函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\notifier.c Create Date:2022-07-27 10:32:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：locking_notifier_chain_unregister - Remove notifier from a blocking notifier chain*@nh: Pointer to head of the blocking notifier chain*@n: Entry to remove from notifier chain* Removes a notifier from a blocking notifier chain.

函数原型：int blocking_notifier_chain_unregister(struct blocking_notifier_head *nh, struct notifier_block *n)

返回类型：int

参数：

类型参数名称
struct blocking_notifier_head *nh
struct notifier_block *n
243  如果此条件成立可能性小(为编译器优化)(Values used for system_state. Ordering of the states must not be changed* as code checks for <, <=, >, >= STATE. == SYSTEM_BOOTING)则返回:notifier_chain_unregister( & head, n)
246  lock for writing
247  ret等于notifier_chain_unregister( & head, n)
248  lease a write lock
249  返回:ret
调用者
名称描述
unregister_reboot_notifierregister_reboot_notifier - Unregister previously registered reboot notifier*@nb: Hook to be unregistered* Unregisters a previously registered reboot* notifier function.* Returns zero on success, or %-ENOENT on failure.
pm_qos_remove_notifierpm_qos_remove_notifier - deletes notification entry from chain.*@pm_qos_class: identifies which qos target changes are notified.*@notifier: notifier block to be removed.* will remove the notifier from the notification chain that gets called
freq_qos_remove_notifierq_qos_remove_notifier - Remove frequency QoS change notifier.*@qos: List of requests to remove the notifier from.*@type: Request type.*@notifier: Notifier block to remove.
profile_event_unregister
unregister_module_notifier
unregister_tracepoint_module_notifierregister_tracepoint_notifier - unregister tracepoint coming/going notifier*@nb: notifier block* The notifier block callback should expect a "struct tp_module" data* pointer.
padata_unregister_cpumask_notifierpadata_unregister_cpumask_notifier - Unregisters cpumask notifier* registered earlier using padata_register_cpumask_notifier*@pinst: A pointer to data instance.*@nlock: A pointer to notifier block.
unregister_vmap_purge_notifier
mce_unregister_decode_chain
unregister_oom_notifier
unregister_blocking_lsm_notifier