#define nop() __asm__ __volatile__ ("nop")
-#define xchg(ptr,x) \
- ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(void *)(ptr),sizeof(*(ptr))))
+#define xchg(ptr,x) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \
+ __ret; \
+})
static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
{
#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-
-/* interrupt control.. */
-#define local_irq_enable() ({ \
- unsigned long __dummy; \
- __asm__ __volatile__ ( \
- "stosm 0(%1),0x03" \
- : "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
- })
-
-#define local_irq_disable() ({ \
- unsigned long __flags; \
- __asm__ __volatile__ ( \
- "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
- __flags; \
- })
-
-#define local_save_flags(x) \
- __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
-
-#define local_irq_restore(x) \
- __asm__ __volatile__("ssm 0(%0)" : : "a" (&x), "m" (x) : "memory")
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !((flags >> __FLAG_SHIFT) & 3); \
-})
#ifdef __s390x__
})
#endif /* __s390x__ */
-/* For spinlocks etc */
-#define local_irq_save(x) ((x) = local_irq_disable())
+#include <linux/irqflags.h>
/*
* Use to set psw mask except for the first byte which
#endif /* __KERNEL__ */
#endif
-