make atomic_read() behave consistently on mips
PATCH 13/24 make atomic_read() behave consistently on mips
From: Chris Snook <[email protected]>
Purify volatile use for atomic[64]_t on mips.
Signed-off-by Chris Snook <[email protected]>
include/asm-mips/atomic.h +4 -4
@@ -20,7 +20,7 @@#include <asm/war.h> #include <asm/system.h> -typedef struct {volatile int counter; }atomic_t ; +typedef struct {int counter; }atomic_t ;#define ATOMIC_INIT (i) { (i) }
@@ -30,7 +30,7 @@ typedef struct { volatile int counter; }* * 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
@@ -404,7 +404,7 @@ static __inline__ int atomic_add_unless(#ifdef CONFIG_64BIT -typedef struct {volatile long counter; }atomic64_t ; +typedef struct {long counter; }atomic64_t ;#define ATOMIC64_INIT (i) { (i) }
@@ -413,7 +413,7 @@ typedef struct { volatile long counter;* @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
Quoted 3 lines · Chris Snook
Purify volatile use for atomic[64]_t on mips.
Signed-off-by Chris Snook <[email protected]>
Acked-by Ralf Baechle <[email protected]>