From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: EFER in HVM guests Date: Wed, 29 Nov 2006 13:09:45 +0000 Message-ID: References: <456D940A.76E4.0078.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <456D940A.76E4.0078.0@novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jan Beulich , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 29/11/06 13:07, "Jan Beulich" 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