From: Chris Snook <[email protected]>
Use volatile consistently in atomic.h on sparc64.
Signed-off-by: Chris Snook <[email protected]>
--- linux-2.6.23-rc3-orig/include/asm-sparc64/atomic.h 2007-07-08 19:32:17.000000000 -0400
+++ linux-2.6.23-rc3/include/asm-sparc64/atomic.h 2007-08-13 06:17:01.000000000 -0400
@@ -11,17 +11,31 @@
#include <linux/types.h>
#include <asm/system.h>
-typedef struct { volatile int counter; } atomic_t;
-typedef struct { volatile __s64 counter; } atomic64_t;
+typedef struct { int counter; } atomic_t;
+typedef struct { __s64 counter; } atomic64_t;
#define ATOMIC_INIT(i) { (i) }
#define ATOMIC64_INIT(i) { (i) }
-#define atomic_read(v) ((v)->counter)
-#define atomic64_read(v) ((v)->counter)
+static __inline__ int atomic_read(atomic_t *v)
+{
+ return *(volatile int *)&v->counter;
+}
+
+static __inline__ __s64 atomic64_read(atomic64_t *v)
+{
+ return *(volatile __s64 *)&v->counter;
+}
-#define atomic_set(v, i) (((v)->counter) = i)
-#define atomic64_set(v, i) (((v)->counter) = i)
+static __inline__ void atomic_set(atomic_t *v, int i)
+{
+ *(volatile int *)&v->counter = i;
+}
+
+static __inline__ void atomic64_set(atomic64_t *v, __s64 i)
+{
+ *(volatile __s64 *)&v->counter = i;
+}
extern void atomic_add(int, atomic_t *);
extern void atomic64_add(int, atomic64_t *);
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
