134 	} teardown;  member
152 	return bringup ? !step->startup.single : !step->teardown.single;  in cpuhp_step_empty()
189 		cb = bringup ? step->startup.single : step->teardown.single;  in cpuhp_invoke_callback()
196 	cbm = bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
230 	cbm = !bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
1660 		.teardown.single	= NULL,
1666 		.teardown.single	= NULL,
1672 		.teardown.single	= perf_event_exit_cpu,
1677 		.teardown.single	= NULL,
1682 		.teardown.single	= NULL,
1687 		.teardown.single	= hrtimers_dead_cpu,
1692 		.teardown.single	= smpcfd_dead_cpu,
1697 		.teardown.single	= NULL,
1702 		.teardown.single	= slab_dead_cpu,
1707 		.teardown.single	= rcutree_dead_cpu,
1717 		.teardown.single	= timers_dead_cpu,
1723 		.teardown.single	= finish_cpu,
1742 		.teardown.single	= sched_cpu_dying,
1747 		.teardown.single	= rcutree_dying_cpu,
1752 		.teardown.single	= smpcfd_dying_cpu,
1766 		.teardown.single	= takedown_cpu,
1773 		.teardown.single	= sched_cpu_wait_empty,
1780 		.teardown.single	= smpboot_park_threads,
1785 		.teardown.single	= NULL,
1790 		.teardown.single	= perf_event_exit_cpu,
1795 		.teardown.single	= lockup_detector_offline_cpu,
1800 		.teardown.single	= workqueue_offline_cpu,
1805 		.teardown.single	= NULL,
1810 		.teardown.single	= rcutree_offline_cpu,
1822 		.teardown.single	= sched_cpu_deactivate,
1830 		.teardown.single	= NULL,
1875 				 int (*teardown)(unsigned int cpu),  in cpuhp_store_callbacks()
1903 	sp->teardown.single = teardown;  in cpuhp_store_callbacks()
1912 	return cpuhp_get_step(state)->teardown.single;  in cpuhp_get_teardown_cb()
2003 			if (sp->teardown.multi)  in __cpuhp_state_add_instance_cpuslocked()
2049 				   int (*teardown)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
2062 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
2087 			if (teardown)  in __cpuhp_setup_state_cpuslocked()
2108 			int (*teardown)(unsigned int cpu),  in __cpuhp_setup_state()
2115 					     teardown, multi_instance);  in __cpuhp_setup_state()
2384 	if (!sp->startup.single && !sp->teardown.single)  in fail_store()