leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[PATCH] m32r: Fix "value computed not used" warnings

Browse Source 
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: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Hirokazu Takata 2006-09-27 01:50:24 -07:00 committed by Linus Torvalds
parent f269fdd182
commit a27f311332
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/asm-m32r/system.h
View File

@ -328,15 +328,15 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
#define smp_rmb() rmb() #define smp_rmb() rmb()
#define smp_wmb() wmb() #define smp_wmb() wmb()
#define smp_read_barrier_depends() read_barrier_depends() #define smp_read_barrier_depends() read_barrier_depends()
#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
#else #else
#define smp_mb() barrier() #define smp_mb() barrier()
#define smp_rmb() barrier() #define smp_rmb() barrier()
#define smp_wmb() barrier() #define smp_wmb() barrier()
#define smp_read_barrier_depends() do { } while (0) #define smp_read_barrier_depends() do { } while (0)
#define set_mb(var, value) do { var = value; barrier(); } while (0)
#endif #endif
#define set_mb(var, value) do { xchg(&var, value); } while (0)
#define arch_align_stack(x) (x) #define arch_align_stack(x) (x)
#endif /* _ASM_M32R_SYSTEM_H */ #endif /* _ASM_M32R_SYSTEM_H */