Messages in this thread Patch in this message | | | Date | Mon, 13 Aug 2007 07:26:53 -0400 | From | Chris Snook <> | Subject | [PATCH 12/23] make atomic_read() and atomic_set() behavior consistent on m68knommu |
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From: Chris Snook <csnook@redhat.com>
Use volatile consistently in atomic.h on m68knommu.
Signed-off-by: Chris Snook <csnook@redhat.com>
--- linux-2.6.23-rc3-orig/include/asm-m68knommu/atomic.h 2007-07-08 19:32:17.000000000 -0400 +++ linux-2.6.23-rc3/include/asm-m68knommu/atomic.h 2007-08-13 05:47:46.000000000 -0400 @@ -15,8 +15,15 @@ typedef struct { int counter; } atomic_t; #define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic_set(v, i) (((v)->counter) = i) +static inline int atomic_read(atomic_t *v) +{ + return *(volatile int *)&v->counter; +} + +static inline void atomic_set(atomic_t *v, int i) +{ + *(volatile int *)&v->counter = i; +} static __inline__ void atomic_add(int i, atomic_t *v) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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