From: Amit Shah <[email protected]>

We ignore writes to the performance counters and performance event
selector registers already. Kaspersky antivirus reads the eventsel
MSR causing it to crash with the current behaviour.

Return 0 as data when the eventsel registers are read to stop the
crash.

Signed-off-by: Amit Shah <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
---
 arch/x86/kvm/x86.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a27a64c..0131b5f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -891,6 +891,8 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 
*pdata)
        case MSR_IA32_LASTINTFROMIP:
        case MSR_IA32_LASTINTTOIP:
        case MSR_VM_HSAVE_PA:
+       case MSR_P6_EVNTSEL0:
+       case MSR_P6_EVNTSEL1:
                data = 0;
                break;
        case MSR_MTRRcap:
-- 
1.6.0.6

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