Commit 6098ca93 authored Jul 03, 2009 by Andre Przywara Committed by Avi Kivity Sep 10, 2009

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>

parent 756975bb

arch/x86/kvm/x86.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);