Messages in this thread |  | | Date | Sat, 29 Oct 2016 14:25:48 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] x86/cpuid: expose AVX512_4VNNIW and AVX512_4FMAPS features to kvm guest |
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On Sat, Oct 29, 2016 at 08:21:17AM -0400, Paolo Bonzini wrote: > Currently none of the bits in CPUID[7,0].edx is ever masked by the host, so > this would be enough. If we ever need to do some masking, I guess I'll > practice my puss-in-boots look and submit a patch to add CPUID[7,0] back > as a separate cpufeature entr.
I don't understand - why can't it be filtered here if needed? I.e.,
return edx & KVM_CPUID_EDX_7_MASK;
or so?
Btw, we already have a cpuid_edx() helper in arch/x86/include/asm/processor.h
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
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