8 CPUHP_PERF_X86_PREPARE,
9 CPUHP_PERF_X86_UNCORE_PREP,
10 CPUHP_PERF_X86_AMD_UNCORE_PREP,
11 CPUHP_PERF_X86_RAPL_PREP,
19 CPUHP_AP_SCHED_STARTING,
20 CPUHP_AP_IRQ_GIC_STARTING,
21 CPUHP_AP_IRQ_GICV3_STARTING,
22 CPUHP_AP_IRQ_HIP04_STARTING,
23 CPUHP_AP_IRQ_ARMADA_XP_STARTING,
24 CPUHP_AP_IRQ_ARMADA_CASC_STARTING,
25 CPUHP_AP_IRQ_BCM2836_STARTING,
26 CPUHP_AP_ARM_MVEBU_COHERENCY,
27 CPUHP_AP_PERF_X86_UNCORE_STARTING,
28 CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
29 CPUHP_AP_PERF_X86_STARTING,
30 CPUHP_AP_PERF_X86_AMD_IBS_STARTING,
31 CPUHP_AP_PERF_X86_CQM_STARTING,
32 CPUHP_AP_PERF_X86_CSTATE_STARTING,
33 CPUHP_AP_NOTIFY_STARTING,
37 CPUHP_AP_SMPBOOT_THREADS,
38 CPUHP_AP_X86_VDSO_VMA_ONLINE,
40 CPUHP_AP_PERF_X86_ONLINE,
41 CPUHP_AP_PERF_X86_UNCORE_ONLINE,
42 CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE,
43 CPUHP_AP_PERF_X86_RAPL_ONLINE,
44 CPUHP_AP_PERF_X86_CQM_ONLINE,
45 CPUHP_AP_PERF_X86_CSTATE_ONLINE,
46 CPUHP_AP_PERF_S390_CF_ONLINE,
47 CPUHP_AP_PERF_S390_SF_ONLINE,
48 CPUHP_AP_PERF_ARM_CCI_ONLINE,
49 CPUHP_AP_NOTIFY_ONLINE,
51 CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
56 int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
57 int (*startup)(unsigned int cpu),
58 int (*teardown)(unsigned int cpu));
61 * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
62 * @state: The state for which the calls are installed
63 * @name: Name of the callback (will be used in debug output)
64 * @startup: startup callback function
65 * @teardown: teardown callback function
67 * Installs the callback functions and invokes the startup callback on
68 * the present cpus which have already reached the @state.
70 static inline int cpuhp_setup_state(enum cpuhp_state state,
72 int (*startup)(unsigned int cpu),
73 int (*teardown)(unsigned int cpu))
75 return __cpuhp_setup_state(state, name, true, startup, teardown);
79 * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the
81 * @state: The state for which the calls are installed
82 * @name: Name of the callback.
83 * @startup: startup callback function
84 * @teardown: teardown callback function
86 * Same as @cpuhp_setup_state except that no calls are executed are invoked
87 * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n.
89 static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state,
91 int (*startup)(unsigned int cpu),
92 int (*teardown)(unsigned int cpu))
94 return __cpuhp_setup_state(state, name, false, startup, teardown);
97 void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
100 * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown
101 * @state: The state for which the calls are removed
103 * Removes the callback functions and invokes the teardown callback on
104 * the present cpus which have already reached the @state.
106 static inline void cpuhp_remove_state(enum cpuhp_state state)
108 __cpuhp_remove_state(state, true);
112 * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking
114 * @state: The state for which the calls are removed
116 static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state)
118 __cpuhp_remove_state(state, false);
122 void cpuhp_online_idle(enum cpuhp_state state);
124 static inline void cpuhp_online_idle(enum cpuhp_state state) { }