函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\srcutree.c Create Date:2022-07-27 11:19:15
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Callback function for srcu_barrier() use.

函数原型：static void srcu_barrier_cb(struct callback_head *rhp)

返回类型：void

参数：

类型参数名称
struct callback_head *rhp
1012  sdp等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(rhp, structsrcu_data, srcu_barrier_head)
1013  ssp等于ssp
1014  如果atomic_dec_and_test( & srcu_barrier_cpu_cnt)则mplete: - signals a single thread waiting on this completion*@x: holds the state of this particular completion* This will wake up a single thread waiting on this completion. Threads will be* awakened in the same order in which they were queued.