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 livepatch_callbacks_mod_init(void)40static int livepatch_callbacks_mod_init(void) 41 { 42 pr_info("%s\n", __func__); 43 return 0; 44 } 45 livepatch_callbacks_mod_exit(void)46static 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"); 54