if (!cpu_online(cpu))
return 0;
+ /*
+ * If we are up and running, use the hotplug thread. For early calls
+ * we invoke the thread function directly.
+ */
+ if (!st->thread)
+ return cpuhp_invoke_callback(cpu, state, cb);
+
st->cb_state = state;
st->cb = cb;
/*
.teardown = NULL,
.cant_stop = true,
},
+ [CPUHP_PERF_PREPARE] = {
+ .name = "perf prepare",
+ .startup = perf_event_init_cpu,
+ .teardown = perf_event_exit_cpu,
+ },
+ [CPUHP_WORKQUEUE_PREP] = {
+ .name = "workqueue prepare",
+ .startup = workqueue_prepare_cpu,
+ .teardown = NULL,
+ },
+ [CPUHP_HRTIMERS_PREPARE] = {
+ .name = "hrtimers prepare",
+ .startup = hrtimers_prepare_cpu,
+ .teardown = hrtimers_dead_cpu,
+ },
/*
* Preparatory and dead notifiers. Will be replaced once the notifiers
* are converted to states.
.teardown = takedown_cpu,
.cant_stop = true,
},
+#else
+ [CPUHP_BRINGUP_CPU] = { },
#endif
};
.startup = smpboot_unpark_threads,
.teardown = NULL,
},
+ [CPUHP_AP_PERF_ONLINE] = {
+ .name = "perf online",
+ .startup = perf_event_init_cpu,
+ .teardown = perf_event_exit_cpu,
+ },
+ [CPUHP_AP_WORKQUEUE_ONLINE] = {
+ .name = "workqueue online",
+ .startup = workqueue_online_cpu,
+ .teardown = workqueue_offline_cpu,
+ },
+
/*
* Online/down_prepare notifiers. Will be removed once the notifiers
* are converted to states.