samples/livepatch/livepatch-callbacks-mod.c

   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
  28 static int livepatch_callbacks_mod_init(void)
  29 {
  30         pr_info("%s\n", __func__);
  31         return 0;
  32 }
  33
  34 static void livepatch_callbacks_mod_exit(void)
  35 {
  36         pr_info("%s\n", __func__);
  37 }
  38
  39 module_init(livepatch_callbacks_mod_init);
  40 module_exit(livepatch_callbacks_mod_exit);
  41 MODULE_LICENSE("GPL");