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 11:26:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：If a holdout task is actually running, request an urgent quiescent* state from its CPU

函数原型：void rcu_request_urgent_qs_task(struct task_struct *t)

返回类型：void

参数：

类型参数名称
struct task_struct *t
940  The "volatile" is due to gcc bugs ()
941  cpu等于task_cpu(t)
942  如果非ask_curr - is this task currently executing on a CPU?*@p: the task in question.* Return: 1 if the task is currently executing. 0 otherwise.则返回
944  smp_store_release(per_cpu_ptr( & rcu_urgent_qs, cpu), true)