From: Chris Snook <[EMAIL PROTECTED]>
Use volatile consistently in atomic.h on parisc.
Signed-off-by: Chris Snook <[EMAIL PROTECTED]>
--- linux-2.6.23-rc3-orig/include/asm-parisc/atomic.h 2007-07-08
19:32:17.000000000 -0400
+++ linux-2.6.23-rc3/include/asm-parisc/atomic.h 2007-08-13
05:59:35.000000000 -0400
@@ -128,7 +128,7 @@ __cmpxchg(volatile void *ptr, unsigned l
* Cache-line alignment would conflict with, for example, linux/module.h
*/
-typedef struct { volatile int counter; } atomic_t;
+typedef struct { int counter; } atomic_t;
/* It's possible to reduce all atomic operations to either
* __atomic_add_return, atomic_set and atomic_read (the latter
@@ -159,7 +159,7 @@ static __inline__ void atomic_set(atomic
static __inline__ int atomic_read(const atomic_t *v)
{
- return v->counter;
+ return *(volatile int *)&v->counter;
}
/* exported interface */
@@ -227,7 +227,7 @@ static __inline__ int atomic_add_unless(
#ifdef CONFIG_64BIT
-typedef struct { volatile s64 counter; } atomic64_t;
+typedef struct { s64 counter; } atomic64_t;
#define ATOMIC64_INIT(i) ((atomic64_t) { (i) })
@@ -258,7 +258,7 @@ atomic64_set(atomic64_t *v, s64 i)
static __inline__ s64
atomic64_read(const atomic64_t *v)
{
- return v->counter;
+ return *(volatile s64 *)&v->counter;
}
#define atomic64_add(i,v) ((void)(__atomic64_add_return( ((s64)i),(v))))
-
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