112  * @startup:	Startup function of the step
122 	} startup;  member
164 		if (!(bringup ? step->startup.single : step->teardown.single))  in cpuhp_invoke_callback()
172 		cb = bringup ? step->startup.single : step->teardown.single;  in cpuhp_invoke_callback()
180 	cbm = bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
216 	cbm = !bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
655  * Execute teardown/startup callbacks on the plugged cpu. Also used to invoke
835  * startup or the teardown callback of the affected state.
1575 		.startup.single		= NULL,
1581 		.startup.single		= smpboot_create_threads,
1587 		.startup.single		= perf_event_init_cpu,
1592 		.startup.single		= random_prepare_cpu,
1597 		.startup.single		= workqueue_prepare_cpu,
1602 		.startup.single		= hrtimers_prepare_cpu,
1607 		.startup.single		= smpcfd_prepare_cpu,
1612 		.startup.single		= relay_prepare_cpu,
1617 		.startup.single		= slab_prepare_cpu,
1622 		.startup.single		= rcutree_prepare_cpu,
1632 		.startup.single		= timers_prepare_cpu,
1638 		.startup.single		= bringup_cpu,
1657 		.startup.single		= sched_cpu_starting,
1662 		.startup.single		= NULL,
1667 		.startup.single		= NULL,
1681 		.startup.single		= NULL,
1688 		.startup.single		= smpboot_unpark_threads,
1693 		.startup.single		= irq_affinity_online_cpu,
1698 		.startup.single		= perf_event_init_cpu,
1703 		.startup.single		= lockup_detector_online_cpu,
1708 		.startup.single		= workqueue_online_cpu,
1713 		.startup.single		= random_online_cpu,
1718 		.startup.single		= rcutree_online_cpu,
1730 		.startup.single		= sched_cpu_activate,
1738 		.startup.single		= NULL,
1783 				 int (*startup)(unsigned int cpu),  in cpuhp_store_callbacks()
1811 	sp->startup.single = startup;  in cpuhp_store_callbacks()
1825  * Call the startup/teardown function for a step either on the AP or
1838 	if ((bringup && !sp->startup.single) ||  in cpuhp_issue_call()
1875 		/* Did we invoke the startup call on that cpu ? */  in cpuhp_rollback_install()
1897 	if (!invoke || !sp->startup.multi)  in __cpuhp_state_add_instance_cpuslocked()
1901 	 * Try to call the startup callback for each present cpu  in __cpuhp_state_add_instance_cpuslocked()
1941  * @invoke:		If true, the startup function is invoked for cpus where
1943  * @startup:		startup callback function
1957 				   int (*startup)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
1971 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
1980 	if (ret || !invoke || !startup)  in __cpuhp_setup_state_cpuslocked()
1984 	 * Try to call the startup callback for each present cpu  in __cpuhp_setup_state_cpuslocked()
2016 			int (*startup)(unsigned int cpu),  in __cpuhp_setup_state()
2023 	ret = __cpuhp_setup_state_cpuslocked(state, name, invoke, startup,  in __cpuhp_setup_state()
2284 	if (!sp->startup.single && !sp->teardown.single)  in write_cpuhp_fail()