diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 7b7da057b54b..3bf00a9299dd 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1266,6 +1266,10 @@ static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr) case HV_X64_MSR_CRASH_CTL: return hv_vcpu->cpuid_cache.features_edx & HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE; + case HV_X64_MSR_SYNDBG_OPTIONS: + case HV_X64_MSR_SYNDBG_CONTROL ... HV_X64_MSR_SYNDBG_PENDING_BUFFER: + return hv_vcpu->cpuid_cache.features_edx & + HV_FEATURE_DEBUG_MSRS_AVAILABLE; default: break; }