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SubjectRe: [PATCH] x86/cpuid: expose AVX512_4VNNIW and AVX512_4FMAPS features to kvm guest
On Sat, Oct 29, 2016 at 08:36:11AM -0400, Paolo Bonzini wrote:
> Because then it wouldn't be in processor.h.

Easy:

return cpuid_edx(…) & KVM_CPUID_EDX_7_MASK;

at the call site.

> Yes, but it doesn't take an ecx.

Looks like we need another set of macros :-)

> Anyhow this is not an issue for now. It will depend on which other bits
> are added to CPUID[7,0].edx, but in general it's relatively rare to blacklist
> bits from cpufeature.

Right.

Thanks.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.

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