diff options
| author | Vitaly Kuznetsov <[email protected]> | 2021-05-21 11:51:41 +0200 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2021-06-17 13:09:39 -0400 |
| commit | c2b32867f2e7bfa7e7521e417ab8bbd586ac6bcc (patch) | |
| tree | 411b122976b89832b98aaf10c89e34da288b0bdd | |
| parent | b80a92ff81587c556da740e9073821b5c3c23b72 (diff) | |
KVM: x86: hyper-v: Honor HV_MSR_TIME_REF_COUNT_AVAILABLE privilege bit
HV_X64_MSR_TIME_REF_COUNT is only available to guest when
HV_MSR_TIME_REF_COUNT_AVAILABLE bit is exposed.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
| -rw-r--r-- | arch/x86/kvm/hyperv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 6a9eb934ffe0..c90679247185 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1216,6 +1216,9 @@ static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr) case HV_X64_MSR_VP_RUNTIME: return hv_vcpu->cpuid_cache.features_eax & HV_MSR_VP_RUNTIME_AVAILABLE; + case HV_X64_MSR_TIME_REF_COUNT: + return hv_vcpu->cpuid_cache.features_eax & + HV_MSR_TIME_REF_COUNT_AVAILABLE; default: break; } |