CPUHP_PERF_SUPERH,
CPUHP_X86_HPET_DEAD,
CPUHP_X86_APB_DEAD,
+ CPUHP_VIRT_NET_DEAD,
+ CPUHP_SLUB_DEAD,
+ CPUHP_MM_WRITEBACK_DEAD,
+ CPUHP_SOFTIRQ_DEAD,
+ CPUHP_NET_MVNETA_DEAD,
+ CPUHP_CPUIDLE_DEAD,
+ CPUHP_ARM64_FPSIMD_DEAD,
+ CPUHP_ARM_OMAP_WAKE_DEAD,
+ CPUHP_IRQ_POLL_DEAD,
+ CPUHP_BLOCK_SOFTIRQ_DEAD,
+ CPUHP_VIRT_SCSI_DEAD,
+ CPUHP_ACPI_CPUDRV_DEAD,
+ CPUHP_S390_PFAULT_DEAD,
+ CPUHP_BLK_MQ_DEAD,
CPUHP_WORKQUEUE_PREP,
CPUHP_POWER_NUMA_PREPARE,
CPUHP_HRTIMERS_PREPARE,
CPUHP_PROFILE_PREPARE,
CPUHP_X2APIC_PREPARE,
CPUHP_SMPCFD_PREPARE,
+ CPUHP_RELAY_PREPARE,
+ CPUHP_SLAB_PREPARE,
+ CPUHP_MD_RAID5_PREPARE,
CPUHP_RCUTREE_PREP,
+ CPUHP_CPUIDLE_COUPLED_PREPARE,
+ CPUHP_POWERPC_PMAC_PREPARE,
+ CPUHP_POWERPC_MMU_CTX_PREPARE,
CPUHP_NOTIFY_PREPARE,
+ CPUHP_ARM_SHMOBILE_SCU_PREPARE,
+ CPUHP_SH_SH3X_PREPARE,
+ CPUHP_BLK_MQ_PREPARE,
CPUHP_TIMERS_DEAD,
+ CPUHP_NOTF_ERR_INJ_PREPARE,
+ CPUHP_MIPS_SOC_PREPARE,
CPUHP_BRINGUP_CPU,
CPUHP_AP_IDLE_DEAD,
CPUHP_AP_OFFLINE,
CPUHP_AP_PERF_METAG_STARTING,
CPUHP_AP_MIPS_OP_LOONGSON3_STARTING,
CPUHP_AP_ARM_VFP_STARTING,
+ CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING,
+ CPUHP_AP_PERF_ARM_HW_BREAKPOINT_STARTING,
CPUHP_AP_PERF_ARM_STARTING,
CPUHP_AP_ARM_L2X0_STARTING,
CPUHP_AP_ARM_ARCH_TIMER_STARTING,
CPUHP_AP_ARM64_ISNDEP_STARTING,
CPUHP_AP_SMPCFD_DYING,
CPUHP_AP_X86_TBOOT_DYING,
- CPUHP_AP_NOTIFY_STARTING,
CPUHP_AP_ONLINE,
CPUHP_TEARDOWN_CPU,
CPUHP_AP_ONLINE_IDLE,
int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
int (*startup)(unsigned int cpu),
- int (*teardown)(unsigned int cpu));
+ int (*teardown)(unsigned int cpu), bool multi_instance);
/**
* cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
int (*startup)(unsigned int cpu),
int (*teardown)(unsigned int cpu))
{
- return __cpuhp_setup_state(state, name, true, startup, teardown);
+ return __cpuhp_setup_state(state, name, true, startup, teardown, false);
}
/**
int (*startup)(unsigned int cpu),
int (*teardown)(unsigned int cpu))
{
- return __cpuhp_setup_state(state, name, false, startup, teardown);
+ return __cpuhp_setup_state(state, name, false, startup, teardown,
+ false);
+}
+
+/**
+ * cpuhp_setup_state_multi - Add callbacks for multi state
+ * @state: The state for which the calls are installed
+ * @name: Name of the callback.
+ * @startup: startup callback function
+ * @teardown: teardown callback function
+ *
+ * Sets the internal multi_instance flag and prepares a state to work as a multi
+ * instance callback. No callbacks are invoked at this point. The callbacks are
+ * invoked once an instance for this state are registered via
+ * @cpuhp_state_add_instance or @cpuhp_state_add_instance_nocalls.
+ */
+static inline int cpuhp_setup_state_multi(enum cpuhp_state state,
+ const char *name,
+ int (*startup)(unsigned int cpu,
+ struct hlist_node *node),
+ int (*teardown)(unsigned int cpu,
+ struct hlist_node *node))
+{
+ return __cpuhp_setup_state(state, name, false,
+ (void *) startup,
+ (void *) teardown, true);
+}
+
+int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node,
+ bool invoke);
+
+/**
+ * cpuhp_state_add_instance - Add an instance for a state and invoke startup
+ * callback.
+ * @state: The state for which the instance is installed
+ * @node: The node for this individual state.
+ *
+ * Installs the instance for the @state and invokes the startup callback on
+ * the present cpus which have already reached the @state. The @state must have
+ * been earlier marked as multi-instance by @cpuhp_setup_state_multi.
+ */
+static inline int cpuhp_state_add_instance(enum cpuhp_state state,
+ struct hlist_node *node)
+{
+ return __cpuhp_state_add_instance(state, node, true);
+}
+
+/**
+ * cpuhp_state_add_instance_nocalls - Add an instance for a state without
+ * invoking the startup callback.
+ * @state: The state for which the instance is installed
+ * @node: The node for this individual state.
+ *
+ * Installs the instance for the @state The @state must have been earlier
+ * marked as multi-instance by @cpuhp_setup_state_multi.
+ */
+static inline int cpuhp_state_add_instance_nocalls(enum cpuhp_state state,
+ struct hlist_node *node)
+{
+ return __cpuhp_state_add_instance(state, node, false);
}
void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
__cpuhp_remove_state(state, false);
}
+/**
+ * cpuhp_remove_multi_state - Remove hotplug multi state callback
+ * @state: The state for which the calls are removed
+ *
+ * Removes the callback functions from a multi state. This is the reverse of
+ * cpuhp_setup_state_multi(). All instances should have been removed before
+ * invoking this function.
+ */
+static inline void cpuhp_remove_multi_state(enum cpuhp_state state)
+{
+ __cpuhp_remove_state(state, false);
+}
+
+int __cpuhp_state_remove_instance(enum cpuhp_state state,
+ struct hlist_node *node, bool invoke);
+
+/**
+ * cpuhp_state_remove_instance - Remove hotplug instance from state and invoke
+ * the teardown callback
+ * @state: The state from which the instance is removed
+ * @node: The node for this individual state.
+ *
+ * Removes the instance and invokes the teardown callback on the present cpus
+ * which have already reached the @state.
+ */
+static inline int cpuhp_state_remove_instance(enum cpuhp_state state,
+ struct hlist_node *node)
+{
+ return __cpuhp_state_remove_instance(state, node, true);
+}
+
+/**
+ * cpuhp_state_remove_instance_nocalls - Remove hotplug instance from state
+ * without invoking the reatdown callback
+ * @state: The state from which the instance is removed
+ * @node: The node for this individual state.
+ *
+ * Removes the instance without invoking the teardown callback.
+ */
+static inline int cpuhp_state_remove_instance_nocalls(enum cpuhp_state state,
+ struct hlist_node *node)
+{
+ return __cpuhp_state_remove_instance(state, node, false);
+}
+
#ifdef CONFIG_SMP
void cpuhp_online_idle(enum cpuhp_state state);
#else
projects / cascardo / linux.git / blobdiff