HV_X64_MSR_REFERENCE_TSC is only available to guest when HV_MSR_REFERENCE_TSC_AVAILABLE bit is exposed. Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> --- arch/x86/kvm/hyperv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index affc6e0cda09..be6156a27bd7 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_RESET: return hv_vcpu->cpuid_cache.features_eax & HV_MSR_RESET_AVAILABLE; + case HV_X64_MSR_REFERENCE_TSC: + return hv_vcpu->cpuid_cache.features_eax & + HV_MSR_REFERENCE_TSC_AVAILABLE; default: break; } -- 2.31.1
