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authorChen, Kenneth W <kenneth.w.chen@intel.com>2006-04-07 17:12:54 -0700
committerTony Luck <tony.luck@intel.com>2006-04-07 22:39:49 -0700
commitcfab9d0e1da8e08a39759d0fc3bf5e40f0ac2d55 (patch)
treee7dd4bbb97374b758bcb169b635b997c12893565 /include/asm-ia64/mutex.h
parent0681226661754a99de711cda2c2bd12ff9cd2c3b (diff)
downloadop-kernel-dev-cfab9d0e1da8e08a39759d0fc3bf5e40f0ac2d55.zip
op-kernel-dev-cfab9d0e1da8e08a39759d0fc3bf5e40f0ac2d55.tar.gz
[IA64] fix bug in ia64 __mutex_fastpath_trylock
The parenthesis around "likely" used in ia64 __mutex_fastpath_trylock is incorrect, and it leads to broken mutex_trylock. Here is the patch that fixed the bug. I removed the likely altogether because there is no branch and gcc does a reasonable job at predicating the return value. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/mutex.h')
-rw-r--r--include/asm-ia64/mutex.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-ia64/mutex.h b/include/asm-ia64/mutex.h
index 5a3224f..bed73a6 100644
--- a/include/asm-ia64/mutex.h
+++ b/include/asm-ia64/mutex.h
@@ -84,7 +84,7 @@ __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
static inline int
__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
{
- if (likely(cmpxchg_acq(count, 1, 0)) == 1)
+ if (cmpxchg_acq(count, 1, 0) == 1)
return 1;
return 0;
}
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