237 	if (dev->worker) {  in vhost_work_flush()
257 	if (!dev->worker)  in vhost_work_queue()
266 		wake_up_process(dev->worker);  in vhost_work_queue()
409 	dev->worker = NULL;  in vhost_dev_init()
475 	struct task_struct *worker;  in vhost_dev_set_owner()  local
486 	worker = kthread_create(vhost_worker, dev, "vhost-%d", current->pid);  in vhost_dev_set_owner()
487 	if (IS_ERR(worker)) {  in vhost_dev_set_owner()
488 		err = PTR_ERR(worker);  in vhost_dev_set_owner()
492 	dev->worker = worker;  in vhost_dev_set_owner()
493 	wake_up_process(worker);	/* avoid contributing to loadavg */  in vhost_dev_set_owner()
505 	kthread_stop(worker);  in vhost_dev_set_owner()
506 	dev->worker = NULL;  in vhost_dev_set_owner()
636 	if (dev->worker) {  in vhost_dev_cleanup()
637 		kthread_stop(dev->worker);  in vhost_dev_cleanup()
638 		dev->worker = NULL;  in vhost_dev_cleanup()