From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56B7AC47080 for ; Tue, 1 Jun 2021 19:37:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E543613B1 for ; Tue, 1 Jun 2021 19:37:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234692AbhFATjP (ORCPT ); Tue, 1 Jun 2021 15:39:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233397AbhFATjO (ORCPT ); Tue, 1 Jun 2021 15:39:14 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1776FC061574 for ; Tue, 1 Jun 2021 12:37:31 -0700 (PDT) Received: from zn.tnic (p200300ec2f111d0004f27110e64a0196.dip0.t-ipconnect.de [IPv6:2003:ec:2f11:1d00:4f2:7110:e64a:196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 6244E1EC0288; Tue, 1 Jun 2021 21:37:29 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1622576249; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding:in-reply-to: references; bh=QLE59ztlSD3m3tdl+QNVMlCX7UcfaxmeXe+Z2kA73qw=; b=KqkeHm93BmfiFbUCZpRtHRzIDlKG2YfpkJ+ApPSJUYQsDuSm40cezy6JQ9N3XSR8Qwj65p rkVpzT5Qs3HG5w1Z7CKo8DjyvX4qm+aipYMwFj14B4pagS17PHRwt+enqse45VVTm876Gn u62o2/xhGMIm2M4aCwGgtaL/prRoAp0= From: Borislav Petkov To: X86 ML Cc: LKML Subject: [PATCH] x86/alternative: Align insn bytes vertically Date: Tue, 1 Jun 2021 21:37:13 +0200 Message-Id: <20210601193713.16190-1-bp@alien8.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov For easier inspection which bytes have changed. For example: feat: 7*32+12, old: (__x86_indirect_thunk_r10+0x0/0x20 (ffffffff81c02480) len: 17), repl: (ffffffff897813aa, len: 17) ffffffff81c02480: old_insn: 41 ff e2 90 90 90 90 90 90 90 90 90 90 90 90 90 90 ffffffff897813aa: rpl_insn: e8 07 00 00 00 f3 90 0f ae e8 eb f9 4c 89 14 24 c3 ffffffff81c02480: final_insn: e8 07 00 00 00 f3 90 0f ae e8 eb f9 4c 89 14 24 c3 No functional changes. Signed-off-by: Borislav Petkov --- arch/x86/kernel/alternative.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 75c752b0628c..227c4a8b145a 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -273,8 +273,8 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start, instr, instr, a->instrlen, replacement, a->replacementlen); - DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr); - DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement); + DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr); + DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement); memcpy(insn_buff, replacement, a->replacementlen); insn_buff_sz = a->replacementlen; -- 2.29.2