Re: [PATCH] KVM: SVM: drop MSR_IA32_PERF_CAPABILITIES from emulated MSRs

Jim Mattson
2020-06-16T16:24:58Z

On Tue, Jun 16, 2020 at 9:14 AM Vitaly Kuznetsov <vkuznets@redhat.com> wrote:
>
> state_test/smm_test selftests are failing on AMD with:
> "Unexpected result from KVM_GET_MSRS, r: 51 (failed MSR was 0x345)"
>
> MSR_IA32_PERF_CAPABILITIES is an emulated MSR indeed but only on Intel,
> make svm_has_emulated_msr() skip it so it is not returned by
> KVM_GET_MSR_INDEX_LIST.

Do we need to support this MSR under SVM for cross-vendor migration?
Or, have we given up on that?