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

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 24/01/17 12:26, Jan Beulich wrote:
>>>> 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).

Good point.  Will adjust.

~Andrew

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