On 07/25/2012 04:57 AM, H. Peter Anvin wrote:
On 07/24/2012 04:09 AM, Vladimir Davydov wrote:
We have not encountered this situation in our environments and I hope we
won't :-)
But look, these CPUID functions cover majority of CPU features, don't
they? So, most of "normal" apps inside VM will survive migration.
Perhaps, some low-level utils won't. I guess that's why there are no
MSRs for other levels provided by vendors.
You will once Ivy Bridge becomes common.
Ivy Bridge has CPUID faulting, which allows masking all CPUID
levels/functions.
-hpa
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