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| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-05-25 10:39:22 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-06-08 10:48:40 +0200 |
| commit | d1c88a4020567ba4da52f778bcd9619d87e4ea75 (patch) | |
| tree | be0105851a384baec1e10ca214286743eb9e28f8 /arch/x86/kvm/pmu.h | |
| parent | KVM: vmx, pmu: accept 0 for host-initiated write to MSR_IA32_DS_AREA (diff) | |
| download | linux-d1c88a4020567ba4da52f778bcd9619d87e4ea75.tar.xz linux-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.h')
| -rw-r--r-- | arch/x86/kvm/pmu.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index f7bd4de14c92..1398297ae6dc 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -29,7 +29,7 @@ struct kvm_pmu_ops { unsigned int idx, u64 *mask); struct kvm_pmc *(*msr_idx_to_pmc)(struct kvm_vcpu *vcpu, u32 msr); bool (*is_valid_rdpmc_ecx)(struct kvm_vcpu *vcpu, unsigned int idx); - bool (*is_valid_msr)(struct kvm_vcpu *vcpu, u32 msr); + bool (*is_valid_msr)(struct kvm_vcpu *vcpu, u32 msr, bool host_initiated); int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr_info); int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr_info); void (*refresh)(struct kvm_vcpu *vcpu); @@ -181,7 +181,7 @@ void kvm_pmu_deliver_pmi(struct kvm_vcpu *vcpu); void kvm_pmu_handle_event(struct kvm_vcpu *vcpu); int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data); bool kvm_pmu_is_valid_rdpmc_ecx(struct kvm_vcpu *vcpu, unsigned int idx); -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); int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info); int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info); void kvm_pmu_refresh(struct kvm_vcpu *vcpu); |