函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\reboot.c Create Date:2022-07-27 10:33:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：kernel_restart - reboot the system*@cmd: pointer to buffer containing command to execute for restart* or %NULL* Shutdown everything and perform a clean reboot.* This is not safe to call in interrupt context.

函数原型：void kernel_restart(char *cmd)

返回类型：void

参数：

类型参数名称
char *cmd
246  kernel_restart_prepare(cmd)
247  migrate_to_reboot_cpu()
248  syscore_shutdown()
249  如果非cmd则These can be used to print at the various log levels.* All of these will print unconditionally, although note that pr_debug()* and other debug macros are compiled out unless either DEBUG is defined* or CONFIG_DYNAMIC_DEBUG is set.("Restarting system\n")
251  否则These can be used to print at the various log levels.* All of these will print unconditionally, although note that pr_debug()* and other debug macros are compiled out unless either DEBUG is defined* or CONFIG_DYNAMIC_DEBUG is set.("Restarting system with command '%s'\n", cmd)
253  kmsg_dump(KMSG_DUMP_RESTART)
254  machine_restart(cmd)
调用者
名称描述
SYSCALL_DEFINE4Reboot system call: for obvious reasons only root may call it,* and even root needs to set up some magic numbers in the registers* so that some mistake won't make this reboot the whole machine.* You can also set the meaning of the ctrl-alt-del-key here.
deferred_cad
__orderly_reboot
power_downpower_down - Shut the machine down for hibernation.* Use the platform driver, if configured, to put the system into the sleep* state corresponding to hibernation, or try to power it off or reboot,* depending on the value of hibernation_mode.