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authorAmit Shah <amit.shah@redhat.com>2009-06-30 16:24:28 +0530
committerAvi Kivity <avi@redhat.com>2009-09-10 08:33:21 +0300
commit1f3ee616dd21ff155f781c35509229bf2788c072 (patch)
tree5b2d4d5085cd1fa4691b2c78b5e4e023865c0f81 /arch/x86
parenteab4b8aa34fc64e3a91358e1612e6d059396193b (diff)
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: Amit Shah <amit.shah@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/x86.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 92b5eddaa87..132c5100d4f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -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: