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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CFEBC41535 for ; Mon, 7 Feb 2022 16:15:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385490AbiBGQPO (ORCPT ); Mon, 7 Feb 2022 11:15:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1443304AbiBGQHX (ORCPT ); Mon, 7 Feb 2022 11:07:23 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56C0BC0401CC for ; Mon, 7 Feb 2022 08:07:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description; bh=c66i+fvb+BntxE0hmNeI91Z4XSAdHTegp/Zffxoq4F0=; b=YEBZjURnVf7zB/KbNxXSxg5TVs Gzcj3upFPfG5fgcYA0eNQxffQtndfcH/4BC90yHdXNUFuhc78tyYvnW+ogKIivBs+ZcWHX7OJpqRI OBoqcAPmTCe69cNlC6TDbT+ioG4DyEktqu/MMiZviiSGazQZmN5fNzOMy3jX2085ASocaFdcHcifP 9QnanEl5UksMG30Bof79L6cLZzjgxnbRxtyecOKLQfemw9Do0MC+3bxUp3TiVzKWM9ca7+anDa48y CI20WCcAPdr+snfSSXp1HfQp5PDVkNExCzRgbaNE9l4Nt6QSpj2vjE+3tS/hghrR0UsSBmSd8dBso fl+2MMeQ==; Received: from [2601:1c0:6280:3f0::aa0b] by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nH6Xf-001QzH-Vb; Mon, 07 Feb 2022 16:07:04 +0000 Message-ID: Date: Mon, 7 Feb 2022 08:06:59 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: ld.lld: error: undefined symbol: socfpga_reset_init Content-Language: en-US To: Krzysztof Kozlowski , Nathan Chancellor Cc: kernel test robot , llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Dinh Nguyen References: <202202050539.Mtk9I4Ef-lkp@intel.com> <67f432e2-1bfd-29dc-f2ed-051b47ef0844@kernel.org> <8c315714-ea7b-d3ec-f131-6beded67b479@kernel.org> From: Randy Dunlap In-Reply-To: <8c315714-ea7b-d3ec-f131-6beded67b479@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/6/22 23:55, Krzysztof Kozlowski wrote: > On 07/02/2022 01:51, Nathan Chancellor wrote: >> Hi Krzysztof, >> >> On Sun, Feb 06, 2022 at 12:55:57PM +0100, Krzysztof Kozlowski wrote: >>> On 04/02/2022 22:12, kernel test robot wrote: >>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >>>> head: dcb85f85fa6f142aae1fe86f399d4503d49f2b60 >>>> commit: 4483397b03536506535d611b0cb28a81a69e8edf ARM: socfpga: drop ARCH_SOCFPGA >>>> date: 11 months ago >>>> config: arm-socfpga_defconfig (https://download.01.org/0day-ci/archive/20220205/202202050539.Mtk9I4Ef-lkp@intel.com/config) >>>> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a73e4ce6a59b01f0e37037761c1e6889d539d233) >>>> reproduce (this is a W=1 build): >>>> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >>>> chmod +x ~/bin/make.cross >>>> # install arm cross compiling tool for clang build >>>> # apt-get install binutils-arm-linux-gnueabi >>>> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4483397b03536506535d611b0cb28a81a69e8edf >>>> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >>>> git fetch --no-tags linus master >>>> git checkout 4483397b03536506535d611b0cb28a81a69e8edf >>>> # save the config file to linux build tree >>>> mkdir build_dir >>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash >>>> >>>> If you fix the issue, kindly add following tag as appropriate >>>> Reported-by: kernel test robot >>>> >>>> All errors (new ones prefixed by >>): >>>> >>>>>> ld.lld: error: undefined symbol: socfpga_reset_init >>>> >>> referenced by socfpga.c >>>> >>> socfpga.o:(socfpga_init_irq) in archive arch/arm/mach-socfpga/built-in.a >>>> >>> referenced by socfpga.c >>>> >>> socfpga.o:(socfpga_arria10_init_irq) in archive arch/arm/mach-socfpga/built-in.a >>>> >>> >>> This looks like a false positive. On the socfpga defconfig arm build, >>> the socfpga_reset_init() (drivers/reset/reset-socfpga.c) is built. >>> >>> I also could not reproduce it with GCC. >> >> I can reproduce this error with the configuration that the bot provides >> at both 4483397b03536506535d611b0cb28a81a69e8edf and v5.17-rc3, even >> with GCC: >> >> $ curl -LSso .config https://download.01.org/0day-ci/archive/20220205/202202050539.Mtk9I4Ef-lkp@intel.com/config >> >> $ make -skj"$(nproc)" ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- olddefconfig all >> ... >> arm-linux-gnueabi-ld: arch/arm/mach-socfpga/socfpga.o: in function `socfpga_init_irq': >> socfpga.c:(.init.text+0x104): undefined reference to `socfpga_reset_init' >> ... >> >> Whether or not this reproduces with the in-tree socfpga_defconfig, I am >> not sure. > > Thanks for checking - it seems I misread (and find it confusing...) the > report - that it is socfpga defconfig. It clearly says "config: > arm-socfpga_defconfig"... Aha, I did the same thing and could not reproduce it. :( > I can reproduce it with the config from the URL. I'll work on fix. Thanks. -- ~Randy