109  * @startup:	Startup function of the step
119 	} startup;  member
161 		if (!(bringup ? step->startup.single : step->teardown.single))  in cpuhp_invoke_callback()
169 		cb = bringup ? step->startup.single : step->teardown.single;  in cpuhp_invoke_callback()
177 	cbm = bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
213 	cbm = !bringup ? step->startup.multi : step->teardown.multi;  in cpuhp_invoke_callback()
646  * Execute teardown/startup callbacks on the plugged cpu. Also used to invoke
1513 		.startup.single		= NULL,
1519 		.startup.single		= smpboot_create_threads,
1525 		.startup.single		= perf_event_init_cpu,
1530 		.startup.single		= workqueue_prepare_cpu,
1535 		.startup.single		= hrtimers_prepare_cpu,
1540 		.startup.single		= smpcfd_prepare_cpu,
1545 		.startup.single		= relay_prepare_cpu,
1550 		.startup.single		= slab_prepare_cpu,
1555 		.startup.single		= rcutree_prepare_cpu,
1565 		.startup.single		= timers_prepare_cpu,
1571 		.startup.single		= bringup_cpu,
1590 		.startup.single		= sched_cpu_starting,
1595 		.startup.single		= NULL,
1600 		.startup.single		= NULL,
1614 		.startup.single		= NULL,
1621 		.startup.single		= smpboot_unpark_threads,
1626 		.startup.single		= irq_affinity_online_cpu,
1631 		.startup.single		= perf_event_init_cpu,
1636 		.startup.single		= lockup_detector_online_cpu,
1641 		.startup.single		= workqueue_online_cpu,
1646 		.startup.single		= rcutree_online_cpu,
1658 		.startup.single		= sched_cpu_activate,
1666 		.startup.single		= NULL,
1711 				 int (*startup)(unsigned int cpu),  in cpuhp_store_callbacks()
1739 	sp->startup.single = startup;  in cpuhp_store_callbacks()
1753  * Call the startup/teardown function for a step either on the AP or
1766 	if ((bringup && !sp->startup.single) ||  in cpuhp_issue_call()
1803 		/* Did we invoke the startup call on that cpu ? */  in cpuhp_rollback_install()
1825 	if (!invoke || !sp->startup.multi)  in __cpuhp_state_add_instance_cpuslocked()
1829 	 * Try to call the startup callback for each present cpu  in __cpuhp_state_add_instance_cpuslocked()
1869  * @invoke:		If true, the startup function is invoked for cpus where
1871  * @startup:		startup callback function
1885 				   int (*startup)(unsigned int cpu),  in __cpuhp_setup_state_cpuslocked()
1899 	ret = cpuhp_store_callbacks(state, name, startup, teardown,  in __cpuhp_setup_state_cpuslocked()
1908 	if (ret || !invoke || !startup)  in __cpuhp_setup_state_cpuslocked()
1912 	 * Try to call the startup callback for each present cpu  in __cpuhp_setup_state_cpuslocked()
1944 			int (*startup)(unsigned int cpu),  in __cpuhp_setup_state()
1951 	ret = __cpuhp_setup_state_cpuslocked(state, name, invoke, startup,  in __cpuhp_setup_state()
2210 	if (!sp->startup.single && !sp->teardown.single)  in write_cpuhp_fail()