| Message ID | 1237532940-26389-1-git-send-email-amit.shah@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Amit Shah wrote: > 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. > Applied, thanks.
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2ea8262..03431b2 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:
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 <amit.shah@redhat.com> --- arch/x86/kvm/x86.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)