arch/powerpc/kernel/jump_label.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 2010 Michael Ellerman, IBM Corp.
   4  */
   5
   6 #include <linux/kernel.h>
   7 #include <linux/jump_label.h>
   8 #include <asm/code-patching.h>
   9 #include <asm/inst.h>
  10
  11 void arch_jump_label_transform(struct jump_entry *entry,
  12                                enum jump_label_type type)
  13 {
  14         u32 *addr = (u32 *)jump_entry_code(entry);
  15
  16         if (type == JUMP_LABEL_JMP)
  17                 patch_branch(addr, jump_entry_target(entry), 0);
  18         else
  19                 patch_instruction(addr, ppc_inst(PPC_RAW_NOP()));
  20 }