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| author | Anton Blanchard <anton@samba.org> | 2010-05-17 14:33:53 +1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-17 07:57:27 -0700 |
| commit | f3d46f9d3194e0329216002a8724d4c0957abc79 (patch) | |
| tree | 6d9413e4a448d7b8d342c40297c4fbe0b9c4c2f0 /arch/parisc/include | |
| parent | e40152ee1e1c7a63f4777791863215e3faa37a86 (diff) | |
| download | linux-f3d46f9d3194e0329216002a8724d4c0957abc79.tar.gz linux-f3d46f9d3194e0329216002a8724d4c0957abc79.tar.bz2 linux-f3d46f9d3194e0329216002a8724d4c0957abc79.zip | |
atomic_t: Cast to volatile when accessing atomic variables
In preparation for removing volatile from the atomic_t definition, this
patch adds a volatile cast to all the atomic read functions.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc/include')
| -rw-r--r-- | arch/parisc/include/asm/atomic.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 716634d1f546..f81955934aeb 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -189,7 +189,7 @@ static __inline__ void atomic_set(atomic_t *v, int i) static __inline__ int atomic_read(const atomic_t *v) { - return v->counter; + return (*(volatile int *)&(v)->counter); } /* exported interface */ @@ -286,7 +286,7 @@ atomic64_set(atomic64_t *v, s64 i) static __inline__ s64 atomic64_read(const atomic64_t *v) { - return v->counter; + return (*(volatile long *)&(v)->counter); } #define atomic64_add(i,v) ((void)(__atomic64_add_return( ((s64)(i)),(v)))) |