1/*
 2 * This module emits "Hello, world" on printk when loaded.
 3 *
 4 * It is designed to be used for basic evaluation of the module loading
 5 * subsystem (for example when validating module signing/verification). It
 6 * lacks any extra dependencies, and will not normally be loaded by the
 7 * system unless explicitly requested by name.
 8 */
 9
10#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11
12#include <linux/init.h>
13#include <linux/module.h>
14#include <linux/printk.h>
15
16static int __init test_module_init(void)
17{
18	pr_warn("Hello, world\n");
19
20	return 0;
21}
22
23module_init(test_module_init);
24
25static void __exit test_module_exit(void)
26{
27	pr_warn("Goodbye\n");
28}
29
30module_exit(test_module_exit);
31
32MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
33MODULE_LICENSE("GPL");

 1/*
 2 * This module emits "Hello, world" on printk when loaded.
 3 *
 4 * It is designed to be used for basic evaluation of the module loading
 5 * subsystem (for example when validating module signing/verification). It
 6 * lacks any extra dependencies, and will not normally be loaded by the
 7 * system unless explicitly requested by name.
 8 */
 9
10#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11
12#include <linux/init.h>
13#include <linux/module.h>
14#include <linux/printk.h>
15
16static int __init test_module_init(void)
17{
18	pr_warn("Hello, world\n");
19
20	return 0;
21}
22
23module_init(test_module_init);
24
25static void __exit test_module_exit(void)
26{
27	pr_warn("Goodbye\n");
28}
29
30module_exit(test_module_exit);
31
32MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
33MODULE_LICENSE("GPL");