bad_bit 3112 kernel/locking/lockdep.c enum lock_usage_bit new_bit, enum lock_usage_bit bad_bit) bad_bit 3114 kernel/locking/lockdep.c if (unlikely(hlock_class(this)->usage_mask & (1 << bad_bit))) { bad_bit 3115 kernel/locking/lockdep.c print_usage_bug(curr, this, bad_bit, new_bit);