diff options
author | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 04:22:15 -0400 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 04:22:59 -0400 |
commit | 07f9479a40cc778bc1462ada11f95b01360ae4ff (patch) | |
tree | 0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /include/linux/bit_spinlock.h | |
parent | 9d5e6bdb3013acfb311ab407eeca0b6a6a3dedbf (diff) | |
parent | cd2e49e90f1cae7726c9a2c54488d881d7f1cd1c (diff) |
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
Diffstat (limited to 'include/linux/bit_spinlock.h')
-rw-r--r-- | include/linux/bit_spinlock.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h index e612575a2596..b4326bfa684f 100644 --- a/include/linux/bit_spinlock.h +++ b/include/linux/bit_spinlock.h | |||
@@ -23,11 +23,11 @@ static inline void bit_spin_lock(int bitnum, unsigned long *addr) | |||
23 | preempt_disable(); | 23 | preempt_disable(); |
24 | #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) | 24 | #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) |
25 | while (unlikely(test_and_set_bit_lock(bitnum, addr))) { | 25 | while (unlikely(test_and_set_bit_lock(bitnum, addr))) { |
26 | while (test_bit(bitnum, addr)) { | 26 | preempt_enable(); |
27 | preempt_enable(); | 27 | do { |
28 | cpu_relax(); | 28 | cpu_relax(); |
29 | preempt_disable(); | 29 | } while (test_bit(bitnum, addr)); |
30 | } | 30 | preempt_disable(); |
31 | } | 31 | } |
32 | #endif | 32 | #endif |
33 | __acquire(bitlock); | 33 | __acquire(bitlock); |