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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 1B15EC43331 for ; Wed, 1 Apr 2020 13:22:44 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C41A12073B for ; Wed, 1 Apr 2020 13:22:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C41A12073B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48sn1Y0d5pzDr7q for ; Thu, 2 Apr 2020 00:22:41 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48smMh5Sp5zDr1b for ; Wed, 1 Apr 2020 23:53:20 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 48smMd4mMgz9sT2; Wed, 1 Apr 2020 23:53:17 +1100 (AEDT) Received: by ozlabs.org (Postfix, from userid 1034) id 48smMd0jTnz9sTD; Wed, 1 Apr 2020 23:53:16 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: ead983604c5a390f1e3ce085945b60e82f08dbbe In-Reply-To: <20200227045933.22967-1-mpe@ellerman.id.au> To: Michael Ellerman , linuxppc-dev@ozlabs.org From: Michael Ellerman Subject: Re: [PATCH 1/2] powerpc/vmlinux.lds: Explicitly retain .gnu.hash Message-Id: <48smMd0jTnz9sTD@ozlabs.org> Date: Wed, 1 Apr 2020 23:53:16 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: joel@jms.id.au, amodra@gmail.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, 2020-02-27 at 04:59:32 UTC, Michael Ellerman wrote: > Relocatable kernel builds produce a warning about .gnu.hash being an > orphan section: > > ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash' > > If we try to discard it the build fails: > > ld -EL -m elf64lppc -pie --orphan-handling=warn --build-id -o > .tmp_vmlinux1 -T ./arch/powerpc/kernel/vmlinux.lds --whole-archive > arch/powerpc/kernel/head_64.o arch/powerpc/kernel/entry_64.o > ... > sound/built-in.a net/built-in.a virt/built-in.a --no-whole-archive > --start-group lib/lib.a --end-group > ld: could not find section .gnu.hash > > So add an entry to explicitly retain it, as we do for .hash. > > Signed-off-by: Michael Ellerman Applied to powerpc next. https://git.kernel.org/powerpc/c/ead983604c5a390f1e3ce085945b60e82f08dbbe cheers