diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
commit | 0612ec48762bf8712db1925b2e67246d2237ebab (patch) | |
tree | 01b0d69c9c9915015c0f23ad4263646dd5413e99 /lib/spinlock_debug.c | |
parent | 4263cf0fac28122c8381b6f4f9441a43cd93c81f (diff) | |
parent | 47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 3d9c4dc965ed..58c577dd82e5 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); } |