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Commit a27f3113 authored by Hirokazu Takata's avatar Hirokazu Takata Committed by Linus Torvalds
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[PATCH] m32r: Fix "value computed not used" warnings 



Fix to remove annoying gcc-4.1 warnings "value computed not used" for m32r;
Modify set_mb to cast to void for SMP.

Signed-off-by: default avatarHirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f269fdd1

include/asm-m32r/system.h

+2 −2
Original line number Diff line number Diff line
@@ -328,15 +328,15 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) 
#define smp_rmb()	rmb()

#define smp_wmb()	wmb()

#define smp_read_barrier_depends()	read_barrier_depends()

#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)

#else

#define smp_mb()	barrier()

#define smp_rmb()	barrier()

#define smp_wmb()	barrier()

#define smp_read_barrier_depends()	do { } while (0)

#define set_mb(var, value) do { var = value; barrier(); } while (0)

#endif



#define set_mb(var, value) do { xchg(&var, value); } while (0)



#define arch_align_stack(x) (x)



#endif  /* _ASM_M32R_SYSTEM_H */