X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=virt%2Fkvm%2Fkvm_main.c;fp=virt%2Fkvm%2Fkvm_main.c;h=8b8a4445367011b31afdb06f5363a120ea1db019;hb=2ecd9d29abb171d6e97a4f3eb29d7456a11401b7;hp=848af90b8091a9a3bd8ed7e18d6ace2692210c36;hpb=9bdc771f2c29a11920f477fba05a58e23ee42554;p=uclinux-h8%2Flinux.git

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 848af90b8091..8b8a44453670 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -553,6 +553,8 @@ static struct kvm *kvm_create_vm(unsigned long type)
 	list_add(&kvm->vm_list, &vm_list);
 	spin_unlock(&kvm_lock);
 
+	preempt_notifier_inc();
+
 	return kvm;
 
 out_err:
@@ -620,6 +622,7 @@ static void kvm_destroy_vm(struct kvm *kvm)
 	cleanup_srcu_struct(&kvm->irq_srcu);
 	cleanup_srcu_struct(&kvm->srcu);
 	kvm_arch_free_vm(kvm);
+	preempt_notifier_dec();
 	hardware_disable_all();
 	mmdrop(mm);
 }