129 	} startup;  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()
1730 		.startup.single		= NULL,
1736 		.startup.single		= smpboot_create_threads,
1742 		.startup.single		= perf_event_init_cpu,
1747 		.startup.single		= random_prepare_cpu,
1752 		.startup.single		= workqueue_prepare_cpu,
1757 		.startup.single		= hrtimers_prepare_cpu,
1762 		.startup.single		= smpcfd_prepare_cpu,
1767 		.startup.single		= relay_prepare_cpu,
1772 		.startup.single		= slab_prepare_cpu,
1777 		.startup.single		= rcutree_prepare_cpu,
1787 		.startup.single		= timers_prepare_cpu,
1793 		.startup.single		= bringup_cpu,
1812 		.startup.single		= sched_cpu_starting,
1817 		.startup.single		= NULL,
1822 		.startup.single		= NULL,
1836 		.startup.single		= NULL,
1843 		.startup.single		= NULL,
1850 		.startup.single		= smpboot_unpark_threads,
1855 		.startup.single		= irq_affinity_online_cpu,
1860 		.startup.single		= perf_event_init_cpu,
1865 		.startup.single		= lockup_detector_online_cpu,
1870 		.startup.single		= workqueue_online_cpu,
1875 		.startup.single		= random_online_cpu,
1880 		.startup.single		= rcutree_online_cpu,
1892 		.startup.single		= sched_cpu_activate,
1900 		.startup.single		= NULL,
1945 				 int (*startup)(unsigned int cpu),  in cpuhp_store_callbacks()
1973 	sp->startup.single = startup;  in cpuhp_store_callbacks()
2058 	if (!invoke || !sp->startup.multi)  in __cpuhp_state_add_instance_cpuslocked()
2119 				   int (*startup)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
2133 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
2142 	if (ret || !invoke || !startup)  in __cpuhp_setup_state_cpuslocked()
2178 			int (*startup)(unsigned int cpu),  in __cpuhp_setup_state()
2185 	ret = __cpuhp_setup_state_cpuslocked(state, name, invoke, startup,  in __cpuhp_setup_state()
2465 	if (!sp->startup.single && !sp->teardown.single)  in fail_store()