atomic_t: Cast to volatile when accessing atomic variables

[karo-tx-linux.git] / arch / mips / include / asm / atomic.h

diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 519197ede0898f2ce7bd0a3019fd4ac1f541d057..59dc0c7ef7334b2e28e4b508e03f84e8f2ea2aca 100644 (file)
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -29,7 +29,7 @@
  *
  * Atomically reads the value of @v.
  */
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 
 /*
  * atomic_set - set atomic variable
@@ -410,7 +410,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
  * @v: pointer of type atomic64_t
  *
  */
-#define atomic64_read(v)       ((v)->counter)
+#define atomic64_read(v)       (*(volatile long *)&(v)->counter)
 
 /*
  * atomic64_set - set atomic variable