diff --git a/hypervisor/arch/x86/guest/vmcs.c b/hypervisor/arch/x86/guest/vmcs.c
index 7dd2d806f..a125e2dee 100644
--- a/hypervisor/arch/x86/guest/vmcs.c
+++ b/hypervisor/arch/x86/guest/vmcs.c
@@ -606,10 +606,11 @@ void switch_apicv_mode_x2apic(struct acrn_vcpu *vcpu)
 		update_msr_bitmap_x2apic_passthru(vcpu);
 
 		/*
-		 * After passthroughing lapic to guest, we should use INIT signal to
-		 * notify vcpu thread instead of IPI
+		 * After passthroughing lapic to guest, we should use NMI signal to
+		 * notify vcpu thread instead of IPI. Because the IPI will be delivered
+		 * the guest directly without vmexit.
 		 */
-		vcpu->thread_obj.notify_mode = SCHED_NOTIFY_INIT;
+		vcpu->thread_obj.notify_mode = SCHED_NOTIFY_NMI;
 	} else {
 		value32 = exec_vmread32(VMX_PROC_VM_EXEC_CONTROLS2);
 		value32 &= ~VMX_PROCBASED_CTLS2_VAPIC;
diff --git a/hypervisor/common/schedule.c b/hypervisor/common/schedule.c
index da6c785be..73a6eda06 100644
--- a/hypervisor/common/schedule.c
+++ b/hypervisor/common/schedule.c
@@ -202,8 +202,8 @@ void sleep_thread(struct thread_object *obj)
 		scheduler->sleep(obj);
 	}
 	if (is_running(obj)) {
-		if (obj->notify_mode == SCHED_NOTIFY_INIT) {
-			make_reschedule_request(pcpu_id, DEL_MODE_INIT);
+		if (obj->notify_mode == SCHED_NOTIFY_NMI) {
+			make_reschedule_request(pcpu_id, DEL_MODE_NMI);
 		} else {
 			make_reschedule_request(pcpu_id, DEL_MODE_IPI);
 		}
diff --git a/hypervisor/include/common/schedule.h b/hypervisor/include/common/schedule.h
index 164e34410..809be6869 100644
--- a/hypervisor/include/common/schedule.h
+++ b/hypervisor/include/common/schedule.h
@@ -26,6 +26,7 @@ enum thread_object_state {
 
 enum sched_notify_mode {
 	SCHED_NOTIFY_INIT,
+	SCHED_NOTIFY_NMI,
 	SCHED_NOTIFY_IPI
 };