From nobody Thu Feb 12 04:59:37 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 620C3C77B7C for ; Fri, 28 Apr 2023 09:55:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345923AbjD1JzT (ORCPT ); Fri, 28 Apr 2023 05:55:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345862AbjD1JzF (ORCPT ); Fri, 28 Apr 2023 05:55:05 -0400 Received: from out0-203.mail.aliyun.com (out0-203.mail.aliyun.com [140.205.0.203]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB2EE59F9 for ; Fri, 28 Apr 2023 02:54:42 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018047207;MF=houwenlong.hwl@antgroup.com;NM=1;PH=DS;RN=15;SR=0;TI=SMTPD_---.STDfs7d_1682675593; Received: from localhost(mailfrom:houwenlong.hwl@antgroup.com fp:SMTPD_---.STDfs7d_1682675593) by smtp.aliyun-inc.com; Fri, 28 Apr 2023 17:53:13 +0800 From: "Hou Wenlong" To: linux-kernel@vger.kernel.org Cc: "Thomas Garnier" , "Lai Jiangshan" , "Kees Cook" , "Hou Wenlong" , "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , , "H. Peter Anvin" , "Peter Zijlstra" , "Josh Poimboeuf" , "Juergen Gross" , "Brian Gerst" Subject: [PATCH RFC 26/43] x86/pie: Add .data.rel.* sections into link script Date: Fri, 28 Apr 2023 17:51:06 +0800 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The .data.rel.local and .data.rel.ro.local sections are generated when PIE is enabled, merge them into .data section, since no dynamic loader is used. Signed-off-by: Hou Wenlong Cc: Thomas Garnier Cc: Lai Jiangshan Cc: Kees Cook --- arch/x86/kernel/vmlinux.lds.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index fa4c6582663f..71e0769d2b52 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -177,6 +177,10 @@ SECTIONS /* rarely changed data like cpu maps */ READ_MOSTLY_DATA(INTERNODE_CACHE_BYTES) =20 +#ifdef CONFIG_X86_PIE + *(.data.rel) + *(.data.rel.*) +#endif /* End of data section */ _edata =3D .; } :data --=20 2.31.1