Linux Kernel module to reboot the system using emergency_restart API

 $ vim reboot.c 
#include <linux/module.h>
#include <linux/reboot.h>

int init_module() {
        return 0;

void cleanup_module() {
 $ vim Makefile 
obj-m += reboot.o

        make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

        make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
 $ make 

Note: below command will reboot your system, so make sure you save all your work 🙂

 $ sudo insmod ./reboot.ko 
Android Android Commands Android Java Applications Application Libraries Application Stack / User Interface Bash / Shell Scripts Commands and Packages Compilation Content Management System - CMS Core Kernel C Programs Development & Build Development Environment Setup Errors & Failures Flutter git Go Language Programs Hardware Platforms HTML JAVA Programs Kernel & Device Drivers Linux, OS Concepts and Networking Linux Device Drivers Linux Host, Ubuntu, SysAdmin Linux Kernel Linux Networking Middleware Libraries, HAL Monetization / Google AdSense NDK / Middleware / HAL OS Concepts PHP Programming Languages RaspberryPi Scripting and Automation Search Engine Optimisation ( SEO ) Social Media Socurce Code Management ( SCM ) System Administration, Security Testing and Debugging Uncategorized User Interface Userspace Utilities Web design and development Wordpress Yocto / Bitbake / Openembedded

Leave a Reply / Ask Question