56 	enum cpuhp_state	state;
57 	enum cpuhp_state	target;
58 	enum cpuhp_state	fail;
67 	enum cpuhp_state	cb_state;
74 static DEFINE_PER_CPU(struct cpuhp_cpu_state, cpuhp_state) = {
132 static struct cpuhp_step *cpuhp_get_step(enum cpuhp_state state)  in cpuhp_get_step()
147 static int cpuhp_invoke_callback(unsigned int cpu, enum cpuhp_state state,  in cpuhp_invoke_callback()
151 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in cpuhp_invoke_callback()
232 static bool cpuhp_is_ap_state(enum cpuhp_state state)  in cpuhp_is_ap_state()
256 static bool cpuhp_is_atomic_state(enum cpuhp_state state)  in cpuhp_is_atomic_state()
452 static inline enum cpuhp_state
453 cpuhp_set_state(struct cpuhp_cpu_state *st, enum cpuhp_state target)  in cpuhp_set_state()
455 	enum cpuhp_state prev_state = st->state;  in cpuhp_set_state()
468 cpuhp_reset_state(struct cpuhp_cpu_state *st, enum cpuhp_state prev_state)  in cpuhp_reset_state()
504 static int cpuhp_kick_ap(struct cpuhp_cpu_state *st, enum cpuhp_state target)  in cpuhp_kick_ap()
506 	enum cpuhp_state prev_state;  in cpuhp_kick_ap()
521 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in bringup_wait_for_ap()
593 			      enum cpuhp_state target)  in cpuhp_up_callbacks()
595 	enum cpuhp_state prev_state = st->state;  in cpuhp_up_callbacks()
617 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in cpuhp_create()
625 	struct cpuhp_cpu_state *st = this_cpu_ptr(&cpuhp_state);  in cpuhp_should_run()
646 	struct cpuhp_cpu_state *st = this_cpu_ptr(&cpuhp_state);  in cpuhp_thread_fun()
648 	enum cpuhp_state state;  in cpuhp_thread_fun()
718 cpuhp_invoke_ap_callback(int cpu, enum cpuhp_state state, bool bringup,  in cpuhp_invoke_ap_callback()
721 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in cpuhp_invoke_ap_callback()
770 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in cpuhp_kick_ap_work()
771 	enum cpuhp_state prev_state = st->state;  in cpuhp_kick_ap_work()
788 	.store			= &cpuhp_state.thread,
799 	kthread_unpark(this_cpu_read(cpuhp_state.thread));  in cpuhp_threads_init()
847 	struct cpuhp_cpu_state *st = this_cpu_ptr(&cpuhp_state);  in take_cpu_down()
848 	enum cpuhp_state target = max((int)st->target, CPUHP_AP_OFFLINE);  in take_cpu_down()
883 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in takedown_cpu()
887 	kthread_park(per_cpu_ptr(&cpuhp_state, cpu)->thread);  in takedown_cpu()
903 		kthread_unpark(per_cpu_ptr(&cpuhp_state, cpu)->thread);  in takedown_cpu()
939 	struct cpuhp_cpu_state *st = this_cpu_ptr(&cpuhp_state);  in cpuhp_report_idle_dead()
959 				enum cpuhp_state target)  in cpuhp_down_callbacks()
961 	enum cpuhp_state prev_state = st->state;  in cpuhp_down_callbacks()
978 			   enum cpuhp_state target)  in _cpu_down()
980 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in _cpu_down()
1038 static int cpu_down_maps_locked(unsigned int cpu, enum cpuhp_state target)  in cpu_down_maps_locked()
1045 static int do_cpu_down(unsigned int cpu, enum cpuhp_state target)  in do_cpu_down()
1074 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in notify_cpu_starting()
1075 	enum cpuhp_state target = min((int)st->target, CPUHP_AP_ONLINE);  in notify_cpu_starting()
1095 void cpuhp_online_idle(enum cpuhp_state state)  in cpuhp_online_idle()
1097 	struct cpuhp_cpu_state *st = this_cpu_ptr(&cpuhp_state);  in cpuhp_online_idle()
1108 static int _cpu_up(unsigned int cpu, int tasks_frozen, enum cpuhp_state target)  in _cpu_up()
1110 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in _cpu_up()
1167 static int do_cpu_up(unsigned int cpu, enum cpuhp_state target)  in do_cpu_up()
1532 static int cpuhp_cb_check(enum cpuhp_state state)  in cpuhp_cb_check()
1544 static int cpuhp_reserve_state(enum cpuhp_state state)  in cpuhp_reserve_state()
1546 	enum cpuhp_state i, end;  in cpuhp_reserve_state()
1570 static int cpuhp_store_callbacks(enum cpuhp_state state, const char *name,  in cpuhp_store_callbacks()
1607 static void *cpuhp_get_teardown_cb(enum cpuhp_state state)  in cpuhp_get_teardown_cb()
1616 static int cpuhp_issue_call(int cpu, enum cpuhp_state state, bool bringup,  in cpuhp_issue_call()
1650 static void cpuhp_rollback_install(int failedcpu, enum cpuhp_state state,  in cpuhp_rollback_install()
1657 		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in cpuhp_rollback_install()
1669 int __cpuhp_state_add_instance_cpuslocked(enum cpuhp_state state,  in __cpuhp_state_add_instance_cpuslocked()
1693 		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in __cpuhp_state_add_instance_cpuslocked()
1714 int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node,  in __cpuhp_state_add_instance()
1743 int __cpuhp_setup_state_cpuslocked(enum cpuhp_state state,  in __cpuhp_setup_state_cpuslocked()
1776 		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in __cpuhp_setup_state_cpuslocked()
1802 int __cpuhp_setup_state(enum cpuhp_state state,  in __cpuhp_setup_state()
1818 int __cpuhp_state_remove_instance(enum cpuhp_state state,  in __cpuhp_state_remove_instance()
1840 		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in __cpuhp_state_remove_instance()
1866 void __cpuhp_remove_state_cpuslocked(enum cpuhp_state state, bool invoke)  in __cpuhp_remove_state_cpuslocked()
1892 		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);  in __cpuhp_remove_state_cpuslocked()
1904 void __cpuhp_remove_state(enum cpuhp_state state, bool invoke)  in __cpuhp_remove_state()
1916 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, dev->id);  in show_cpuhp_state()
1926 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, dev->id);  in write_cpuhp_target()
1965 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, dev->id);  in show_cpuhp_target()
1976 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, dev->id);  in write_cpuhp_fail()
2012 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, dev->id);  in show_cpuhp_fail()
2373 	this_cpu_write(cpuhp_state.state, CPUHP_ONLINE);  in boot_cpu_hotplug_init()