jump_label.c 693 B

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  1. /*
  2. * Copyright 2010 Michael Ellerman, IBM Corp.
  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
  7. * 2 of the License, or (at your option) any later version.
  8. */
  9. #include <linux/kernel.h>
  10. #include <linux/jump_label.h>
  11. #include <asm/code-patching.h>
  12. #ifdef HAVE_JUMP_LABEL
  13. void arch_jump_label_transform(struct jump_entry *entry,
  14. enum jump_label_type type)
  15. {
  16. u32 *addr = (u32 *)(unsigned long)entry->code;
  17. if (type == JUMP_LABEL_ENABLE)
  18. patch_branch(addr, entry->target, 0);
  19. else
  20. patch_instruction(addr, PPC_INST_NOP);
  21. }
  22. #endif