118  * @startup:	Startup function of the step
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()
728  * Execute teardown/startup callbacks on the plugged cpu. Also used to invoke
913  * startup or the teardown callback of the affected state.
1659 		.startup.single		= NULL,
1665 		.startup.single		= smpboot_create_threads,
1671 		.startup.single		= perf_event_init_cpu,
1676 		.startup.single		= random_prepare_cpu,
1681 		.startup.single		= workqueue_prepare_cpu,
1686 		.startup.single		= hrtimers_prepare_cpu,
1691 		.startup.single		= smpcfd_prepare_cpu,
1696 		.startup.single		= relay_prepare_cpu,
1701 		.startup.single		= slab_prepare_cpu,
1706 		.startup.single		= rcutree_prepare_cpu,
1716 		.startup.single		= timers_prepare_cpu,
1722 		.startup.single		= bringup_cpu,
1741 		.startup.single		= sched_cpu_starting,
1746 		.startup.single		= NULL,
1751 		.startup.single		= NULL,
1765 		.startup.single		= NULL,
1772 		.startup.single		= NULL,
1779 		.startup.single		= smpboot_unpark_threads,
1784 		.startup.single		= irq_affinity_online_cpu,
1789 		.startup.single		= perf_event_init_cpu,
1794 		.startup.single		= lockup_detector_online_cpu,
1799 		.startup.single		= workqueue_online_cpu,
1804 		.startup.single		= random_online_cpu,
1809 		.startup.single		= rcutree_online_cpu,
1821 		.startup.single		= sched_cpu_activate,
1829 		.startup.single		= NULL,
1874 				 int (*startup)(unsigned int cpu),  in cpuhp_store_callbacks()
1902 	sp->startup.single = startup;  in cpuhp_store_callbacks()
1916  * Call the startup/teardown function for a step either on the AP or
1965 		/* Did we invoke the startup call on that cpu ? */  in cpuhp_rollback_install()
1987 	if (!invoke || !sp->startup.multi)  in __cpuhp_state_add_instance_cpuslocked()
1991 	 * Try to call the startup callback for each present cpu  in __cpuhp_state_add_instance_cpuslocked()
2032  * @invoke:		If true, the startup function is invoked for cpus where
2034  * @startup:		startup callback function
2048 				   int (*startup)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
2062 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
2071 	if (ret || !invoke || !startup)  in __cpuhp_setup_state_cpuslocked()
2075 	 * Try to call the startup callback for each present cpu  in __cpuhp_setup_state_cpuslocked()
2107 			int (*startup)(unsigned int cpu),  in __cpuhp_setup_state()
2114 	ret = __cpuhp_setup_state_cpuslocked(state, name, invoke, startup,  in __cpuhp_setup_state()
2384 	if (!sp->startup.single && !sp->teardown.single)  in fail_store()