[PATCH v10 51/81] KVM: introspection: add the crash action handling on the event reply

[Adalbert Lazăr <alazar@xxxxxxxxxxxxxxx>]

From: Mihai Donțu <mdontu@xxxxxxxxxxxxxxx>

This action is used in extreme cases such as blocking the spread of
malware as fast as possible.

Signed-off-by: Mihai Donțu <mdontu@xxxxxxxxxxxxxxx>
Signed-off-by: Adalbert Lazăr <alazar@xxxxxxxxxxxxxxx>
---
 virt/kvm/introspection/kvmi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c
index 3d26a7319fb7..d25b83dce8ed 100644
--- a/virt/kvm/introspection/kvmi.c
+++ b/virt/kvm/introspection/kvmi.c
@@ -751,6 +751,10 @@ void kvmi_handle_common_event_actions(struct kvm_vcpu *vcpu, u32 action)
 	struct kvm *kvm = vcpu->kvm;
 
 	switch (action) {
+	case KVMI_EVENT_ACTION_CRASH:
+		vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN;
+		break;
+
 	default:
 		kvmi_handle_unsupported_event_action(kvm);
 	}