12 CPUHP_AP_SCHED_STARTING,
13 CPUHP_AP_IRQ_GIC_STARTING,
14 CPUHP_AP_IRQ_GICV3_STARTING,
15 CPUHP_AP_IRQ_HIP04_STARTING,
16 CPUHP_AP_IRQ_ARMADA_XP_STARTING,
17 CPUHP_AP_IRQ_ARMADA_CASC_STARTING,
18 CPUHP_AP_IRQ_BCM2836_STARTING,
19 CPUHP_AP_ARM_MVEBU_COHERENCY,
20 CPUHP_AP_NOTIFY_STARTING,
24 CPUHP_AP_SMPBOOT_THREADS,
25 CPUHP_AP_X86_VDSO_VMA_ONLINE,
27 CPUHP_AP_NOTIFY_ONLINE,
29 CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
34 int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
35 int (*startup)(unsigned int cpu),
36 int (*teardown)(unsigned int cpu));
39 * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
40 * @state: The state for which the calls are installed
41 * @name: Name of the callback (will be used in debug output)
42 * @startup: startup callback function
43 * @teardown: teardown callback function
45 * Installs the callback functions and invokes the startup callback on
46 * the present cpus which have already reached the @state.
48 static inline int cpuhp_setup_state(enum cpuhp_state state,
50 int (*startup)(unsigned int cpu),
51 int (*teardown)(unsigned int cpu))
53 return __cpuhp_setup_state(state, name, true, startup, teardown);
57 * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the
59 * @state: The state for which the calls are installed
60 * @name: Name of the callback.
61 * @startup: startup callback function
62 * @teardown: teardown callback function
64 * Same as @cpuhp_setup_state except that no calls are executed are invoked
65 * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n.
67 static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state,
69 int (*startup)(unsigned int cpu),
70 int (*teardown)(unsigned int cpu))
72 return __cpuhp_setup_state(state, name, false, startup, teardown);
75 void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
78 * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown
79 * @state: The state for which the calls are removed
81 * Removes the callback functions and invokes the teardown callback on
82 * the present cpus which have already reached the @state.
84 static inline void cpuhp_remove_state(enum cpuhp_state state)
86 __cpuhp_remove_state(state, true);
90 * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking
92 * @state: The state for which the calls are removed
94 static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state)
96 __cpuhp_remove_state(state, false);
100 void cpuhp_online_idle(enum cpuhp_state state);
102 static inline void cpuhp_online_idle(enum cpuhp_state state) { }