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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EBE38C55ABF for ; Thu, 6 Aug 2026 13:02:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KI0HE3TjLwg5vX+3xRIAMwwVeJIWI4hexpP4whJ0JMM=; b=O20jL/yMBhxSsGGsFoC4ECUvoQ uhIy0xjHtXwboccyW0PYQB/+m/6H0YIeOvdquKukqMDUugGeNKS6jOoPpjZMy1/GZIIhq+7b24u4k rsX+L4+mpqx6JqXsJFSwkkso1YY8V37Lt6Z6+749c/Z0gfRl9P4hPZwGgEUkpDgFhcxFs5VvLyZlS 5KAZaBAUZWOSKiYc83U1Ksn87vb8mMh3uyjfVPWJyOfXECUKxn7Wsv27YtfF18KAR2Erru1DUduqF JGeS40Mi7EPX3AnjiDwy4hZYhO7IP/R5bTLTHsDhIIz0uKvIWxDqppw0gkfR3Xnxm4Zgc0HqcPOY9 gmS4WH8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wrxk9-00000005qIB-2m8f; Thu, 06 Aug 2026 13:02:41 +0000 Received: from canpmsgout01.his.huawei.com ([113.46.200.216]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wrxk6-00000005qHY-0ffB for linux-arm-kernel@lists.infradead.org; Thu, 06 Aug 2026 13:02:40 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=KI0HE3TjLwg5vX+3xRIAMwwVeJIWI4hexpP4whJ0JMM=; b=yk/apbZSUOi1fZInYN9LOQZhYyOoCuBIeXwbaM+kdzh+0BMgOMnsTO47jtesBkaxO/AuASNHy x5L1lxOqKaka4dkEH3DnilAbaU5h+PsLugKUd++q9+lJQMaVYrfMg/75cFcJC9fw7RnAqqUc/Cz QZiI6g3Ar4xDT3w7GqltNIo= Received: from mail.maildlp.com (unknown [172.19.162.197]) by canpmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4hG6d42jZjz1T4Fq; Thu, 6 Aug 2026 20:52:40 +0800 (CST) Received: from kwepemj100009.china.huawei.com (unknown [7.202.194.3]) by mail.maildlp.com (Postfix) with ESMTPS id 720A84057D; Thu, 6 Aug 2026 21:02:22 +0800 (CST) Received: from DESKTOP-A37P9LK.huawei.com (10.67.109.17) by kwepemj100009.china.huawei.com (7.202.194.3) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Thu, 6 Aug 2026 21:02:21 +0800 From: Xie Yuanbin To: , , , , , CC: , , , , Xie Yuanbin Subject: Re: [PATCH v3] ARM: module.lds: fix unwind metadata for merged .text sections Date: Thu, 6 Aug 2026 21:02:12 +0800 Message-ID: <20260806130212.48727-1-xieyuanbin1@huawei.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.67.109.17] X-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To kwepemj100009.china.huawei.com (7.202.194.3) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260806_060238_720530_24540CD7 X-CRM114-Status: UNSURE ( 7.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, 30 May 2026 23:46:01 +0800, Xiao Junzhe wrote: > + .ARM.extab 0 : { > + *(.ARM.extab .ARM.extab.text .ARM.extab.text.[0-9a-zA-Z_]*) > + } > + .ARM.exidx 0 : { > + *(.ARM.exidx .ARM.exidx.text .ARM.exidx.text.[0-9a-zA-Z_]*) > + } > +} I think ".ARM.extab.text" and ".ARM.exidx.text" is redundant, and I suggest that "*(.ARM.extab .ARM.extab.text.[0-9a-zA-Z_]*)" "*(.ARM.exidx .ARM.exidx.text.[0-9a-zA-Z_]*)" instead. Mapping between the text sections and exidx sections in .o files generated by the compilers: ".text" -> ".ARM.exidx" ".text.xx" -> ".ARM.exidx.text.xx" ".ARM.extab.text" and ".ARM.exidx.text" sections will never be generated by the compilers. Also Cc to Linus Walleij and UNWIND: Cc: Linus Walleij Cc: Josh Poimboeuf Cc: Steven Rostedt