WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] [PATCH][SVM] remove FFXSR CPUID bit for AMD-V HVM guests

To: "Thomas Woller" <thomas.woller@xxxxxxx>
Subject: Re: [Xen-devel] [PATCH][SVM] remove FFXSR CPUID bit for AMD-V HVM guests
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Thu, 01 Feb 2007 08:20:11 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Thu, 01 Feb 2007 00:17:47 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <683860AD674C7348A0BF0DE3918482F6043E1866@xxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <683860AD674C7348A0BF0DE3918482F6043E1866@xxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>> "Woller, Thomas" <thomas.woller@xxxxxxx> 01.02.07 00:06 >>>
>Remove visibility of the FFXSR CPUID bit to an HVM guest.
>This patch allows HVM Windows x64 to install/boot on AMD-V platforms.

Would you mind explaining why this is necessary? (Similarly I have a hard
time understanding why 3dnow can't be allowed for hvm guests.)

Jan

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel