kernel/arch/powerpc/kernel/jump_label.c

27 lines
746 B
C

/*
* Copyright 2010 Michael Ellerman, IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/code-patching.h>
#include <asm/inst.h>
#ifdef HAVE_JUMP_LABEL
void arch_jump_label_transform(struct jump_entry *entry,
enum jump_label_type type)
{
struct ppc_inst *addr = (struct ppc_inst *)(unsigned long)entry->code;
if (type == JUMP_LABEL_JMP)
patch_branch(addr, entry->target, 0);
else
patch_instruction(addr, ppc_inst(PPC_INST_NOP));
}
#endif