From xen-research-bounces@lists.xensource.com Thu Feb 09 15:29:30 2012 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 09 Feb 2012 15:29:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1RvVw3-0003P9-Gv; Thu, 09 Feb 2012 15:29:23 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1RvVw1-0003Os-QT for xen-research@lists.xensource.com; Thu, 09 Feb 2012 15:29:22 +0000 Received: from [85.158.143.35:6738] by server-1.bemta-4.messagelabs.com id D3/B4-04451-056E33F4; Thu, 09 Feb 2012 15:29:20 +0000 X-Env-Sender: oliverconde4@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1328801359!2162222!1 X-Originating-IP: [209.85.213.43] X-SpamReason: No, hits=1.5 required=7.0 tests=HTML_00_10,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Version: 6.5.5; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15293 invoked from network); 9 Feb 2012 15:29:20 -0000 Received: from mail-yw0-f43.google.com (HELO mail-yw0-f43.google.com) (209.85.213.43) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Feb 2012 15:29:20 -0000 Received: by yhkk6 with SMTP id k6so23726830yhk.30 for ; Thu, 09 Feb 2012 07:29:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=sacajaG1gSyhCfoPQiM8g7pxbzNVQWvJ6Nu/RwTqLGk=; b=GooSijnsBxWMM4cElBbAvPIqCWCi1JS2Cwo9fdSyg5NdhtqehaQ46Sai/ZR3y9rjJA h006Hk2enNjirWPS6YKoP+TONyfMZfjFSpM3bmXwJnNKepGViQxuhul6U+E6HicZBrhk IiXhWW8/xEP+7BXsnvD7/KPbpH9yvxAABhSNk= MIME-Version: 1.0 Received: by 10.50.156.166 with SMTP id wf6mr2491794igb.20.1328801358747; Thu, 09 Feb 2012 07:29:18 -0800 (PST) Received: by 10.50.236.40 with HTTP; Thu, 9 Feb 2012 07:29:18 -0800 (PST) Date: Thu, 9 Feb 2012 16:29:18 +0100 Message-ID: From: Oliver Conde To: xen-research@lists.xensource.com Subject: [Xen-research] Changing EPT Level to 4? X-BeenThere: xen-research@lists.xensource.com X-Mailman-Version: 2.1.13 Precedence: list List-Id: Research Issues on Xen List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7524852114059525056==" Sender: xen-research-bounces@lists.xensource.com Errors-To: xen-research-bounces@lists.xensource.com --===============7524852114059525056== Content-Type: multipart/alternative; boundary=e89a8f3bafbbf719bc04b889ac2d --e89a8f3bafbbf719bc04b889ac2d Content-Type: text/plain; charset=ISO-8859-1 Hi all I am experimenting with Xen and I tried to change the EPT level from 3 to 4. so in xen/include/asm-x86/hvm/vmx/vmcs.h I changed the value of ept_wl from 3 to 4. Unfortunately Windows 7 can no longer boot with the change. Is this expected? What could be the problem? Is there a workaround for this? I would be willing to invest some time coding a fix for this, without pointers or hints though it might take a lot longer though... Thanks in advance and kind regards, Oliver --e89a8f3bafbbf719bc04b889ac2d Content-Type: text/html; charset=ISO-8859-1 Hi all

I am experimenting with Xen and I tried to change the EPT level from 3 to 4.
so in xen/include/asm-x86/hvm/vmx/vmcs.h I changed the value of ept_wl from 3 to 4.

Unfortunately Windows 7 can no longer boot with the change.

Is this expected?
What could be the problem?
Is there a workaround for this?

I would be willing to invest some time coding a fix for this, without pointers or hints though it might take a lot longer though...

Thanks in advance and kind regards,
Oliver
--e89a8f3bafbbf719bc04b889ac2d-- --===============7524852114059525056== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-research mailing list Xen-research@lists.xensource.com http://lists.xensource.com/mailman/listinfo/xen-research --===============7524852114059525056==-- From xen-research-bounces@lists.xensource.com Thu Feb 09 15:29:30 2012 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 09 Feb 2012 15:29:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1RvVw3-0003P9-Gv; Thu, 09 Feb 2012 15:29:23 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1RvVw1-0003Os-QT for xen-research@lists.xensource.com; Thu, 09 Feb 2012 15:29:22 +0000 Received: from [85.158.143.35:6738] by server-1.bemta-4.messagelabs.com id D3/B4-04451-056E33F4; Thu, 09 Feb 2012 15:29:20 +0000 X-Env-Sender: oliverconde4@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1328801359!2162222!1 X-Originating-IP: [209.85.213.43] X-SpamReason: No, hits=1.5 required=7.0 tests=HTML_00_10,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Version: 6.5.5; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15293 invoked from network); 9 Feb 2012 15:29:20 -0000 Received: from mail-yw0-f43.google.com (HELO mail-yw0-f43.google.com) (209.85.213.43) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Feb 2012 15:29:20 -0000 Received: by yhkk6 with SMTP id k6so23726830yhk.30 for ; Thu, 09 Feb 2012 07:29:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=sacajaG1gSyhCfoPQiM8g7pxbzNVQWvJ6Nu/RwTqLGk=; b=GooSijnsBxWMM4cElBbAvPIqCWCi1JS2Cwo9fdSyg5NdhtqehaQ46Sai/ZR3y9rjJA h006Hk2enNjirWPS6YKoP+TONyfMZfjFSpM3bmXwJnNKepGViQxuhul6U+E6HicZBrhk IiXhWW8/xEP+7BXsnvD7/KPbpH9yvxAABhSNk= MIME-Version: 1.0 Received: by 10.50.156.166 with SMTP id wf6mr2491794igb.20.1328801358747; Thu, 09 Feb 2012 07:29:18 -0800 (PST) Received: by 10.50.236.40 with HTTP; Thu, 9 Feb 2012 07:29:18 -0800 (PST) Date: Thu, 9 Feb 2012 16:29:18 +0100 Message-ID: From: Oliver Conde To: xen-research@lists.xensource.com Subject: [Xen-research] Changing EPT Level to 4? X-BeenThere: xen-research@lists.xensource.com X-Mailman-Version: 2.1.13 Precedence: list List-Id: Research Issues on Xen List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7524852114059525056==" Sender: xen-research-bounces@lists.xensource.com Errors-To: xen-research-bounces@lists.xensource.com --===============7524852114059525056== Content-Type: multipart/alternative; boundary=e89a8f3bafbbf719bc04b889ac2d --e89a8f3bafbbf719bc04b889ac2d Content-Type: text/plain; charset=ISO-8859-1 Hi all I am experimenting with Xen and I tried to change the EPT level from 3 to 4. so in xen/include/asm-x86/hvm/vmx/vmcs.h I changed the value of ept_wl from 3 to 4. Unfortunately Windows 7 can no longer boot with the change. Is this expected? What could be the problem? Is there a workaround for this? I would be willing to invest some time coding a fix for this, without pointers or hints though it might take a lot longer though... Thanks in advance and kind regards, Oliver --e89a8f3bafbbf719bc04b889ac2d Content-Type: text/html; charset=ISO-8859-1 Hi all

I am experimenting with Xen and I tried to change the EPT level from 3 to 4.
so in xen/include/asm-x86/hvm/vmx/vmcs.h I changed the value of ept_wl from 3 to 4.

Unfortunately Windows 7 can no longer boot with the change.

Is this expected?
What could be the problem?
Is there a workaround for this?

I would be willing to invest some time coding a fix for this, without pointers or hints though it might take a lot longer though...

Thanks in advance and kind regards,
Oliver
--e89a8f3bafbbf719bc04b889ac2d-- --===============7524852114059525056== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-research mailing list Xen-research@lists.xensource.com http://lists.xensource.com/mailman/listinfo/xen-research --===============7524852114059525056==--