8 CPUHP_PERF_X86_PREPARE,
9 CPUHP_PERF_X86_UNCORE_PREP,
10 CPUHP_PERF_X86_AMD_UNCORE_PREP,
11 CPUHP_PERF_X86_RAPL_PREP,
22 CPUHP_AP_SCHED_STARTING,
23 CPUHP_AP_IRQ_GIC_STARTING,
24 CPUHP_AP_IRQ_GICV3_STARTING,
25 CPUHP_AP_IRQ_HIP04_STARTING,
26 CPUHP_AP_IRQ_ARMADA_XP_STARTING,
27 CPUHP_AP_IRQ_ARMADA_CASC_STARTING,
28 CPUHP_AP_IRQ_BCM2836_STARTING,
29 CPUHP_AP_ARM_MVEBU_COHERENCY,
30 CPUHP_AP_PERF_X86_UNCORE_STARTING,
31 CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
32 CPUHP_AP_PERF_X86_STARTING,
33 CPUHP_AP_PERF_X86_AMD_IBS_STARTING,
34 CPUHP_AP_PERF_X86_CQM_STARTING,
35 CPUHP_AP_PERF_X86_CSTATE_STARTING,
36 CPUHP_AP_PERF_XTENSA_STARTING,
37 CPUHP_AP_ARM_VFP_STARTING,
38 CPUHP_AP_NOTIFY_STARTING,
42 CPUHP_AP_SMPBOOT_THREADS,
43 CPUHP_AP_X86_VDSO_VMA_ONLINE,
45 CPUHP_AP_PERF_X86_ONLINE,
46 CPUHP_AP_PERF_X86_UNCORE_ONLINE,
47 CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE,
48 CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
49 CPUHP_AP_PERF_X86_RAPL_ONLINE,
50 CPUHP_AP_PERF_X86_CQM_ONLINE,
51 CPUHP_AP_PERF_X86_CSTATE_ONLINE,
52 CPUHP_AP_PERF_S390_CF_ONLINE,
53 CPUHP_AP_PERF_S390_SF_ONLINE,
54 CPUHP_AP_PERF_ARM_CCI_ONLINE,
55 CPUHP_AP_PERF_ARM_CCN_ONLINE,
56 CPUHP_AP_WORKQUEUE_ONLINE,
57 CPUHP_AP_NOTIFY_ONLINE,
59 CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
60 CPUHP_AP_X86_HPET_ONLINE,
61 CPUHP_AP_X86_KVM_CLK_ONLINE,
66 int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
67 int (*startup)(unsigned int cpu),
68 int (*teardown)(unsigned int cpu));
71 * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
72 * @state: The state for which the calls are installed
73 * @name: Name of the callback (will be used in debug output)
74 * @startup: startup callback function
75 * @teardown: teardown callback function
77 * Installs the callback functions and invokes the startup callback on
78 * the present cpus which have already reached the @state.
80 static inline int cpuhp_setup_state(enum cpuhp_state state,
82 int (*startup)(unsigned int cpu),
83 int (*teardown)(unsigned int cpu))
85 return __cpuhp_setup_state(state, name, true, startup, teardown);
89 * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the
91 * @state: The state for which the calls are installed
92 * @name: Name of the callback.
93 * @startup: startup callback function
94 * @teardown: teardown callback function
96 * Same as @cpuhp_setup_state except that no calls are executed are invoked
97 * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n.
99 static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state,
101 int (*startup)(unsigned int cpu),
102 int (*teardown)(unsigned int cpu))
104 return __cpuhp_setup_state(state, name, false, startup, teardown);
107 void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
110 * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown
111 * @state: The state for which the calls are removed
113 * Removes the callback functions and invokes the teardown callback on
114 * the present cpus which have already reached the @state.
116 static inline void cpuhp_remove_state(enum cpuhp_state state)
118 __cpuhp_remove_state(state, true);
122 * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking
124 * @state: The state for which the calls are removed
126 static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state)
128 __cpuhp_remove_state(state, false);
132 void cpuhp_online_idle(enum cpuhp_state state);
134 static inline void cpuhp_online_idle(enum cpuhp_state state) { }