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Message-ID: <CALMp9eSWXGQkOOzSrALfZDMj5JHSH=CsK1wKfdj2x2jtV4XJsw@mail.gmail.com>
Date:   Tue, 16 Jun 2020 09:24:42 -0700
From:   Jim Mattson <jmattson@...gle.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     kvm list <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Like Xu <like.xu@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] KVM: SVM: drop MSR_IA32_PERF_CAPABILITIES from emulated MSRs

On Tue, Jun 16, 2020 at 9:14 AM Vitaly Kuznetsov <vkuznets@...hat.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?

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