X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Flockdep.c;h=81a4e4a3f087adfc650eb6baf2c05147f209e062;hb=354d60c2ff72d86627dfe2089d186824abf4bb8e;hp=e2c07ece367d1f9793f68c21a03a80701a09509f;hpb=fabe874a48de45b137f99b4ed3641e0413f465ce;p=linux-2.6-omap-h63xx.git diff --git a/kernel/lockdep.c b/kernel/lockdep.c index e2c07ece367..81a4e4a3f08 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -779,6 +779,10 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) * parallel walking of the hash-list safe: */ list_add_tail_rcu(&class->hash_entry, hash_head); + /* + * Add it to the global list of classes: + */ + list_add_tail_rcu(&class->lock_entry, &all_lock_classes); if (verbose(class)) { graph_unlock(); @@ -2282,10 +2286,6 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, return 0; break; case LOCK_USED: - /* - * Add it to the global list of classes: - */ - list_add_tail_rcu(&this->class->lock_entry, &all_lock_classes); debug_atomic_dec(&nr_unused_locks); break; default: @@ -3206,7 +3206,11 @@ retry: EXPORT_SYMBOL_GPL(debug_show_all_locks); -void debug_show_held_locks(struct task_struct *task) +/* + * Careful: only use this function if you are sure that + * the task cannot run in parallel! + */ +void __debug_show_held_locks(struct task_struct *task) { if (unlikely(!debug_locks)) { printk("INFO: lockdep is turned off.\n"); @@ -3214,6 +3218,12 @@ void debug_show_held_locks(struct task_struct *task) } lockdep_print_held_locks(task); } +EXPORT_SYMBOL_GPL(__debug_show_held_locks); + +void debug_show_held_locks(struct task_struct *task) +{ + __debug_show_held_locks(task); +} EXPORT_SYMBOL_GPL(debug_show_held_locks);