From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <jbeulich@novell.com>
Subject: Re: [PATCH][SVM] remove FFXSR CPUID bit for AMD-V
	HVM guests
Date: Thu, 01 Feb 2007 08:20:11 +0000
Message-ID: <45C1B0CB.76E4.0078.0@novell.com>
References: <683860AD674C7348A0BF0DE3918482F6043E1866@SAUSEXMB1.amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <683860AD674C7348A0BF0DE3918482F6043E1866@SAUSEXMB1.amd.com>
Content-Disposition: inline
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Thomas Woller <thomas.woller@amd.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

>>> "Woller, Thomas" <thomas.woller@amd.com> 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