238 	if (dev->worker) {  in vhost_work_flush()
258 	if (!dev->worker)  in vhost_work_queue()
267 		wake_up_process(dev->worker);  in vhost_work_queue()
428 	dev->worker = NULL;  in vhost_dev_init()
494 	struct task_struct *worker;  in vhost_dev_set_owner()  local
505 	worker = kthread_create(vhost_worker, dev, "vhost-%d", current->pid);  in vhost_dev_set_owner()
506 	if (IS_ERR(worker)) {  in vhost_dev_set_owner()
507 		err = PTR_ERR(worker);  in vhost_dev_set_owner()
511 	dev->worker = worker;  in vhost_dev_set_owner()
512 	wake_up_process(worker);	/* avoid contributing to loadavg */  in vhost_dev_set_owner()
524 	kthread_stop(worker);  in vhost_dev_set_owner()
525 	dev->worker = NULL;  in vhost_dev_set_owner()
638 	if (dev->worker) {  in vhost_dev_cleanup()
639 		kthread_stop(dev->worker);  in vhost_dev_cleanup()
640 		dev->worker = NULL;  in vhost_dev_cleanup()