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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 22:17:06 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 22:17:06 +0400
commitdb08bf0877f3464fb0c2c37dcdd9f9683192ea26 (patch)
treec9d47587ac07cb1622156899414c78f097fcb0c9 /include/asm-generic/system.h
parent092e0e7e520a1fca03e13c9f2d157432a8657ff2 (diff)
parent35dbc0e020c6587f78a6c17693beca73aead7b54 (diff)
downloadlinux-db08bf0877f3464fb0c2c37dcdd9f9683192ea26.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
* git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: asm-generic/io.h: allow people to override individual funcs bitops: remove duplicated extern declarations bitops: make asm-generic/bitops/find.h more generic asm-generic: kdebug.h: Checkpatch cleanup asm-generic: fcntl: make exported headers use strict posix types asm-generic: cmpxchg does not handle non-long arguments asm-generic: make atomic_add_unless a function
Diffstat (limited to 'include/asm-generic/system.h')
-rw-r--r--include/asm-generic/system.h20
1 files changed, 1 insertions, 19 deletions
diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h
index efa403b5e121..4b0b9cbbfae5 100644
--- a/include/asm-generic/system.h
+++ b/include/asm-generic/system.h
@@ -21,6 +21,7 @@
#include <linux/irqflags.h>
#include <asm/cmpxchg-local.h>
+#include <asm/cmpxchg.h>
struct task_struct;
@@ -136,25 +137,6 @@ unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
#define xchg(ptr, x) \
((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-static inline unsigned long __cmpxchg(volatile unsigned long *m,
- unsigned long old, unsigned long new)
-{
- unsigned long retval;
- unsigned long flags;
-
- local_irq_save(flags);
- retval = *m;
- if (retval == old)
- *m = new;
- local_irq_restore(flags);
- return retval;
-}
-
-#define cmpxchg(ptr, o, n) \
- ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \
- (unsigned long)(o), \
- (unsigned long)(n)))
-
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */