116  * @startup:	Startup function of the step
127 	} startup;  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()
727  * Execute teardown/startup callbacks on the plugged cpu. Also used to invoke
900  * startup or the teardown callback of the affected state.
1640 		.startup.single		= NULL,
1646 		.startup.single		= smpboot_create_threads,
1652 		.startup.single		= perf_event_init_cpu,
1657 		.startup.single		= workqueue_prepare_cpu,
1662 		.startup.single		= hrtimers_prepare_cpu,
1667 		.startup.single		= smpcfd_prepare_cpu,
1672 		.startup.single		= relay_prepare_cpu,
1677 		.startup.single		= slab_prepare_cpu,
1682 		.startup.single		= rcutree_prepare_cpu,
1692 		.startup.single		= timers_prepare_cpu,
1698 		.startup.single		= bringup_cpu,
1717 		.startup.single		= sched_cpu_starting,
1722 		.startup.single		= NULL,
1727 		.startup.single		= NULL,
1741 		.startup.single		= NULL,
1748 		.startup.single		= NULL,
1755 		.startup.single		= smpboot_unpark_threads,
1760 		.startup.single		= irq_affinity_online_cpu,
1765 		.startup.single		= perf_event_init_cpu,
1770 		.startup.single		= lockup_detector_online_cpu,
1775 		.startup.single		= workqueue_online_cpu,
1780 		.startup.single		= rcutree_online_cpu,
1792 		.startup.single		= sched_cpu_activate,
1800 		.startup.single		= NULL,
1845 				 int (*startup)(unsigned int cpu),  in cpuhp_store_callbacks()
1873 	sp->startup.single = startup;  in cpuhp_store_callbacks()
1887  * Call the startup/teardown function for a step either on the AP or
1936 		/* Did we invoke the startup call on that cpu ? */  in cpuhp_rollback_install()
1958 	if (!invoke || !sp->startup.multi)  in __cpuhp_state_add_instance_cpuslocked()
1962 	 * Try to call the startup callback for each present cpu  in __cpuhp_state_add_instance_cpuslocked()
2003  * @invoke:		If true, the startup function is invoked for cpus where
2005  * @startup:		startup callback function
2019 				   int (*startup)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
2033 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
2042 	if (ret || !invoke || !startup)  in __cpuhp_setup_state_cpuslocked()
2046 	 * Try to call the startup callback for each present cpu  in __cpuhp_setup_state_cpuslocked()
2078 			int (*startup)(unsigned int cpu),  in __cpuhp_setup_state()
2085 	ret = __cpuhp_setup_state_cpuslocked(state, name, invoke, startup,  in __cpuhp_setup_state()
2355 	if (!sp->startup.single && !sp->teardown.single)  in fail_store()