Re: [Xen-devel] Re: [Xen-users] Why Xen will deprecated? Is it to old?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Oct 21, 2009 at 10:17:34AM +0100, Ian Tobin wrote:
> But what is pv_ops dom0 ? 
> 

It's the new dom0 kernel (patches) made for the upstream Linux kernel
pv_ops framework, which already includes domU support, but not dom0.

http://wiki.xensource.com/xenwiki/XenDom0Kernels

-- Pasi

> 
> 
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx] 
> Sent: 21 October 2009 09:54
> To: Ian Tobin
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Re: [Xen-users] Why Xen will deprecated? Is it to 
> old?
> 
> On Wed, Oct 21, 2009 at 09:31:46AM +0100, Ian Tobin wrote:
> > Are you guys saying you wont be able to compile XEN on the new version of 
> > Debian ?
> > 
> 
> Of course you can compile Xen on Debian :) 
> 
> I guess this thread started about the debian kernel group meeting:
> http://lists.debian.org/debian-kernel/2009/10/msg00613.html
> 
> .. where they say next stable debian release ("squeeze") will have xen
> dom0 kernel using forward-ported xenlinux patches (from novell/opensuse), 
> and after squeeze release the separate xen dom0 kernel will be removed from 
> debian, 
> since by that time the pv_ops dom0 support should be included in the upstream 
> Linux kernel.
> 
> -- Pasi
> 
> > 
> > 
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Pasi Kärkkäinen
> > Sent: 21 October 2009 09:25
> > To: Mr. Teo En Ming (Zhang Enming)
> > Cc: Fajar A. Nugraha; xen-devel@xxxxxxxxxxxxxxxxxxx; 
> > xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-devel] Re: [Xen-users] Why Xen will deprecated? Is it to 
> > old?
> > 
> > On Wed, Oct 21, 2009 at 12:02:14PM +0800, Mr. Teo En Ming (Zhang Enming) 
> > wrote:
> > > Hi
> > > 
> > > I went to this page
> > > http://www.linuxfromscratch.org/lfs/view/stable/prologue/hostreqs.html
> > > and it says that LFS instructions are currently for building a 32-bit
> > > system only. Instructions for building 64-bit systems will only come
> > > in a future version of LFS.
> > > 
> > > I remembered I encountered some difficulties when building a 32-bit
> > > Xen system. PAE support must be enabled. This was mentioned by Pasi.
> > > 
> > 
> > Yes, 32bit Xen dom0 must be PAE (64G mem support enabled), and also
> > 32bit PV guests must be PAE. 
> > 
> > Back in the days Xen supported also non-PAE 32bit, but not anymore nowadays.
> > In 32bit kernel configuration you'll see Xen options only after you enable 
> > PAE first.
> > 
> > -- Pasi
> > 
> > > -- 
> > > Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> > > Engineering)
> > > Alma Maters:
> > > (1) Singapore Polytechnic
> > > (2) National University of Singapore
> > > Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> > > Email: space.time.universe@xxxxxxxxx
> > > MSN: teoenming@xxxxxxxxxxx
> > > Mobile Phone: +65-9648-9798
> > > Street: Bedok Reservoir Road
> > > Republic of Singapore
> > > 
> > > 
> > > On Wed, Oct 21, 2009 at 11:42 AM, Fajar A. Nugraha <fajar@xxxxxxxxx> 
> > > wrote:
> > > > On Wed, Oct 21, 2009 at 3:59 AM, Mr. Teo En Ming (Zhang Enming)
> > > > <space.time.universe@xxxxxxxxx> wrote:
> > > >> If we don't use any specific Linux distribution like Fedora, Debian,
> > > >> Ubuntu, OpenSUSE, etc, we could still customize or DIY our own linux
> > > >> system according to the instructions here at the Linux from Scratch
> > > >> online book http://www.linuxfromscratch.org/lfs/view/stable/
> > > >>
> > > >> And then we could download the pv_ops/pvops dom0 kernels and Xen
> > > >> hypervisor and compile ourselves.
> > > >>
> > > >> Anyone forsees any problems with this approach?
> > > >
> > > > I don't see a difference whether you use specific distro or a DIY
> > > > system. You could always setup xen (including dom0 kernel) manually.
> > > > A possible snag might be if you use i386, where you need xen-friendly
> > > > glibc. For x86_64 it's much easier.
> > > >
> > > > --
> > > > Fajar
> > > >
> > > 
> > > _______________________________________________
> > > Xen-devel mailing list
> > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-devel
> > 
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> > 
> > 
> 
> 

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