函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\watchdog.c Create Date:2022-07-27 12:50:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：lockup_detector_reconfigure

函数原型：static void lockup_detector_reconfigure(void)

返回类型：void

参数：无

619  cpus_read_lock()
620  watchdog_nmi_stop - Stop the watchdog for reconfiguration* The reconfiguration steps are:* watchdog_nmi_stop();* update_variables();* watchdog_nmi_start();
621  lockup_detector_update_enable - Update the sysctl enable bit* Caller needs to make sure that the NMI/perf watchdogs are off, so this* can't race with watchdog_nmi_disable().
622  watchdog_nmi_start - Start the watchdog after reconfiguration* Counterpart to watchdog_nmi_stop()
623  cpus_read_unlock()
调用者
名称描述
lockup_detector_setup
proc_watchdog_updatePropagate any changes to the watchdog threads