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 11:27:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
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函数名称：Near the beginning of the process. The CPU is still very much alive* with pretty much all services enabled.

函数原型：int rcutree_offline_cpu(unsigned int cpu)

返回类型：int

参数：

类型参数名称
unsigned intcpu
3135  rdp等于per_cpu_ptr( & rcu_data, cpu)
3136  rnp等于This CPU's leaf of hierarchy
3137  raw_spin_lock_irqsave_rcu_node(rnp, flags)
3138  Fully functional CPUs. 与等于Mask to apply to leaf qsmask. 的反
3139  raw_spin_unlock_irqrestore_rcu_node(rnp, flags)
3141  Update RCU priority boot kthread affinity for CPU-hotplug changes.
3144  tick_dep_set(TICK_DEP_BIT_RCU)
3145  返回:0