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sparc64: Provide cmpxchg64()

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sparc64 allmodconfig:

drivers/block/blockconsole.c: In function ‘bcon_advance_console_bytes’:
drivers/block/blockconsole.c:164: error: implicit declaration of function ‘cmpxchg64’

Map cmpxchg64() to cmpxchg64_local() (which eventually calls
__cmpxchg_u64()) to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geert Uytterhoeven 2013-03-20 04:35:04 +00:00 committed by David S. Miller
parent ce835e513a
commit b0a217f858
1 changed files with 1 additions and 0 deletions
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arch/sparc/include/asm/cmpxchg_64.h
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@ -141,5 +141,6 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
cmpxchg_local((ptr), (o), (n)); \
})
#define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n))
#endif /* __ARCH_SPARC64_CMPXCHG__ */