GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-01 19:41:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

KVM: x86: hyper-v: Honor HV_MSR_TIME_REF_COUNT_AVAILABLE privilege bit

Browse source 
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 <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210521095204.2161214-8-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Vitaly Kuznetsov 2021-05-21 11:51:41 +02:00 • committed by Paolo Bonzini
parent b80a92ff81
commit c2b32867f2
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
arch/x86/kvm/hyperv.c
View file

@ -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;
}