74 	struct task_struct	*kthread;  member
165 	if (!kdata->kthread)  in trace_hwlat_callback()
393 	struct task_struct *kthread;  in stop_single_kthread()  local
396 	kthread = kdata->kthread;  in stop_single_kthread()
398 	if (!kthread)  in stop_single_kthread()
401 	kthread_stop(kthread);  in stop_single_kthread()
402 	kdata->kthread = NULL;  in stop_single_kthread()
419 	struct task_struct *kthread;  in start_single_kthread()  local
423 	if (kdata->kthread)  in start_single_kthread()
426 	kthread = kthread_create(kthread_fn, NULL, "hwlatd");  in start_single_kthread()
427 	if (IS_ERR(kthread)) {  in start_single_kthread()
443 	set_cpus_allowed_ptr(kthread, current_mask);  in start_single_kthread()
445 	kdata->kthread = kthread;  in start_single_kthread()
446 	wake_up_process(kthread);  in start_single_kthread()
458 	struct task_struct *kthread;  in stop_cpu_kthread()  local
460 	kthread = per_cpu(hwlat_per_cpu_data, cpu).kthread;  in stop_cpu_kthread()
461 	if (kthread)  in stop_cpu_kthread()
462 		kthread_stop(kthread);  in stop_cpu_kthread()
463 	per_cpu(hwlat_per_cpu_data, cpu).kthread = NULL;  in stop_cpu_kthread()
487 	struct task_struct *kthread;  in start_cpu_kthread()  local
490 	if (per_cpu(hwlat_per_cpu_data, cpu).kthread)  in start_cpu_kthread()
493 	kthread = kthread_run_on_cpu(kthread_fn, NULL, cpu, "hwlatd/%u");  in start_cpu_kthread()
494 	if (IS_ERR(kthread)) {  in start_cpu_kthread()
499 	per_cpu(hwlat_per_cpu_data, cpu).kthread = kthread;  in start_cpu_kthread()