diff options
| author | Matthew Wilcox <matthew@wil.cx> | 2009-01-06 14:40:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:10 -0800 |
| commit | ea435467500612636f8f4fb639ff6e76b2496e4b (patch) | |
| tree | fdf5cb7ca3834f0a4120fb3cce5a631dd2769f26 /arch/parisc | |
| parent | f99ebf0a86de13f77bc4ee349de96db9f2f67f2e (diff) | |
atomic_t: unify all arch definitions
The atomic_t type cannot currently be used in some header files because it
would create an include loop with asm/atomic.h. Move the type definition
to linux/types.h to break the loop.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/atomic.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 57fcc4a5ebb4..edbfe25c5fc1 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -155,14 +155,11 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) #endif -/* Note that we need not lock read accesses - aligned word writes/reads - * are atomic, so a reader never sees unconsistent values. - * - * Cache-line alignment would conflict with, for example, linux/module.h +/* + * Note that we need not lock read accesses - aligned word writes/reads + * are atomic, so a reader never sees inconsistent values. */ -typedef struct { volatile int counter; } atomic_t; - /* It's possible to reduce all atomic operations to either * __atomic_add_return, atomic_set and atomic_read (the latter * is there only for consistency). @@ -260,8 +257,6 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #ifdef CONFIG_64BIT -typedef struct { volatile s64 counter; } atomic64_t; - #define ATOMIC64_INIT(i) ((atomic64_t) { (i) }) static __inline__ int |