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Re: [Xen-devel] [PATCH v4 18/26] x86/domctl: Update PV domain cpumasks when setting cpuid policy



On Wed, Mar 23, 2016 at 04:36:21PM +0000, Andrew Cooper wrote:
> This allows PV domains with different featuresets to observe different values
> from a native cpuid instruction, on supporting hardware.
> 
> It is important to leak the host view of HTT and CMP_LEGACY through to guests,
> even though they could be hidden.  These flags affect how to interpret other
> cpuid leaves which are not maskable.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

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