函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\update.c Create Date:2022-07-27 11:18:11
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：_read_lock_bh_held() - might we be in RCU-bh read-side critical section?* Check for bottom half being disabled, which covers both the* CONFIG_PROVE_RCU and not cases

函数原型：int rcu_read_lock_bh_held(void)

返回类型：int

参数：无

306  如果_read_lock_held_common() - might we be in RCU-sched read-side critical section?*@ret: Best guess answer if lockdep cannot be relied on* Returns true if lockdep must be ignored, in which case *ret contains* the best guess described below则返回:ret
308  返回:in_softirq()或已禁止中断()
调用者
名称描述
rcu_torture_one_readDo one read-side critical section, returning false if there was* no data to read. Can be invoked both from process context and* from a timer handler.