27 task_work_add(struct task_struct *task, struct callback_head *work, bool notify)  in task_work_add()  argument
32 		head = ACCESS_ONCE(task->task_works);  in task_work_add()
36 	} while (cmpxchg(&task->task_works, head, work) != head);  in task_work_add()
39 		set_notify_resume(task);  in task_work_add()
55 task_work_cancel(struct task_struct *task, task_work_func_t func)  in task_work_cancel()  argument
57 	struct callback_head **pprev = &task->task_works;  in task_work_cancel()
66 	raw_spin_lock_irqsave(&task->pi_lock, flags);  in task_work_cancel()
74 	raw_spin_unlock_irqrestore(&task->pi_lock, flags);  in task_work_cancel()
89 	struct task_struct *task = current;  in task_work_run()  local
98 			work = ACCESS_ONCE(task->task_works);  in task_work_run()
99 			head = !work && (task->flags & PF_EXITING) ?  in task_work_run()
101 		} while (cmpxchg(&task->task_works, work, head) != work);  in task_work_run()
110 		raw_spin_unlock_wait(&task->pi_lock);  in task_work_run()