diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/spinlock_debug.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c index 4755b98b6df..5f3eacdd617 100644 --- a/lib/spinlock_debug.c +++ b/lib/spinlock_debug.c @@ -49,13 +49,10 @@ void __rwlock_init(rwlock_t *lock, const char *name, EXPORT_SYMBOL(__rwlock_init); -static void spin_bug(raw_spinlock_t *lock, const char *msg) +static void spin_dump(raw_spinlock_t *lock, const char *msg) { struct task_struct *owner = NULL; - if (!debug_locks_off()) - return; - if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT) owner = lock->owner; printk(KERN_EMERG "BUG: spinlock %s on CPU#%d, %s/%d\n", @@ -70,6 +67,14 @@ static void spin_bug(raw_spinlock_t *lock, const char *msg) dump_stack(); } +static void spin_bug(raw_spinlock_t *lock, const char *msg) +{ + if (!debug_locks_off()) + return; + + spin_dump(lock, msg); +} + #define SPIN_BUG_ON(cond, lock, msg) if (unlikely(cond)) spin_bug(lock, msg) static inline void @@ -113,11 +118,7 @@ static void __spin_lock_debug(raw_spinlock_t *lock) /* lockup suspected: */ if (print_once) { print_once = 0; - printk(KERN_EMERG "BUG: spinlock lockup on CPU#%d, " - "%s/%d, %p\n", - raw_smp_processor_id(), current->comm, - task_pid_nr(current), lock); - dump_stack(); + spin_dump(lock, "lockup"); #ifdef CONFIG_SMP trigger_all_cpu_backtrace(); #endif |