Commit 1f3ee616 authored by Amit Shah's avatar Amit Shah Committed by Avi Kivity
Browse files

KVM: ignore reads to perfctr msrs 



We ignore writes to the perfctr msrs. Ignore reads as well.

Kaspersky antivirus crashes Windows guests if it can't read
these MSRs.

Signed-off-by: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent eab4b8aa

arch/x86/kvm/x86.c

+3 −0
Original line number Diff line number Diff line
@@ -1048,9 +1048,12 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) 
	case MSR_K8_SYSCFG:

	case MSR_K7_HWCR:

	case MSR_VM_HSAVE_PA:

	case MSR_P6_PERFCTR0:

	case MSR_P6_PERFCTR1:

	case MSR_P6_EVNTSEL0:

	case MSR_P6_EVNTSEL1:

	case MSR_K7_EVNTSEL0:

	case MSR_K7_PERFCTR0:

	case MSR_K8_INT_PENDING_MSG:

	case MSR_AMD64_NB_CFG:

	case MSR_FAM10H_MMIO_CONF_BASE: