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Commit c47f098d authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

KVM: SVM: implement dedicated NMI exit handler 



With an exit handler for NMI intercepts its possible to account them using
kvmtrace.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent c7bf23ba

arch/x86/kvm/svm.c

+6 −1
Original line number Diff line number Diff line
@@ -1081,6 +1081,11 @@ static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) 
	return kvm_emulate_pio(&svm->vcpu, kvm_run, in, size, port);

}



static int nmi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)

{

	return 1;

}



static int nop_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)

{

	return 1;
@@ -1365,7 +1370,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm, 
	[SVM_EXIT_EXCP_BASE + NM_VECTOR] 	= nm_interception,

	[SVM_EXIT_EXCP_BASE + MC_VECTOR] 	= mc_interception,

	[SVM_EXIT_INTR] 			= nop_on_interception,

	[SVM_EXIT_NMI]				= nop_on_interception,

	[SVM_EXIT_NMI]				= nmi_interception,

	[SVM_EXIT_SMI]				= nop_on_interception,

	[SVM_EXIT_INIT]				= nop_on_interception,

	[SVM_EXIT_VINTR]			= interrupt_window_interception,