From: Chris Snook <[email protected]>
Use volatile consistently in atomic.h on m32r.
Signed-off-by: Chris Snook <[email protected]>
--- linux-2.6.23-rc3-orig/include/asm-m32r/atomic.h 2007-07-08 19:32:17.000000000 -0400
+++ linux-2.6.23-rc3/include/asm-m32r/atomic.h 2007-08-13 05:42:09.000000000 -0400
@@ -22,7 +22,7 @@
* on us. We need to use _exactly_ the address the user gave us,
* not some alias that contains the same information.
*/
-typedef struct { volatile int counter; } atomic_t;
+typedef struct { int counter; } atomic_t;
#define ATOMIC_INIT(i) { (i) }
@@ -32,7 +32,10 @@ typedef struct { volatile int counter; }
*
* Atomically reads the value of @v.
*/
-#define atomic_read(v) ((v)->counter)
+static __inline__ int atomic_read(atomic_t *v)
+{
+ return *(volatile int *)&v->counter;
+}
/**
* atomic_set - set atomic variable
@@ -41,7 +44,10 @@ typedef struct { volatile int counter; }
*
* Atomically sets the value of @v to @i.
*/
-#define atomic_set(v,i) (((v)->counter) = (i))
+static __inline__ void atomic_set(atomic_t *v, int i)
+{
+ *(volatile int *)&v->counter = i;
+}
/**
* atomic_add_return - add integer to atomic variable and return it
-
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]
