128 	} startup;  member
170 		if (!(bringup ? step->startup.single : step->teardown.single))  in cpuhp_invoke_callback()
178 		cb = bringup ? step->startup.single : step->teardown.single;  in cpuhp_invoke_callback()
186 	cbm = bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
222 	cbm = !bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
1886 		.startup.single		= NULL,
1892 		.startup.single		= smpboot_create_threads,
1898 		.startup.single		= random_and_perf_prepare_fusion,
1903 		.startup.single		= workqueue_prepare_cpu,
1908 		.startup.single		= hrtimers_prepare_cpu,
1913 		.startup.single		= smpcfd_prepare_cpu,
1918 		.startup.single		= relay_prepare_cpu,
1923 		.startup.single		= slab_prepare_cpu,
1928 		.startup.single		= rcutree_prepare_cpu,
1938 		.startup.single		= timers_prepare_cpu,
1944 		.startup.single		= bringup_cpu,
1963 		.startup.single		= sched_cpu_starting,
1968 		.startup.single		= NULL,
1973 		.startup.single		= NULL,
1987 		.startup.single		= NULL,
1994 		.startup.single		= smpboot_unpark_threads,
1999 		.startup.single		= irq_affinity_online_cpu,
2004 		.startup.single		= perf_event_init_cpu,
2009 		.startup.single		= lockup_detector_online_cpu,
2014 		.startup.single		= random_and_workqueue_online_fusion,
2019 		.startup.single		= rcutree_online_cpu,
2031 		.startup.single		= sched_cpu_activate,
2039 		.startup.single		= NULL,
2084 				 int (*startup)(unsigned int cpu),  in cpuhp_store_callbacks()
2112 	sp->startup.single = startup;  in cpuhp_store_callbacks()
2139 	if ((bringup && !sp->startup.single) ||  in cpuhp_issue_call()
2198 	if (!invoke || !sp->startup.multi)  in __cpuhp_state_add_instance_cpuslocked()
2258 				   int (*startup)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
2272 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
2281 	if (ret || !invoke || !startup)  in __cpuhp_setup_state_cpuslocked()
2317 			int (*startup)(unsigned int cpu),  in __cpuhp_setup_state()
2324 	ret = __cpuhp_setup_state_cpuslocked(state, name, invoke, startup,  in __cpuhp_setup_state()
2585 	if (!sp->startup.single && !sp->teardown.single)  in write_cpuhp_fail()