Messages in this thread Patch in this message | | | Date | Mon, 13 Aug 2007 07:15:59 -0400 | From | Chris Snook <> | Subject | [PATCH 7/23] make atomic_read() and atomic_set() behavior consistent on frv |
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From: Chris Snook <csnook@redhat.com>
Use volatile consistently in atomic.h on frv.
Signed-off-by: Chris Snook <csnook@redhat.com>
--- linux-2.6.23-rc3-orig/include/asm-frv/atomic.h 2007-07-08 19:32:17.000000000 -0400 +++ linux-2.6.23-rc3/include/asm-frv/atomic.h 2007-08-13 05:27:08.000000000 -0400 @@ -40,8 +40,16 @@ typedef struct { } 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; +} #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS static inline int atomic_add_return(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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