livepatch-callbacks-mod.c 1.4 KB

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  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. * livepatch-callbacks-mod.c - (un)patching callbacks demo support module
  19. *
  20. *
  21. * Purpose
  22. * -------
  23. *
  24. * Simple module to demonstrate livepatch (un)patching callbacks.
  25. *
  26. *
  27. * Usage
  28. * -----
  29. *
  30. * This module is not intended to be standalone. See the "Usage"
  31. * section of livepatch-callbacks-demo.c.
  32. */
  33. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  34. #include <linux/module.h>
  35. #include <linux/kernel.h>
  36. static int livepatch_callbacks_mod_init(void)
  37. {
  38. pr_info("%s\n", __func__);
  39. return 0;
  40. }
  41. static void livepatch_callbacks_mod_exit(void)
  42. {
  43. pr_info("%s\n", __func__);
  44. }
  45. module_init(livepatch_callbacks_mod_init);
  46. module_exit(livepatch_callbacks_mod_exit);
  47. MODULE_LICENSE("GPL");