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authorJoerg Roedel <joerg.roedel@amd.com>2008-04-30 17:56:00 +0200
committerAvi Kivity <avi@qumranet.com>2008-07-20 12:40:47 +0300
commitc47f098d69ed2bd7343e54095ff4aa2533253bee (patch)
treee296ddf631b111bad32255581bf3f192e7efb0ba /arch/x86/kvm/svm.c
parentc7bf23babc959b186335d2640959a1b8633588de (diff)
downloadop-kernel-dev-c47f098d69ed2bd7343e54095ff4aa2533253bee.zip
op-kernel-dev-c47f098d69ed2bd7343e54095ff4aa2533253bee.tar.gz
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>
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 6b0d5fa..8a2118b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -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,
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