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atomic_t: unify all arch definitions

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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>
This commit is contained in:
Matthew Wilcox
2009-01-06 14:40:39 -08:00
committed by Linus Torvalds
parent f99ebf0a86
commit ea43546750
23 changed files with 33 additions and 104 deletions
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11
arch/parisc/include/asm/atomic.h
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@@ -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