// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013 Huawei Ltd. * Author: Jiang Liu <liuj97@gmail.com> * * Based on arch/arm/kernel/jump_label.c */ #include <linux/kernel.h> #include <linux/jump_label.h> #include <linux/smp.h> #include <asm/insn.h> #include <asm/patching.h> bool arch_jump_label_transform_queue(struct jump_entry *entry, enum jump_label_type type) { void *addr = (void *)jump_entry_code(entry); u32 insn; if (type == JUMP_LABEL_JMP) { insn = aarch64_insn_gen_branch_imm(jump_entry_code(entry), jump_entry_target(entry), AARCH64_INSN_BRANCH_NOLINK); } else { insn = aarch64_insn_gen_nop(); } aarch64_insn_patch_text_nosync(addr, insn); return true; } void arch_jump_label_transform_apply(void) { kick_all_cpus_sync(); }