Messages in this thread |  | | Date | Thu, 22 Aug 2019 14:44:40 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH 2/3] KVM: x86: always expose VIRT_SSBD to guests |
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On Wed, Aug 21, 2019 at 10:26:41AM +0200, Paolo Bonzini wrote: > Even though it is preferrable to use SPEC_CTRL (represented by > X86_FEATURE_AMD_SSBD) instead of VIRT_SPEC, VIRT_SPEC is always > supported anyway because otherwise it would be impossible to > migrate from old to new CPUs. Make this apparent in the > result of KVM_GET_SUPPORTED_CPUID as well. > > While at it, reuse X86_FEATURE_* constants for the SVM leaf too. > > However, we need to hide the bit on Intel processors, so move > the setting to svm_set_supported_cpuid. > > Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thank you!
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