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| author | Grant Likely <grant.likely@secretlab.ca> | 2010-12-30 08:20:30 +0300 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-12-30 08:21:47 +0300 |
| commit | d392da5207352f09030e95d9ea335a4225667ec0 (patch) | |
| tree | 7d6cd1932afcad0a5619a5c504a6d93ca318187c /include/asm-generic/system.h | |
| parent | e39d5ef678045d61812c1401f04fe8edb14d6359 (diff) | |
| parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) | |
| download | linux-d392da5207352f09030e95d9ea335a4225667ec0.tar.xz | |
Merge v2.6.37-rc8 into powerpc/next
Diffstat (limited to 'include/asm-generic/system.h')
| -rw-r--r-- | include/asm-generic/system.h | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h index efa403b5e121..4b0b9cbbfae5 100644 --- a/include/asm-generic/system.h +++ b/include/asm-generic/system.h @@ -21,6 +21,7 @@ #include <linux/irqflags.h> #include <asm/cmpxchg-local.h> +#include <asm/cmpxchg.h> struct task_struct; @@ -136,25 +137,6 @@ unsigned long __xchg(unsigned long x, volatile void *ptr, int size) #define xchg(ptr, x) \ ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) -static inline unsigned long __cmpxchg(volatile unsigned long *m, - unsigned long old, unsigned long new) -{ - unsigned long retval; - unsigned long flags; - - local_irq_save(flags); - retval = *m; - if (retval == old) - *m = new; - local_irq_restore(flags); - return retval; -} - -#define cmpxchg(ptr, o, n) \ - ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \ - (unsigned long)(o), \ - (unsigned long)(n))) - #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ |