Re: [Xen-devel] [PATCH v2 11/14] x86/cpuid: Handle leaves 0x8000000b-1a in guest_cpuid()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.01.17 at 15:39, <andrew.cooper3@xxxxxxxxxx> wrote:
> Leaves 8000000b-18 are reserved.  Leaf 80000019 is 1G TLB information and leaf
> 0x8000001a is performance hints.  These leaves have previously been hidden
> from guests, but are perfectly safe to expose.

I think 1G TLB info should be exposed only for guests seeing the 1G
page capability (i.e. namely neither shadow nor PV guests).

Jan


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