diff options
author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-08-06 12:42:33 -0500 |
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committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-08-06 12:42:33 -0500 |
commit | 00dd7b7d26a3bf3780cfcebfdde2b86126b3a082 (patch) | |
tree | 5129fd1abc99d0c58a520938f28bf330ae94ef30 /lib/spinlock_debug.c | |
parent | 58b3ac07fed31ffc1349380b78305af6522fe1f4 (diff) | |
parent | 6e1e63259b1e01f047796e7985d960ca040993e6 (diff) |
Merge ../linux-2.6
Conflicts:
arch/ia64/hp/sim/simscsi.c
Stylistic differences in two separate fixes for buffer->request_buffer
problem.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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); } |