Re: [PATCH 1/3] KVM: x86: fix reporting of AMD speculation bug CPUID leaf
From: Jim Mattson
Date: Wed Aug 21 2019 - 15:45:44 EST
On Wed, Aug 21, 2019 at 1:27 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>
> The AMD_* bits have to be set from the vendor-independent
> feature and bug flags, because KVM_GET_SUPPORTED_CPUID does not care
> about the vendor and they should be set on Intel processors as well.
> On top of this, SSBD, STIBP and AMD_SSB_NO bit were not set, and
> VIRT_SSBD does not have to be added manually because it is a
> cpufeature that comes directly from the host's CPUID bit.
>
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>