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KVM: VMX: Remove restriction that PMU version > 0 for PERF_CAPABILITIES

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Drop the restriction that the PMU version is non-zero when handling writes
to PERF_CAPABILITIES now that KVM unconditionally checks for PDCM support.

Link: https://lore.kernel.org/r/20240802185511.305849-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2024-08-02 11:55:07 -07:00
parent d75cac366f
commit a103911119
1 changed files with 0 additions and 2 deletions
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2
arch/x86/kvm/vmx/vmx.c
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@ -2456,8 +2456,6 @@ 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))