diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2021-05-21 11:51:43 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-17 13:09:40 -0400 |
| commit | 679008e4bbeb12f4905ee0820cd2d0b9d4a21dbb (patch) | |
| tree | c3264c9cfc808918312970ec51e17035ed8f321a | |
| parent | d2ac25d4196da2ff404c88bec480c835995ea69c (diff) | |
KVM: x86: hyper-v: Honor HV_MSR_RESET_AVAILABLE privilege bit
HV_X64_MSR_RESET is only available to guest when HV_MSR_RESET_AVAILABLE bit
is exposed.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210521095204.2161214-10-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -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 fb5ed867b53c..1348f7691310 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1222,6 +1222,9 @@ static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr) case HV_X64_MSR_VP_INDEX: return hv_vcpu->cpuid_cache.features_eax & HV_MSR_VP_INDEX_AVAILABLE; + case HV_X64_MSR_RESET: + return hv_vcpu->cpuid_cache.features_eax & + HV_MSR_RESET_AVAILABLE; default: break; } |