函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\panic.c Create Date:2022-07-27 09:59:18
Last Modify:2022-05-22 10:57:01 Copyright©Brick
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函数名称：It just happens that oops_enter() and oops_exit() are identically* implemented...

函数原型：static void do_oops_enter_exit(void)

返回类型：void

参数：无

459  如果非pause_on_oops则返回
462  spin_lock_irqsave( & pause_on_oops_lock, flags)
463  如果pause_on_oops_flag恒等于0则
465  pause_on_oops_flag等于1
466  否则
468  如果非spin_counter则
470  spin_counter等于pause_on_oops
471  循环
475  当spin_counter先自减循环
476  pause_on_oops_flag等于0
477  否则
479  当spin_counter循环
480  自旋锁解锁
481  spin_msec(1)
482  加自旋锁
486  spin_unlock_irqrestore( & pause_on_oops_lock, flags)
调用者
名称描述
oops_enterCalled when the architecture enters its oops handler, before it prints* anything. If this is the first CPU to oops, and it's oopsing the first* time then let it proceed.* This is all enabled by the pause_on_oops kernel boot option. We do all
oops_exitCalled when the architecture exits its oops handler, after printing* everything.