diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h
index ec5f355..27731e0 100644
--- a/include/asm-ia64/smp.h
+++ b/include/asm-ia64/smp.h
@@ -38,9 +38,6 @@
 	return lid.f.id << 8 | lid.f.eid;
 }
 
-extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
-				  void *info, int wait);
-
 #define hard_smp_processor_id()		ia64_get_lid()
 
 #ifdef CONFIG_SMP
@@ -124,11 +121,12 @@
 extern void smp_do_timer (struct pt_regs *regs);
 
 extern void smp_send_reschedule (int cpu);
-extern void lock_ipi_calllock(void);
-extern void unlock_ipi_calllock(void);
 extern void identify_siblings (struct cpuinfo_ia64 *);
 extern int is_multithreading_enabled(void);
 
+extern void arch_send_call_function_single_ipi(int cpu);
+extern void arch_send_call_function_ipi(cpumask_t mask);
+
 #else /* CONFIG_SMP */
 
 #define cpu_logical_id(i)		0