diff options
author | Paul Mackerras <paulus@samba.org> | 2006-08-08 17:09:11 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-08-08 17:09:11 +1000 |
commit | 32bc6e095d75233e7c87cc6fa0e07942b124d194 (patch) | |
tree | 8f83ef9a23d52d1305878b65dd98fc22b09b7f3e /lib/spinlock_debug.c | |
parent | 5cf13911b1e72707b6f0eb39b2d819ec6e343d76 (diff) | |
parent | 81b73dd92b97423b8f5324a59044da478c04f4c4 (diff) | |
download | kernel-crypto-32bc6e095d75233e7c87cc6fa0e07942b124d194.tar.gz kernel-crypto-32bc6e095d75233e7c87cc6fa0e07942b124d194.tar.xz kernel-crypto-32bc6e095d75233e7c87cc6fa0e07942b124d194.zip |
Merge branch 'merge'
Diffstat (limited to 'lib/spinlock_debug.c')
-rw-r--r-- | lib/spinlock_debug.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c index 3d9c4dc965e..58c577dd82e 100644 --- a/lib/spinlock_debug.c +++ b/lib/spinlock_debug.c @@ -162,6 +162,7 @@ static void rwlock_bug(rwlock_t *lock, const char *msg) #define RWLOCK_BUG_ON(cond, lock, msg) if (unlikely(cond)) rwlock_bug(lock, msg) +#if 0 /* __write_lock_debug() can lock up - maybe this can too? */ static void __read_lock_debug(rwlock_t *lock) { int print_once = 1; @@ -184,12 +185,12 @@ static void __read_lock_debug(rwlock_t *lock) } } } +#endif void _raw_read_lock(rwlock_t *lock) { RWLOCK_BUG_ON(lock->magic != RWLOCK_MAGIC, lock, "bad magic"); - if (unlikely(!__raw_read_trylock(&lock->raw_lock))) - __read_lock_debug(lock); + __raw_read_lock(&lock->raw_lock); } int _raw_read_trylock(rwlock_t *lock) @@ -235,6 +236,7 @@ static inline void debug_write_unlock(rwlock_t *lock) lock->owner_cpu = -1; } +#if 0 /* This can cause lockups */ static void __write_lock_debug(rwlock_t *lock) { int print_once = 1; @@ -257,12 +259,12 @@ static void __write_lock_debug(rwlock_t *lock) } } } +#endif void _raw_write_lock(rwlock_t *lock) { debug_write_lock_before(lock); - if (unlikely(!__raw_write_trylock(&lock->raw_lock))) - __write_lock_debug(lock); + __raw_write_lock(&lock->raw_lock); debug_write_lock_after(lock); } |