clockevents_exchange

函数名称：lockevents_exchange_device - release and request clock devices*@old: device to release (can be NULL)*@new: device to request (can be NULL)* Called from various tick functions with clockevents_lock held and* interrupts disabled.

函数原型：void clockevents_exchange_device(struct clock_event_device *old, struct clock_event_device *new)

返回类型：void

参数：

类型	参数	名称
struct clock_event_device *	old
struct clock_event_device *	new

576

如果old则

577

module_put(owner)

578

lockevents_switch_state - set the operating state of a clock event device*@dev: device to modify*@state: new state* Must be called with interrupts disabled !

579

删除链表项

580

添加链表项

583

如果new则

584

BUG_ON(!clockevent_state_detached(new))

585

lockevents_shutdown - shutdown the device and clear next_event*@dev: device to shutdown

**调用者**
名称	描述
tick_install_replacement
tick_check_new_device	Check, if the new registered device should be used. Called with* clockevents_lock held and interrupts disabled.
tick_install_broadcast_device	Conditionally install/replace broadcast device

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告