Re: [PATCH] KVM: x86: reinstate vendor-agnostic check on SPEC_CTRL cpuid bits

[Paolo Bonzini]

On 04/12/20 18:12, Sean Christopherson wrote:
> Assuming that's
> the case, adding helpers in cpuid.h to detect guest support for SPEC_CTRL (and
> maybe for PRED_CMD?) would be helpful.  It'd reduce duplicate code and document
> that KVM allows cross-vendor emulation.  The condition for SPEC_CTRL support is
> especially long.

That's a great idea nevertheless.

Paolo