/* https://cirosantilli.com/linux-kernel-module-cheat#qemu-buildroot-setup-getting-started */

#include <linux/module.h>

#include <linux/kernel.h>

static int myinit(void)

{

pr_info("hello init\n");

/* 0 for success, any negative value means failure,

* E* consts if you want to specify failure cause.

* https://www.linux.com/learn/kernel-newbie-corner-loadable-kernel-modules-coming-and-going */

return 0;

}

static void myexit(void)

{

pr_info("hello exit\n");

}

module_init(myinit)

module_exit(myexit)

MODULE_LICENSE("GPL");