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KVM: handle AMD microcode MSR 

Windows 7 tries to update the CPU's microcode on some processors,
so we ignore the MSR write here. The patchlevel register is already handled
(returning 0), because the MSR number is the same as Intel's.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Andre Przywara 2009-07-03 16:00:14 +02:00 committed by Avi Kivity
parent 756975bbfd
commit 6098ca939e
1 changed files with 1 additions and 0 deletions
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arch/x86/kvm/x86.c
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@ -861,6 +861,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
case MSR_IA32_UCODE_REV:
case MSR_IA32_UCODE_WRITE:
case MSR_VM_HSAVE_PA:
case MSR_AMD64_PATCH_LOADER:
break;
case 0x200 ... 0x2ff:
return set_msr_mtrr(vcpu, msr, data);