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authorJeff Garzik <jgarzik@pobox.com>2005-07-30 18:14:15 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-07-30 18:14:15 -0400
commita670fcb43f01a67ef56176afc76e5d43d128b25c (patch)
tree09c9411c78a33ff980e9ea871bc7686e7589abbf /include/asm-arm/bitops.h
parent327309e899662b482c58cf25f574513d38b5788c (diff)
parentb0825488a642cadcf39709961dde61440cb0731c (diff)
downloadop-kernel-dev-a670fcb43f01a67ef56176afc76e5d43d128b25c.zip
op-kernel-dev-a670fcb43f01a67ef56176afc76e5d43d128b25c.tar.gz
/spare/repo/netdev-2.6 branch 'master'
Diffstat (limited to 'include/asm-arm/bitops.h')
-rw-r--r--include/asm-arm/bitops.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
index 4edd4dc..aad7aad 100644
--- a/include/asm-arm/bitops.h
+++ b/include/asm-arm/bitops.h
@@ -21,8 +21,8 @@
#include <asm/system.h>
-#define smp_mb__before_clear_bit() do { } while (0)
-#define smp_mb__after_clear_bit() do { } while (0)
+#define smp_mb__before_clear_bit() mb()
+#define smp_mb__after_clear_bit() mb()
/*
* These functions are the basis of our bit ops.
@@ -229,6 +229,7 @@ extern int _find_next_zero_bit_be(const void * p, int size, int offset);
extern int _find_first_bit_be(const unsigned long *p, unsigned size);
extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
+#ifndef CONFIG_SMP
/*
* The __* form of bitops are non-atomic and may be reordered.
*/
@@ -241,6 +242,10 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
(__builtin_constant_p(nr) ? \
____atomic_##name(nr, p) : \
_##name##_be(nr,p))
+#else
+#define ATOMIC_BITOP_LE(name,nr,p) _##name##_le(nr,p)
+#define ATOMIC_BITOP_BE(name,nr,p) _##name##_be(nr,p)
+#endif
#define NONATOMIC_BITOP(name,nr,p) \
(____nonatomic_##name(nr, p))
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