-Env-Sender: justin@specialbusservice.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1441051260!39852250!1 X-Originating-IP: [209.85.212.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3737 invoked from network); 31 Aug 2015 20:01:00 -0000 Received: from mail-wi0-f172.google.com (HELO mail-wi0-f172.google.com) (209.85.212.172) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 31 Aug 2015 20:01:00 -0000 Received: by wibq14 with SMTP id q14so11068871wib.0 for ; Mon, 31 Aug 2015 13:01:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=specialbusservice.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=m06usPYewawn2vlssR6AkZ5QcRv6XpAsT9zUS1JGGgU=; b=HwV3dNhbB5b5hsxO6RslgYXuxEgWTNR5c5oE8B0S/+tnImiHHtX6qNHG3pO4USRDwz A/AyoWCUOvXwP7UA/TjZkgFDP72LPDgHYk8KEJvwnqXz/Sk/0A9VjDyVPp1mHB4LlSYh FN9TAbwUY7nd5t08McFTSacmUx2XEtXBgyj84= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=m06usPYewawn2vlssR6AkZ5QcRv6XpAsT9zUS1JGGgU=; b=J9jKKNDk3GugkfbAqs19JM9pqvtb2tl697hNvQPtSSzyhTuH7H5eMVxLn2OaAZgo07 yO4Th2JBBvSa5Am0vSyNZNxwWWYezMm7Mi1gNlZDEvndBRZ65D/N4q/5DdXjp0W/eB6d rB8V2LpjtqnW8b1ZjosiAmjlDbdZd70/S5Yoerri5IVBdqxgh8xfFL8l6fW2DA9iJry7 2VRWLKaJVkje5ZV9o7fYhb+fAMTDHnIyVcTyWFwOURZlH+y+Wk/8zsGE3apyDCkQ4nSK WZx24FEeczVbIEequ6C7uDBOcCavDxfVcbVmbbHL8w5zg02O/cyqxhK+aYPbXzi6K7gF F99g== X-Gm-Message-State: ALoCoQmCGnpkJDEwNbItRwhRfKWXs+BP09/nKV1Eqmrwodbc9Q+AYCgoUDsgo5OgrNaN8CFkHnSL MIME-Version: 1.0 X-Received: by 10.180.218.66 with SMTP id pe2mr272094wic.69.1441051260096; Mon, 31 Aug 2015 13:01:00 -0700 (PDT) Received: by 10.28.176.131 with HTTP; Mon, 31 Aug 2015 13:01:00 -0700 (PDT) In-Reply-To: References: Date: Mon, 31 Aug 2015 21:01:00 +0100 Message-ID: From: Justin Cormack To: Thomas Leonard Cc: mirageos-devel Subject: Re: [MirageOS-devel] Some thoughts on operating unikernel environments X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 August 2015 at 12:46, Thomas Leonard wrote: > On 22 August 2015 at 18:37, Gareth Rushgrove wrote: >> On 22 August 2015 at 12:34, Thomas Leonard wrote: >>> On 21 August 2015 at 17:07, Gareth Rushgrove wrote: >>>> I'd managed to get a bunch of throughts out of how head an into blog >>>> post form, on the theme of operating unikernels. >>>> >>>> The general gist is, assuming unikernels are awesome, how do we build >>>> and run production systems based on them? >>>> >>>> http://www.morethanseven.net/2015/08/21/operating-unikernel-challenges/ >>>> >>>> This is mainly a list of problems, I'd love to heard from anyone who >>>> has done any hard thinking on any of them or cut any tools in this >>>> space. >>> >>> Hi Gareth, >>> >>> A few thoughts: >>> >> >> Thanks for replying. >> >>> >>> "How do I compose several unikernels together to build an application?" >>> >>> I think you answer this later, in the Orchestration section: the same >>> way we do with other VMs/containers - using Docker Compose, Ubuntu >>> Juju, etc. I haven't built anything big enough to need this yet >>> though. >>> >> >> That's my view as well (CloudFoundry or Kubernetes model would appear >> to work?) but I've not seen anyone doing this yet. Which probably >> means gaps exist when you actually try :) If anyone takes a run at >> this I'd certainly be interested, I'm guessing Lattice >> [http://lattice.cf/] might be a nice place to start? > > Me too. Since Mirage services can also be compiled as Unix binaries it > should be possible to test deployment configuration using existing > systems right now. Then, it's "just" a matter of teaching the > deployment system to deploy unikernel VMs directly, rather than > deploying Linux VMs containing the service. Yes, unikernels compiled for userspace are much easier to deploy using existing tools, eg I have some almost like standard Docker userspace rump kernels, which you can just docker run, eg https://hub.docker.com/r/justincormack/rump-nginx-lua/ I tend to agree with Gareth though that the Xen interfaces are not very well supported, as most people use Xen via cloud APIs not directly, and this needs work, have some ideas here. >> I also think unikernels could make for really nice network devices >> (firewalls, security controls, proxies, etc.) > > Yes. Here's a simple unikernel for a NAT device, for example: > > https://github.com/yomimono/simple-nat > >> Lots of people are finding the network the limiting factor when they >> start down a microservices rabbit hole in my experience. How would >> unikernels work with some of the newer players in this space like >> Weave [http://weave.works/] or Calico [http://www.projectcalico.org/] >> might be interesting to consider? Calico should "just work", I do intend to try it soon. Mirage doesn't support encapsulated networking weave or vxlan style, and interfacing with the current implementations would add even more performance hit I suspect due to the mismatch of the kernel/userspace mix. Justin _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel