Commit 9e699624 authored Jun 15, 2009 by Amit Shah Committed by Avi Kivity Jun 28, 2009

KVM: Ignore reads to K7 EVNTSEL MSRs



In commit 7fe29e0f we ignored the
reads to the P6 EVNTSEL MSRs. That fixed crashes on Intel machines.

Ignore the reads to K7 EVNTSEL MSRs as well to fix this on AMD
hosts.

This fixes Kaspersky antivirus crashing Windows guests on AMD hosts.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent e3c7cb6a

arch/x86/kvm/x86.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -898,6 +898,7 @@ int kvm_get_msr_common(struct kvm_vcpu vcpu, u32 msr, u64 pdata)
		case MSR_VM_HSAVE_PA:
		case MSR_P6_EVNTSEL0:
		case MSR_P6_EVNTSEL1:
		case MSR_K7_EVNTSEL0:
		data = 0;
		break;
		case MSR_MTRRcap:

Admin message