atomic_t: Cast to volatile when accessing atomic variables

[cascardo/linux.git] / arch / xtensa / include / asm / atomic.h

diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index 22d6dde..a96a061 100644 (file)
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -46,7 +46,7 @@
  *
  * 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