Re: [Xen-devel] [PATCH v2 01/10] x86/msr: Offer CPUID Faulting to PVH control domains

[Jan Beulich <jbeulich@xxxxxxxx>]

On 13.09.2019 21:27, Andrew Cooper wrote:
> The control domain exclusion for CPUID Faulting predates dom0 PVH, but the
> reason for the exclusion (to allow the domain builder to see host CPUID
> values) isn't applicable.
> 
> The domain builder *is* broken in PVH control domains, and restricting the use
> of CPUID Faulting doesn't make it any less broken.  Tweak the logic to only
> exclude PV control domains.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

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