diff options
Diffstat (limited to 'kernel/locking/lockdep.c')
| -rw-r--r-- | kernel/locking/lockdep.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 511d30f88bce..a0f83058d6aa 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -139,7 +139,7 @@ static struct lock_list list_entries[MAX_LOCKDEP_ENTRIES]; * get freed - this significantly simplifies the debugging code. */ unsigned long nr_lock_classes; -static struct lock_class lock_classes[MAX_LOCKDEP_KEYS]; +struct lock_class lock_classes[MAX_LOCKDEP_KEYS]; static inline struct lock_class *hlock_class(struct held_lock *hlock) { @@ -436,6 +436,7 @@ unsigned int max_lockdep_depth; * Various lockdep statistics: */ DEFINE_PER_CPU(struct lockdep_stats, lockdep_stats); +DEFINE_PER_CPU(unsigned long [MAX_LOCKDEP_KEYS], lock_class_ops); #endif /* @@ -1392,7 +1393,9 @@ static void print_lock_class_header(struct lock_class *class, int depth) printk("%*s->", depth, ""); print_lock_name(class); - printk(KERN_CONT " ops: %lu", class->ops); +#ifdef CONFIG_DEBUG_LOCKDEP + printk(KERN_CONT " ops: %lu", debug_class_ops_read(class)); +#endif printk(KERN_CONT " {\n"); for (bit = 0; bit < LOCK_USAGE_STATES; bit++) { @@ -3227,7 +3230,9 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, if (!class) return 0; } - atomic_inc((atomic_t *)&class->ops); + + debug_class_ops_inc(class); + if (very_verbose(class)) { printk("\nacquire class [%px] %s", class->key, class->name); if (class->name_version > 1) |