diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 8847fb3..3c70ebc 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -31,6 +31,7 @@
 
 void __init xen_build_dynamic_phys_to_machine(void);
 
+void xen_init_irq_ops(void);
 void xen_setup_timer(int cpu);
 void xen_setup_cpu_clockevents(void);
 unsigned long xen_tsc_khz(void);