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-rw-r--r--arch/cris/include/asm/bitops.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h
index 053c17b36559..bd49a546f4f5 100644
--- a/arch/cris/include/asm/bitops.h
+++ b/arch/cris/include/asm/bitops.h
@@ -21,6 +21,7 @@
21#include <arch/bitops.h> 21#include <arch/bitops.h>
22#include <linux/atomic.h> 22#include <linux/atomic.h>
23#include <linux/compiler.h> 23#include <linux/compiler.h>
24#include <asm/barrier.h>
24 25
25/* 26/*
26 * set_bit - Atomically set a bit in memory 27 * set_bit - Atomically set a bit in memory
@@ -42,7 +43,7 @@
42 * 43 *
43 * clear_bit() is atomic and may not be reordered. However, it does 44 * clear_bit() is atomic and may not be reordered. However, it does
44 * not contain a memory barrier, so if it is used for locking purposes, 45 * not contain a memory barrier, so if it is used for locking purposes,
45 * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() 46 * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
46 * in order to ensure changes are visible on other processors. 47 * in order to ensure changes are visible on other processors.
47 */ 48 */
48 49
@@ -84,12 +85,6 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
84 return retval; 85 return retval;
85} 86}
86 87
87/*
88 * clear_bit() doesn't provide any barrier for the compiler.
89 */
90#define smp_mb__before_clear_bit() barrier()
91#define smp_mb__after_clear_bit() barrier()
92
93/** 88/**
94 * test_and_clear_bit - Clear a bit and return its old value 89 * test_and_clear_bit - Clear a bit and return its old value
95 * @nr: Bit to clear 90 * @nr: Bit to clear