KVM: Move irq ack notifier list to arch independent code

Mask irq notifier list is already there.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index fb861dd..f019725 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -186,8 +186,7 @@
 	rcu_read_unlock();
 
 	if (gsi != -1)
-		hlist_for_each_entry(kian, n, &kvm->arch.irq_ack_notifier_list,
-				     link)
+		hlist_for_each_entry(kian, n, &kvm->irq_ack_notifier_list, link)
 			if (kian->gsi == gsi)
 				kian->irq_acked(kian);
 }
@@ -196,7 +195,7 @@
 				   struct kvm_irq_ack_notifier *kian)
 {
 	mutex_lock(&kvm->irq_lock);
-	hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list);
+	hlist_add_head(&kian->link, &kvm->irq_ack_notifier_list);
 	mutex_unlock(&kvm->irq_lock);
 }
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3bee948..6eca153 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -958,6 +958,7 @@
 		goto out;
 #ifdef CONFIG_HAVE_KVM_IRQCHIP
 	INIT_HLIST_HEAD(&kvm->mask_notifier_list);
+	INIT_HLIST_HEAD(&kvm->irq_ack_notifier_list);
 #endif
 
 #ifdef KVM_COALESCED_MMIO_PAGE_OFFSET