函数逻辑报告 |
Source Code:kernel\rcu\sync.c |
Create Date:2022-07-27 11:18:24 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
首页 | 函数Tree |
注解内核,赢得工具 | 下载SCCT | English |
函数名称:_sync_exit() - Allow readers back onto fast path after grace period*@rsp: Pointer to rcu_sync structure to use for synchronization* This function is used by updaters who have completed, and can therefore* now allow readers to make use of their fastpaths
函数原型:void rcu_sync_exit(struct rcu_sync *rsp)
返回类型:void
参数:
类型 | 参数 | 名称 |
---|---|---|
struct rcu_sync * | rsp |
170 | WARN_ON_ONCE(READ_ONCE(gp_state) == GP_IDLE) |
171 | WARN_ON_ONCE(READ_ONCE(gp_count) == 0) |
173 | spin_lock_irq( & rss_lock) |
174 | 如果非gp_count先自减则 |
176 | WRITE_ONCE(gp_state, GP_EXIT) |
177 | rcu_sync_call(rsp) |
179 | WRITE_ONCE(gp_state, GP_REPLAY) |
182 | spin_unlock_irq( & rss_lock) |
名称 | 描述 |
---|---|
percpu_up_write |
源代码转换工具 开放的插件接口 | X |
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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 |