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authorIngo Molnar <mingo@elte.hu>2010-05-20 14:38:55 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-20 14:38:55 +0200
commitdfacc4d6c98b89609250269f518c1f54c30454ef (patch)
treee7effbee7bdc85d18f7b26ab9cb5c9f700d1481a /arch/sparc/include/asm/atomic_32.h
parentf869097e884d8cb65b2bb7831ca57b7dffb66fdd (diff)
parent85cb68b27c428d477169f3aa46c72dba103a17bd (diff)
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/core
Diffstat (limited to 'arch/sparc/include/asm/atomic_32.h')
-rw-r--r--arch/sparc/include/asm/atomic_32.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index f0d343c3b956..7ae128b19d3f 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -25,7 +25,7 @@ extern int atomic_cmpxchg(atomic_t *, int, int);
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v)))
#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v)))