irq_desc_lock_class 25 kernel/irq/irqdesc.c static struct lock_class_key irq_desc_lock_class; irq_desc_lock_class 405 kernel/irq/irqdesc.c lockdep_set_class(&desc->lock, &irq_desc_lock_class); irq_desc_lock_class 574 kernel/irq/irqdesc.c lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);