函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree_exp.h Create Date:2022-07-27 11:28:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：SPDX-License-Identifier: GPL-2.0+

函数原型：static void rcu_exp_handler(void *unused)

返回类型：void

参数：

类型参数名称
void *unused
715  rdp等于this_cpu_ptr( & rcu_data)
716  rnp等于This CPU's leaf of hierarchy
717  如果非READ_ONCE(CPUs or groups that need to check in )按位与Mask to apply to leaf qsmask. 的值或Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(exp)则返回
720  如果_is_cpu_rrupt_from_idle - see if interrupted from idle* If the current CPU is idle and running at a first-level (not nested)* interrupt from idle, return true. The caller must have at least* disabled preemption.则
721  Report expedited quiescent state for specified rcu_data (CPU).
722  返回
724  Request an expedited quiescent state.