KVM: Move irqchip_in_kernel() from ioapic.h to irq.h

Moving irqchip_in_kernel() from ioapic.h to irq.h.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h
index 604329a..c6786e8 100644
--- a/arch/ia64/kvm/irq.h
+++ b/arch/ia64/kvm/irq.h
@@ -23,5 +23,9 @@
 #ifndef __IRQ_H
 #define __IRQ_H
 
+static inline int irqchip_in_kernel(struct kvm *kvm)
+{
+	return 1;
+}
 
 #endif
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 7ad759e..a6cf719 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -45,6 +45,7 @@
 #include "iodev.h"
 #include "ioapic.h"
 #include "lapic.h"
+#include "irq.h"
 
 static unsigned long kvm_vmm_base;
 static unsigned long kvm_vsa_base;