on_exit_work     1069 kernel/irq/manage.c 	struct callback_head on_exit_work;
on_exit_work     1081 kernel/irq/manage.c 	init_task_work(&on_exit_work, irq_thread_dtor);
on_exit_work     1082 kernel/irq/manage.c 	task_work_add(current, &on_exit_work, false);