8 CPUHP_PERF_X86_PREPARE,
9 CPUHP_PERF_X86_UNCORE_PREP,
10 CPUHP_PERF_X86_AMD_UNCORE_PREP,
11 CPUHP_PERF_X86_RAPL_PREP,
18 CPUHP_HRTIMERS_PREPARE,
19 CPUHP_PROFILE_PREPARE,
27 CPUHP_AP_SCHED_STARTING,
28 CPUHP_AP_IRQ_GIC_STARTING,
29 CPUHP_AP_IRQ_GICV3_STARTING,
30 CPUHP_AP_IRQ_HIP04_STARTING,
31 CPUHP_AP_IRQ_ARMADA_XP_STARTING,
32 CPUHP_AP_IRQ_ARMADA_CASC_STARTING,
33 CPUHP_AP_IRQ_BCM2836_STARTING,
34 CPUHP_AP_ARM_MVEBU_COHERENCY,
35 CPUHP_AP_PERF_X86_UNCORE_STARTING,
36 CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
37 CPUHP_AP_PERF_X86_STARTING,
38 CPUHP_AP_PERF_X86_AMD_IBS_STARTING,
39 CPUHP_AP_PERF_X86_CQM_STARTING,
40 CPUHP_AP_PERF_X86_CSTATE_STARTING,
41 CPUHP_AP_PERF_XTENSA_STARTING,
42 CPUHP_AP_PERF_METAG_STARTING,
43 CPUHP_AP_MIPS_OP_LOONGSON3_STARTING,
44 CPUHP_AP_ARM_VFP_STARTING,
45 CPUHP_AP_PERF_ARM_STARTING,
46 CPUHP_AP_ARM_L2X0_STARTING,
47 CPUHP_AP_ARM_ARCH_TIMER_STARTING,
48 CPUHP_AP_DUMMY_TIMER_STARTING,
49 CPUHP_AP_ARM_TWD_STARTING,
50 CPUHP_AP_METAG_TIMER_STARTING,
51 CPUHP_AP_QCOM_TIMER_STARTING,
52 CPUHP_AP_MIPS_GIC_TIMER_STARTING,
53 CPUHP_AP_KVM_STARTING,
54 CPUHP_AP_KVM_ARM_VGIC_INIT_STARTING,
55 CPUHP_AP_KVM_ARM_VGIC_STARTING,
56 CPUHP_AP_KVM_ARM_TIMER_STARTING,
57 CPUHP_AP_ARM_XEN_STARTING,
58 CPUHP_AP_ARM_CORESIGHT_STARTING,
59 CPUHP_AP_ARM_CORESIGHT4_STARTING,
60 CPUHP_AP_ARM64_ISNDEP_STARTING,
61 CPUHP_AP_LEDTRIG_STARTING,
62 CPUHP_AP_SMPCFD_DYING,
63 CPUHP_AP_X86_TBOOT_DYING,
64 CPUHP_AP_NOTIFY_STARTING,
68 CPUHP_AP_SMPBOOT_THREADS,
69 CPUHP_AP_X86_VDSO_VMA_ONLINE,
71 CPUHP_AP_PERF_X86_ONLINE,
72 CPUHP_AP_PERF_X86_UNCORE_ONLINE,
73 CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE,
74 CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
75 CPUHP_AP_PERF_X86_RAPL_ONLINE,
76 CPUHP_AP_PERF_X86_CQM_ONLINE,
77 CPUHP_AP_PERF_X86_CSTATE_ONLINE,
78 CPUHP_AP_PERF_S390_CF_ONLINE,
79 CPUHP_AP_PERF_S390_SF_ONLINE,
80 CPUHP_AP_PERF_ARM_CCI_ONLINE,
81 CPUHP_AP_PERF_ARM_CCN_ONLINE,
82 CPUHP_AP_WORKQUEUE_ONLINE,
83 CPUHP_AP_NOTIFY_ONLINE,
85 CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
86 CPUHP_AP_X86_HPET_ONLINE,
87 CPUHP_AP_X86_KVM_CLK_ONLINE,
92 int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
93 int (*startup)(unsigned int cpu),
94 int (*teardown)(unsigned int cpu));
97 * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
98 * @state: The state for which the calls are installed
99 * @name: Name of the callback (will be used in debug output)
100 * @startup: startup callback function
101 * @teardown: teardown callback function
103 * Installs the callback functions and invokes the startup callback on
104 * the present cpus which have already reached the @state.
106 static inline int cpuhp_setup_state(enum cpuhp_state state,
108 int (*startup)(unsigned int cpu),
109 int (*teardown)(unsigned int cpu))
111 return __cpuhp_setup_state(state, name, true, startup, teardown);
115 * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the
117 * @state: The state for which the calls are installed
118 * @name: Name of the callback.
119 * @startup: startup callback function
120 * @teardown: teardown callback function
122 * Same as @cpuhp_setup_state except that no calls are executed are invoked
123 * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n.
125 static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state,
127 int (*startup)(unsigned int cpu),
128 int (*teardown)(unsigned int cpu))
130 return __cpuhp_setup_state(state, name, false, startup, teardown);
133 void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
136 * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown
137 * @state: The state for which the calls are removed
139 * Removes the callback functions and invokes the teardown callback on
140 * the present cpus which have already reached the @state.
142 static inline void cpuhp_remove_state(enum cpuhp_state state)
144 __cpuhp_remove_state(state, true);
148 * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking
150 * @state: The state for which the calls are removed
152 static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state)
154 __cpuhp_remove_state(state, false);
158 void cpuhp_online_idle(enum cpuhp_state state);
160 static inline void cpuhp_online_idle(enum cpuhp_state state) { }