Re: [Xen-devel] [PATCH 06/10] x86/cpuid: Handle leaf 0x6 in guest_cpuid()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.02.17 at 12:00, <andrew.cooper3@xxxxxxxxxx> wrote:
> The thermal/performance leaf was previously hidden from HVM guests, but fully
> visible to PV guests.  Most of the leaf refers to MSR availability, and there
> is nothing an unprivileged PV guest can do with the information, so hide the
> leaf entirely.
> 
> The PV MSR handling logic as minimal support for some thermal/perf operations

... has ...

> from the hardware domain, so leak through the implemented subset of 
> features.

Does it make sense to continue to special case PV hwdom here?
Should there perhaps be at least a fixme note?

Jan


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