261 void clear_tasks_mm_cpumask(int cpu)  in clear_tasks_mm_cpumask()  argument
272 	WARN_ON(cpu_online(cpu));  in clear_tasks_mm_cpumask()
284 		cpumask_clear_cpu(cpu, mm_cpumask(t->mm));  in clear_tasks_mm_cpumask()
339 static int _cpu_down(unsigned int cpu, int tasks_frozen)  in _cpu_down()  argument
342 	void *hcpu = (void *)(long)cpu;  in _cpu_down()
352 	if (!cpu_online(cpu))  in _cpu_down()
362 			__func__, cpu);  in _cpu_down()
381 	smpboot_park_threads(cpu);  in _cpu_down()
392 	err = stop_machine(take_cpu_down, &tcd_param, cpumask_of(cpu));  in _cpu_down()
399 	BUG_ON(cpu_online(cpu));  in _cpu_down()
408 	while (!per_cpu(cpu_dead_idle, cpu))  in _cpu_down()
411 	per_cpu(cpu_dead_idle, cpu) = false;  in _cpu_down()
416 	hotplug_cpu__broadcast_tick_pull(cpu);  in _cpu_down()
418 	__cpu_die(cpu);  in _cpu_down()
421 	tick_cleanup_dead_cpu(cpu);  in _cpu_down()
424 	check_for_tasks(cpu);  in _cpu_down()
433 int cpu_down(unsigned int cpu)  in cpu_down()  argument
444 	err = _cpu_down(cpu, 0);  in cpu_down()
459 	int cpu = (long)hcpu;  in smpboot_thread_call()  local
465 		smpboot_unpark_threads(cpu);  in smpboot_thread_call()
486 static int _cpu_up(unsigned int cpu, int tasks_frozen)  in _cpu_up()  argument
489 	void *hcpu = (void *)(long)cpu;  in _cpu_up()
495 	if (cpu_online(cpu) || !cpu_present(cpu)) {  in _cpu_up()
500 	idle = idle_thread_get(cpu);  in _cpu_up()
506 	ret = smpboot_create_threads(cpu);  in _cpu_up()
514 			__func__, cpu);  in _cpu_up()
519 	ret = __cpu_up(cpu, idle);  in _cpu_up()
523 	BUG_ON(!cpu_online(cpu));  in _cpu_up()
537 int cpu_up(unsigned int cpu)  in cpu_up()  argument
541 	if (!cpu_possible(cpu)) {  in cpu_up()
543 		       cpu);  in cpu_up()
550 	err = try_online_node(cpu_to_node(cpu));  in cpu_up()
561 	err = _cpu_up(cpu, 0);  in cpu_up()
574 	int cpu, first_cpu, error = 0;  in disable_nonboot_cpus()  local
585 	for_each_online_cpu(cpu) {  in disable_nonboot_cpus()
586 		if (cpu == first_cpu)  in disable_nonboot_cpus()
588 		trace_suspend_resume(TPS("CPU_OFF"), cpu, true);  in disable_nonboot_cpus()
589 		error = _cpu_down(cpu, 1);  in disable_nonboot_cpus()
590 		trace_suspend_resume(TPS("CPU_OFF"), cpu, false);  in disable_nonboot_cpus()
592 			cpumask_set_cpu(cpu, frozen_cpus);  in disable_nonboot_cpus()
594 			pr_err("Error taking CPU%d down: %d\n", cpu, error);  in disable_nonboot_cpus()
625 	int cpu, error;  in enable_nonboot_cpus()  local
637 	for_each_cpu(cpu, frozen_cpus) {  in enable_nonboot_cpus()
638 		trace_suspend_resume(TPS("CPU_ON"), cpu, true);  in enable_nonboot_cpus()
639 		error = _cpu_up(cpu, 1);  in enable_nonboot_cpus()
640 		trace_suspend_resume(TPS("CPU_ON"), cpu, false);  in enable_nonboot_cpus()
642 			pr_info("CPU%d is up\n", cpu);  in enable_nonboot_cpus()
645 		pr_warn("Error taking CPU%d up: %d\n", cpu, error);  in enable_nonboot_cpus()
720 void notify_cpu_starting(unsigned int cpu)  in notify_cpu_starting()  argument
725 	if (frozen_cpus != NULL && cpumask_test_cpu(cpu, frozen_cpus))  in notify_cpu_starting()
728 	cpu_notify(val, (void *)(long)cpu);  in notify_cpu_starting()
782 void set_cpu_possible(unsigned int cpu, bool possible)  in set_cpu_possible()  argument
785 		cpumask_set_cpu(cpu, to_cpumask(cpu_possible_bits));  in set_cpu_possible()
787 		cpumask_clear_cpu(cpu, to_cpumask(cpu_possible_bits));  in set_cpu_possible()
790 void set_cpu_present(unsigned int cpu, bool present)  in set_cpu_present()  argument
793 		cpumask_set_cpu(cpu, to_cpumask(cpu_present_bits));  in set_cpu_present()
795 		cpumask_clear_cpu(cpu, to_cpumask(cpu_present_bits));  in set_cpu_present()
798 void set_cpu_online(unsigned int cpu, bool online)  in set_cpu_online()  argument
801 		cpumask_set_cpu(cpu, to_cpumask(cpu_online_bits));  in set_cpu_online()
802 		cpumask_set_cpu(cpu, to_cpumask(cpu_active_bits));  in set_cpu_online()
804 		cpumask_clear_cpu(cpu, to_cpumask(cpu_online_bits));  in set_cpu_online()
808 void set_cpu_active(unsigned int cpu, bool active)  in set_cpu_active()  argument
811 		cpumask_set_cpu(cpu, to_cpumask(cpu_active_bits));  in set_cpu_active()
813 		cpumask_clear_cpu(cpu, to_cpumask(cpu_active_bits));  in set_cpu_active()