1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
4 */
5
6/*
7 * livepatch-callbacks-mod.c - (un)patching callbacks demo support module
8 *
9 *
10 * Purpose
11 * -------
12 *
13 * Simple module to demonstrate livepatch (un)patching callbacks.
14 *
15 *
16 * Usage
17 * -----
18 *
19 * This module is not intended to be standalone. See the "Usage"
20 * section of livepatch-callbacks-demo.c.
21 */
22
23#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
24
25#include <linux/module.h>
26#include <linux/kernel.h>
27
28static int livepatch_callbacks_mod_init(void)
29{
30 pr_info("%s\n", __func__);
31 return 0;
32}
33
34static void livepatch_callbacks_mod_exit(void)
35{
36 pr_info("%s\n", __func__);
37}
38
39module_init(livepatch_callbacks_mod_init);
40module_exit(livepatch_callbacks_mod_exit);
41MODULE_LICENSE("GPL");
42

source code of linux/samples/livepatch/livepatch-callbacks-mod.c