132 	} teardown;  member
150 	return bringup ? !step->startup.single : !step->teardown.single;  in cpuhp_step_empty()
187 		cb = bringup ? step->startup.single : step->teardown.single;  in cpuhp_invoke_callback()
194 	cbm = bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
228 	cbm = !bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
1641 		.teardown.single	= NULL,
1647 		.teardown.single	= NULL,
1653 		.teardown.single	= perf_event_exit_cpu,
1658 		.teardown.single	= NULL,
1663 		.teardown.single	= hrtimers_dead_cpu,
1668 		.teardown.single	= smpcfd_dead_cpu,
1673 		.teardown.single	= NULL,
1678 		.teardown.single	= slab_dead_cpu,
1683 		.teardown.single	= rcutree_dead_cpu,
1693 		.teardown.single	= timers_dead_cpu,
1699 		.teardown.single	= finish_cpu,
1718 		.teardown.single	= sched_cpu_dying,
1723 		.teardown.single	= rcutree_dying_cpu,
1728 		.teardown.single	= smpcfd_dying_cpu,
1742 		.teardown.single	= takedown_cpu,
1749 		.teardown.single	= sched_cpu_wait_empty,
1756 		.teardown.single	= smpboot_park_threads,
1761 		.teardown.single	= NULL,
1766 		.teardown.single	= perf_event_exit_cpu,
1771 		.teardown.single	= lockup_detector_offline_cpu,
1776 		.teardown.single	= workqueue_offline_cpu,
1781 		.teardown.single	= rcutree_offline_cpu,
1793 		.teardown.single	= sched_cpu_deactivate,
1801 		.teardown.single	= NULL,
1846 				 int (*teardown)(unsigned int cpu),  in cpuhp_store_callbacks()
1874 	sp->teardown.single = teardown;  in cpuhp_store_callbacks()
1883 	return cpuhp_get_step(state)->teardown.single;  in cpuhp_get_teardown_cb()
1974 			if (sp->teardown.multi)  in __cpuhp_state_add_instance_cpuslocked()
2020 				   int (*teardown)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
2033 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
2058 			if (teardown)  in __cpuhp_setup_state_cpuslocked()
2079 			int (*teardown)(unsigned int cpu),  in __cpuhp_setup_state()
2086 					     teardown, multi_instance);  in __cpuhp_setup_state()
2355 	if (!sp->startup.single && !sp->teardown.single)  in fail_store()