From: Joerg Roedel <[EMAIL PROTECTED]>
Injecting an GP when accessing this MSR lets Windows crash when running some
stress test tools in KVM. So this patch emulates access to this MSR.
Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]>
Signed-off-by: Markus Rechberger <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index dee6bce..7d00ba2 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -497,6 +497,10 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64
data)
pr_unimpl(vcpu, "%s: MSR_IA32_MCG_STATUS 0x%llx, nop\n",
__FUNCTION__, data);
break;
+ case MSR_IA32_MCG_CTL:
+ pr_unimpl(vcpu, "%s: MSR_IA32_MCG_CTL 0x%llx, nop\n",
+ __FUNCTION__, data);
+ break;
case MSR_IA32_UCODE_REV:
case MSR_IA32_UCODE_WRITE:
case 0x200 ... 0x2ff: /* MTRRs */
@@ -539,6 +543,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64
*pdata)
case MSR_IA32_MC0_CTL:
case MSR_IA32_MCG_STATUS:
case MSR_IA32_MCG_CAP:
+ case MSR_IA32_MCG_CTL:
case MSR_IA32_MC0_MISC:
case MSR_IA32_MC0_MISC+4:
case MSR_IA32_MC0_MISC+8:
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