函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\context_tracking.c Create Date:2022-07-27 15:11:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ext_tracking_enter - Inform the context tracking that the CPU is going* enter user or guest space mode

函数原型：void __context_tracking_enter(enum ctx_state state)

返回类型：void

参数：

类型参数名称
enum ctx_statestate
65  WARN_ON_ONCE(!mm)
67  如果非context_tracking_recursion_enter()则返回
70  如果Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(state)不等于state则
71  如果Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(active)则
79  如果state恒等于CONTEXT_USER则
83  rcu_user_enter()
98  __this_cpu_write(state, state)
100  context_tracking_recursion_exit()
调用者
名称描述
context_tracking_enter