KVM: Move irq ack notifier list to arch independent code

Mask irq notifier list is already there.
Signed-off-by: NGleb Natapov <gleb@redhat.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>

arch/ia64/include/asm/kvm_host.h

@@ -475,7 +475,6 @@ struct kvm_arch {
 	struct list_head assigned_dev_head;
 	struct iommu_domain *iommu_domain;
 	int iommu_flags;
-	struct hlist_head irq_ack_notifier_list;
 
 	unsigned long irq_sources_bitmap;
 	unsigned long irq_states[KVM_IOAPIC_NUM_PINS];

arch/x86/include/asm/kvm_host.h

@@ -397,7 +397,6 @@ struct kvm_arch{
 	struct kvm_pic *vpic;
 	struct kvm_ioapic *vioapic;
 	struct kvm_pit *vpit;
-	struct hlist_head irq_ack_notifier_list;
 	int vapics_in_nmi_mode;
 
 	unsigned int tss_addr;

include/linux/kvm_host.h

@@ -187,6 +187,7 @@ struct kvm {
 #ifdef CONFIG_HAVE_KVM_IRQCHIP
 	struct kvm_irq_routing_table *irq_routing;
 	struct hlist_head mask_notifier_list;
+	struct hlist_head irq_ack_notifier_list;
 #endif
 
 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER

virt/kvm/irq_comm.c

@@ -186,8 +186,7 @@ void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin)
 	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 @@ void kvm_register_irq_ack_notifier(struct kvm *kvm,
 				   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);
 }
 

virt/kvm/kvm_main.c

@@ -958,6 +958,7 @@ static struct kvm *kvm_create_vm(void)
 		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