xref: /openbmc/linux/arch/powerpc/kernel/jump_label.c (revision 28dce2c4)
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 	struct ppc_inst *addr = (struct ppc_inst *)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_INST_NOP));
20 }
21