diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h
index 423022759cb2e84660c66f6f050366b216d2a109..72bf09cf13ab1dc9fd24ceaea7972948d1ba5e50 100644
--- a/include/asm-x86/apic.h
+++ b/include/asm-x86/apic.h
@@ -59,17 +59,17 @@ extern unsigned boot_cpu_id;
 #define setup_secondary_clock setup_secondary_APIC_clock
 #endif
 
-static inline fastcall void native_apic_write(unsigned long reg, u32 v)
+static inline void native_apic_write(unsigned long reg, u32 v)
 {
 	*((volatile u32 *)(APIC_BASE + reg)) = v;
 }
 
-static inline fastcall void native_apic_write_atomic(unsigned long reg, u32 v)
+static inline void native_apic_write_atomic(unsigned long reg, u32 v)
 {
 	(void) xchg((u32*)(APIC_BASE + reg), v);
 }
 
-static inline fastcall u32 native_apic_read(unsigned long reg)
+static inline u32 native_apic_read(unsigned long reg)
 {
 	return *((volatile u32 *)(APIC_BASE + reg));
 }
diff --git a/include/asm-x86/hw_irq_32.h b/include/asm-x86/hw_irq_32.h
index 0bedbdf5e9078af5d579f80832a057911067f6b8..b93e35a708ace5e3bdcff3b9fe3664d0fe756873 100644
--- a/include/asm-x86/hw_irq_32.h
+++ b/include/asm-x86/hw_irq_32.h
@@ -29,16 +29,16 @@
 extern void (*interrupt[NR_IRQS])(void);
 
 #ifdef CONFIG_SMP
-fastcall void reschedule_interrupt(void);
-fastcall void invalidate_interrupt(void);
-fastcall void call_function_interrupt(void);
+void reschedule_interrupt(void);
+void invalidate_interrupt(void);
+void call_function_interrupt(void);
 #endif
 
 #ifdef CONFIG_X86_LOCAL_APIC
-fastcall void apic_timer_interrupt(void);
-fastcall void error_interrupt(void);
-fastcall void spurious_interrupt(void);
-fastcall void thermal_interrupt(void);
+void apic_timer_interrupt(void);
+void error_interrupt(void);
+void spurious_interrupt(void);
+void thermal_interrupt(void);
 #define platform_legacy_irq(irq)	((irq) < 16)
 #endif
 
diff --git a/include/asm-x86/mutex_32.h b/include/asm-x86/mutex_32.h
index 7a17d9e58ad6586140e84a91a0a850b1b527e77a..bbeefb96ddfd6062657334b15915598ed4b26595 100644
--- a/include/asm-x86/mutex_32.h
+++ b/include/asm-x86/mutex_32.h
@@ -26,7 +26,7 @@ do {									\
 	unsigned int dummy;						\
 									\
 	typecheck(atomic_t *, count);					\
-	typecheck_fn(fastcall void (*)(atomic_t *), fail_fn);		\
+	typecheck_fn(void (*)(atomic_t *), fail_fn);		\
 									\
 	__asm__ __volatile__(						\
 		LOCK_PREFIX "   decl (%%eax)	\n"			\
@@ -51,8 +51,7 @@ do {									\
  * or anything the slow path function returns
  */
 static inline int
-__mutex_fastpath_lock_retval(atomic_t *count,
-			     int fastcall (*fail_fn)(atomic_t *))
+__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_dec_return(count) < 0))
 		return fail_fn(count);
@@ -78,7 +77,7 @@ do {									\
 	unsigned int dummy;						\
 									\
 	typecheck(atomic_t *, count);					\
-	typecheck_fn(fastcall void (*)(atomic_t *), fail_fn);		\
+	typecheck_fn(void (*)(atomic_t *), fail_fn);		\
 									\
 	__asm__ __volatile__(						\
 		LOCK_PREFIX "   incl (%%eax)	\n"			\
diff --git a/include/asm-x86/semaphore_32.h b/include/asm-x86/semaphore_32.h
index 835c1d751a9f8cdcb7270a8034c9cdbb97309e13..cc826e85323f3c1f18eb00a82123e91b76008894 100644
--- a/include/asm-x86/semaphore_32.h
+++ b/include/asm-x86/semaphore_32.h
@@ -83,10 +83,10 @@ static inline void init_MUTEX_LOCKED (struct semaphore *sem)
 	sema_init(sem, 0);
 }
 
-fastcall void __down_failed(void /* special register calling convention */);
-fastcall int  __down_failed_interruptible(void  /* params in registers */);
-fastcall int  __down_failed_trylock(void  /* params in registers */);
-fastcall void __up_wakeup(void /* special register calling convention */);
+void __down_failed(void /* special register calling convention */);
+int  __down_failed_interruptible(void  /* params in registers */);
+int  __down_failed_trylock(void  /* params in registers */);
+void __up_wakeup(void /* special register calling convention */);
 
 /*
  * This is ugly, but we want the default case to fall through.