Commit 82494028 authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

KVM: SVM: Ignore write of hwcr.ignne 



Hyper-V as a guest wants to write this bit. This patch
ignores it.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 4a810181

arch/x86/kvm/x86.c

+1 −0
Original line number Diff line number Diff line
@@ -1090,6 +1090,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) 
		break;

	case MSR_K7_HWCR:

		data &= ~(u64)0x40;	/* ignore flush filter disable */

		data &= ~(u64)0x100;	/* ignore ignne emulation enable */

		if (data != 0) {

			pr_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n",

				data);