arch/powerpc/kernel/jump_label.c


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// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2010 Michael Ellerman, IBM Corp.
 */

#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/code-patching.h>
#include <asm/inst.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_JMP)
		patch_branch(addr, entry->target, 0);
	else
		patch_instruction(addr, ppc_inst(PPC_INST_NOP));
}