函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-27 11:25:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Reset the current CPU's ->dynticks counter to indicate that the* newly onlined CPU is no longer in an extended quiescent state

函数原型：static void rcu_dynticks_eqs_online(void)

返回类型：void

参数：无

285  rdp等于this_cpu_ptr( & rcu_data)
287  如果atomic_read( & Even value for idle, else odd. )按位与RCU_DYNTICK_CTRL_CTR则返回
289  atomic_add(RCU_DYNTICK_CTRL_CTR, & Even value for idle, else odd. )
调用者
名称描述
rcutree_prepare_cpuInvoked early in the CPU-online process, when pretty much all services* are available. The incoming CPU is not present.* Initializes a CPU's per-CPU RCU data. Note that only one online or* offline event can be happening at a given time