Commit 3c5d0a44 authored by Alexander Graf's avatar Alexander Graf Committed by Avi Kivity
Browse files

KVM: Implement MSRs used by Hyper-V 



Hyper-V uses some MSRs, some of which are actually reserved for BIOS usage.

But let's be nice today and have it its way, because otherwise it fails
terribly.

[jaswinder: fix build for linux-next changes]

Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
Signed-off-by: default avatarJaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 0367b433

arch/x86/kvm/svm.c

+5 −0
Original line number Diff line number Diff line
@@ -2131,6 +2131,11 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) 
	case MSR_VM_HSAVE_PA:

		svm->hsave_msr = data;

		break;

	case MSR_VM_CR:

	case MSR_VM_IGNNE:

	case MSR_K7_HWCR:

		pr_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);

		break;

	default:

		return kvm_set_msr_common(vcpu, ecx, data);

	}