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] EFER in HVM guests

To: Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] EFER in HVM guests
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Wed, 29 Nov 2006 13:09:45 +0000
Delivery-date: Wed, 29 Nov 2006 05:09:52 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <456D940A.76E4.0078.0@xxxxxxxxxx>
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>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AccTt6O34f2/wn+qEducNwAX8io7RQ==
Thread-topic: [Xen-devel] EFER in HVM guests
User-agent: Microsoft-Entourage/11.2.5.060620
On 29/11/06 13:07, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> Is it intentional that
> - under SVM, 32-bit guests can freely set EFER.LME
> - under VMX, 32-bit guests can't access EFER at all?
> 
> Thanks, Jan

I'm sure any differences are unintentional. There is obviously scope for
making much of the MSR and CPUID code non-vmx/svm specific.

I assume that this particular difference doesn't really matter?

 -- Keir


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