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Diffstat (limited to 'samples/livepatch/livepatch-callbacks-mod.c')
-rw-r--r-- | samples/livepatch/livepatch-callbacks-mod.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/samples/livepatch/livepatch-callbacks-mod.c b/samples/livepatch/livepatch-callbacks-mod.c new file mode 100644 index 000000000000..e610ce29ba44 --- /dev/null +++ b/samples/livepatch/livepatch-callbacks-mod.c | |||
@@ -0,0 +1,53 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version 2 | ||
7 | * of the License, or (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | ||
16 | */ | ||
17 | |||
18 | /* | ||
19 | * livepatch-callbacks-mod.c - (un)patching callbacks demo support module | ||
20 | * | ||
21 | * | ||
22 | * Purpose | ||
23 | * ------- | ||
24 | * | ||
25 | * Simple module to demonstrate livepatch (un)patching callbacks. | ||
26 | * | ||
27 | * | ||
28 | * Usage | ||
29 | * ----- | ||
30 | * | ||
31 | * This module is not intended to be standalone. See the "Usage" | ||
32 | * section of livepatch-callbacks-demo.c. | ||
33 | */ | ||
34 | |||
35 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
36 | |||
37 | #include <linux/module.h> | ||
38 | #include <linux/kernel.h> | ||
39 | |||
40 | static int livepatch_callbacks_mod_init(void) | ||
41 | { | ||
42 | pr_info("%s\n", __func__); | ||
43 | return 0; | ||
44 | } | ||
45 | |||
46 | static void livepatch_callbacks_mod_exit(void) | ||
47 | { | ||
48 | pr_info("%s\n", __func__); | ||
49 | } | ||
50 | |||
51 | module_init(livepatch_callbacks_mod_init); | ||
52 | module_exit(livepatch_callbacks_mod_exit); | ||
53 | MODULE_LICENSE("GPL"); | ||