cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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jump_label.c (490B)

      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
     11void 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}