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RE: [Xen-devel] machine check support in HVM guests

To: "Jan Beulich" <jbeulich@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] machine check support in HVM guests
From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Date: Mon, 27 Nov 2006 14:22:26 +0100
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Thread-topic: [Xen-devel] machine check support in HVM guests
 

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Jan Beulich
> Sent: 27 November 2006 12:30
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] machine check support in HVM guests
> 
> Neither SVM nor VMX suppress CPUID[1].EDX.MC{E,A}, but there 
> also is no
> virtualization of the respective MSRs. Since the latter seems 
> to have at best
> marginal usefulness, shouldn't CPUID be respectively updated?

I think masking those bits would be usefuller than implementing "machine
check virtualization", so "Yes". 

--
Mats
> 
> Thanks, Jan
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
> 
> 
> 



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