Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
802 B
C
36 lines
802 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2013 Huawei Ltd.
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* Author: Jiang Liu <liuj97@gmail.com>
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*
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* Based on arch/arm/kernel/jump_label.c
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*/
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#include <linux/kernel.h>
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#include <linux/jump_label.h>
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#include <linux/smp.h>
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#include <asm/insn.h>
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#include <asm/text-patching.h>
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bool arch_jump_label_transform_queue(struct jump_entry *entry,
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enum jump_label_type type)
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{
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void *addr = (void *)jump_entry_code(entry);
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u32 insn;
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if (type == JUMP_LABEL_JMP) {
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insn = aarch64_insn_gen_branch_imm(jump_entry_code(entry),
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jump_entry_target(entry),
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AARCH64_INSN_BRANCH_NOLINK);
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} else {
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insn = aarch64_insn_gen_nop();
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}
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aarch64_insn_patch_text_nosync(addr, insn);
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return true;
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}
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void arch_jump_label_transform_apply(void)
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{
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kick_all_cpus_sync();
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}
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