KVM: SVM: implement dedicated NMI exit handler
With an exit handler for NMI intercepts its possible to account them using kvmtrace. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
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@ -1081,6 +1081,11 @@ static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
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return kvm_emulate_pio(&svm->vcpu, kvm_run, in, size, port);
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return kvm_emulate_pio(&svm->vcpu, kvm_run, in, size, port);
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}
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}
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static int nmi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
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{
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return 1;
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}
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static int nop_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
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static int nop_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
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{
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{
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return 1;
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return 1;
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@ -1365,7 +1370,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm,
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[SVM_EXIT_EXCP_BASE + NM_VECTOR] = nm_interception,
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[SVM_EXIT_EXCP_BASE + NM_VECTOR] = nm_interception,
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[SVM_EXIT_EXCP_BASE + MC_VECTOR] = mc_interception,
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[SVM_EXIT_EXCP_BASE + MC_VECTOR] = mc_interception,
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[SVM_EXIT_INTR] = nop_on_interception,
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[SVM_EXIT_INTR] = nop_on_interception,
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[SVM_EXIT_NMI] = nop_on_interception,
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[SVM_EXIT_NMI] = nmi_interception,
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[SVM_EXIT_SMI] = nop_on_interception,
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[SVM_EXIT_SMI] = nop_on_interception,
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[SVM_EXIT_INIT] = nop_on_interception,
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[SVM_EXIT_INIT] = nop_on_interception,
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[SVM_EXIT_VINTR] = interrupt_window_interception,
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[SVM_EXIT_VINTR] = interrupt_window_interception,
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