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// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* hello-world - a module that prints some strings
* to dmesg at load/unload.
*
* Copyright (C) 2019 Mark Asselstine
*
*
*/
#include <linux/init.h>
#include <linux/module.h>
/* See module.h for additional #defines you may want to customize*/
MODULE_LICENSE("Dual MIT/GPL"); /* See module.h for acceptable options */
MODULE_AUTHOR("Homer Simpson");
MODULE_DESCRIPTION("A hello-world kernel module");
MODULE_VERSION("0.1");
/* Initialize the module, called when first loaded */
static int __init hello_world_init(void) {
/* print "Hello World" to the dmesg on module load */
printk(KERN_INFO "Hello World\n");
return 0;
}
/* Last call before module unload, complete any cleanup */
static void __exit hello_world_exit(void) {
/* print "Goodby World" to the dmesg on module unload */
printk(KERN_INFO "Goodbye World\n");
}
module_init(hello_world_init);
module_exit(hello_world_exit);
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