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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2022-05-25 04:39:22 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-06-08 04:48:40 -0400 |
| commit | d1c88a4020567ba4da52f778bcd9619d87e4ea75 (patch) | |
| tree | be0105851a384baec1e10ca214286743eb9e28f8 /arch/x86/kvm/pmu.c | |
| parent | KVM: vmx, pmu: accept 0 for host-initiated write to MSR_IA32_DS_AREA (diff) | |
| download | linux-dev-d1c88a4020567ba4da52f778bcd9619d87e4ea75.tar.xz linux-dev-d1c88a4020567ba4da52f778bcd9619d87e4ea75.zip | |
KVM: x86: always allow host-initiated writes to PMU MSRs
Whenever an MSR is part of KVM_GET_MSR_INDEX_LIST, it has to be always
retrievable and settable with KVM_GET_MSR and KVM_SET_MSR. Accept
the PMU MSRs unconditionally in intel_is_valid_msr, if the access was
host-initiated.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/pmu.c')
| -rw-r--r-- | arch/x86/kvm/pmu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index 1ed63ea19c00..d2320d1aeb9f 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -458,10 +458,10 @@ void kvm_pmu_deliver_pmi(struct kvm_vcpu *vcpu) } } -bool kvm_pmu_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr) +bool kvm_pmu_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr, bool host_initiated) { return static_call(kvm_x86_pmu_msr_idx_to_pmc)(vcpu, msr) || - static_call(kvm_x86_pmu_is_valid_msr)(vcpu, msr); + static_call(kvm_x86_pmu_is_valid_msr)(vcpu, msr, host_initiated); } static void kvm_pmu_mark_pmc_in_use(struct kvm_vcpu *vcpu, u32 msr) |