58 	struct cpu_stopper *stopper = per_cpu_ptr(&cpu_stopper, task_cpu(task));  in print_stop_info()  local
60 	if (task != stopper->thread)  in print_stop_info()
63 	printk("%sStopper: %pS <- %pS\n", log_lvl, stopper->fn, (void *)stopper->caller);  in print_stop_info()
84 static void __cpu_stop_queue_work(struct cpu_stopper *stopper,  in __cpu_stop_queue_work()  argument
87 	list_add_tail(&work->list, &stopper->works);  in __cpu_stop_queue_work()
93 	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in cpu_stop_queue_work()  local
98 	raw_spin_lock_irqsave(&stopper->lock, flags);  in cpu_stop_queue_work()
99 	enabled = stopper->enabled;  in cpu_stop_queue_work()
101 		__cpu_stop_queue_work(stopper, work);  in cpu_stop_queue_work()
104 	raw_spin_unlock_irqrestore(&stopper->lock, flags);  in cpu_stop_queue_work()
107 		wake_up_process(stopper->thread);  in cpu_stop_queue_work()
477 	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in cpu_stop_should_run()  local
481 	raw_spin_lock_irqsave(&stopper->lock, flags);  in cpu_stop_should_run()
482 	run = !list_empty(&stopper->works);  in cpu_stop_should_run()
483 	raw_spin_unlock_irqrestore(&stopper->lock, flags);  in cpu_stop_should_run()
489 	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in cpu_stopper_thread()  local
494 	raw_spin_lock_irq(&stopper->lock);  in cpu_stopper_thread()
495 	if (!list_empty(&stopper->works)) {  in cpu_stopper_thread()
496 		work = list_first_entry(&stopper->works,  in cpu_stopper_thread()
500 	raw_spin_unlock_irq(&stopper->lock);  in cpu_stopper_thread()
509 		stopper->caller = work->caller;  in cpu_stopper_thread()
510 		stopper->fn = fn;  in cpu_stopper_thread()
519 		stopper->fn = NULL;  in cpu_stopper_thread()
520 		stopper->caller = 0;  in cpu_stopper_thread()
529 	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in stop_machine_park()  local
535 	stopper->enabled = false;  in stop_machine_park()
536 	kthread_park(stopper->thread);  in stop_machine_park()
546 	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in cpu_stop_park()  local
548 	WARN_ON(!list_empty(&stopper->works));  in cpu_stop_park()
553 	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in stop_machine_unpark()  local
555 	stopper->enabled = true;  in stop_machine_unpark()
556 	kthread_unpark(stopper->thread);  in stop_machine_unpark()
574 		struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);  in cpu_stop_init()  local
576 		raw_spin_lock_init(&stopper->lock);  in cpu_stop_init()
577 		INIT_LIST_HEAD(&stopper->works);  in cpu_stop_init()