diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index cfa74983c6751a78fdd998fcc1aada6e2fd67f6a..989dd3fe8de19d9fc40de248f5788f359eb3ebc6 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -26,6 +26,7 @@
 #define KVM_USER_MEM_SLOTS 32
 
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_IRQCHIP_NUM_PINS  KVM_IOAPIC_NUM_PINS
 
 /* define exit reasons from vmm to kvm*/
 #define EXIT_REASON_VM_PANIC		0
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 2cd225f8c68d288f50eabda6a3528fc3f9e3bdc5..043183a06409da799e9de0b2ba5a4749f357fabc 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -27,6 +27,7 @@ config KVM
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
 	select HAVE_KVM_IRQCHIP
+	select HAVE_KVM_IRQ_ROUTING
 	select KVM_APIC_ARCHITECTURE
 	select KVM_MMIO
 	---help---
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index db3d7c5d10711a1d0357a0c179e752f1d6f0df58..511f64a78d56d9ad16dba099e957f0224d9a54f0 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -49,7 +49,7 @@ ccflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
 asflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
 
 common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
-		coalesced_mmio.o irq_comm.o assigned-dev.o)
+		coalesced_mmio.o irq_comm.o assigned-dev.o irqchip.o)
 
 ifeq ($(CONFIG_IOMMU_API),y)
 common-objs += $(addprefix ../../../virt/kvm/, iommu.o)