OpenCloudOS-Kernel/arch/powerpc/kernel/jump_label.c

24 lines
663 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>
void arch_jump_label_transform(struct jump_entry *entry,
enum jump_label_type type)
{
u32 *addr = (u32 *)(unsigned long)entry->code;
if (type == JUMP_LABEL_ENABLE)
patch_branch(addr, entry->target, 0);
else
patch_instruction(addr, PPC_INST_NOP);
}