Message ID | 20240802185511.305849-6-seanjc@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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KVM: x86: Add a quirk for feature MSR initialization
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diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index c1d06f800b8e..f636d811bdc1 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -2460,8 +2460,6 @@ int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) vmx->pt_desc.guest.addr_a[index / 2] = data; break; case MSR_IA32_PERF_CAPABILITIES: - if (data && !vcpu_to_pmu(vcpu)->version) - return 1; if (data & PMU_CAP_LBR_FMT) { if ((data & PMU_CAP_LBR_FMT) != (kvm_caps.supported_perf_cap & PMU_CAP_LBR_FMT))
Drop the restriction that the PMU version is non-zero when handling writes to PERF_CAPABILITIES now that KVM unconditionally checks for PDCM support. Signed-off-by: Sean Christopherson <seanjc@google.com> --- arch/x86/kvm/vmx/vmx.c | 2 -- 1 file changed, 2 deletions(-)