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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C370EC433FE for ; Wed, 23 Nov 2022 08:50:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 33FE58E0001; Wed, 23 Nov 2022 03:50:22 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2F07F6B0073; Wed, 23 Nov 2022 03:50:22 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1B7828E0001; Wed, 23 Nov 2022 03:50:22 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 0B3AB6B0071 for ; Wed, 23 Nov 2022 03:50:22 -0500 (EST) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id CE7101610BF for ; Wed, 23 Nov 2022 08:50:21 +0000 (UTC) X-FDA: 80164085442.26.1A18FDF Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by imf17.hostedemail.com (Postfix) with ESMTP id C401940002 for ; Wed, 23 Nov 2022 08:50:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669193420; x=1700729420; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=oqPLmurRiA/J12SZ/yTUE03N36gDsYMvqJElXO6tybk=; b=g7RnIBukyFSuI1Of3uMdwZrA/ZcfeamTR2hEHqkp0vgVCPxSOl6GLWcC 5HA1VhRsWUOlfvU5b+PwQEjUX+2/bbtCdQLjYVpfS09U8DBIfy7cKhKrs 9ligp6NHecXQM9qF2x5TLofcwEqgGzz/1lGVb1cBN6yIFzwsMpG5bDcrM fA2NcFwzCBRUnFuCllMSEpmnPSbQ13x9z8gOxK2IKWz5mEdvgDoaITYHY cyUpAmYcPfzOX5xgHuy+rU4fFjO5Svnw/YvQbZi9O7nzgM1NeMPChG06k Q/rnwcGYykRnxtu0uBxON7y/8q5pckOODUZkG5riSOaGnSaKzh8kEHKez w==; X-IronPort-AV: E=McAfee;i="6500,9779,10539"; a="297376334" X-IronPort-AV: E=Sophos;i="5.96,186,1665471600"; d="scan'208";a="297376334" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2022 00:50:11 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10539"; a="705279153" X-IronPort-AV: E=Sophos;i="5.96,186,1665471600"; d="scan'208";a="705279153" Received: from rongch2-mobl.ccr.corp.intel.com (HELO [10.254.208.60]) ([10.254.208.60]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2022 00:50:09 -0800 Subject: Re: [linux-next:master 5636/9540] ld.lld: error: undefined symbol: drm_of_get_data_lanes_count_ep To: Biju Das , kernel test robot Cc: "llvm@lists.linux.dev" , "oe-kbuild-all@lists.linux.dev" , Linux Memory Management List , Laurent Pinchart References: <202211222131.H2kT55xh-lkp@intel.com> From: "Chen, Rong A" Message-ID: <0a033967-0336-b265-e346-e05eec14e204@intel.com> Date: Wed, 23 Nov 2022 16:50:07 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669193421; a=rsa-sha256; cv=none; b=gvzKeJRhRc9PZO+Cnwako6aXEe5blRjTcHysQFpF5M00658LbQRD94seFg6cNa/EOhfGAF Q3wCJYTz++wY4hJVv8ASarZ0xbnWqr/UW70LDomZC2znwliOkZmdFqVcg7zGiHqAH36rwP JZOX4Hv/sEv/Xhb0NMGB5AAapHgEpnM= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=g7RnIBuk; spf=pass (imf17.hostedemail.com: domain of rong.a.chen@intel.com designates 134.134.136.126 as permitted sender) smtp.mailfrom=rong.a.chen@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669193421; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=NLJT7/BtvsOFKBSzcyqb+K34wqkXOHDF5FD3k4WAbAs=; b=Ly8ndzSDcWXtILs3d/DOGP/qBH6gmCQeqXfuCwUhuw1msDENLXcYgCRnL90eVxZg85n8z+ kfm2VCCLkByJGrWF456D/NVn4eSPLMAhzHoy8g+F7aAakF+1XDaPwb3eAGw5savSqDs0UT z3iVlUE8FCwULHPJRMT6S8+XbzRZeJw= X-Rspam-User: X-Rspamd-Queue-Id: C401940002 Authentication-Results: imf17.hostedemail.com; dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=g7RnIBuk; spf=pass (imf17.hostedemail.com: domain of rong.a.chen@intel.com designates 134.134.136.126 as permitted sender) smtp.mailfrom=rong.a.chen@intel.com; dmarc=pass (policy=none) header.from=intel.com X-Stat-Signature: g1wmjschjppxwadxxpk7icoreuqfe894 X-Rspamd-Server: rspam10 X-HE-Tag: 1669193420-376789 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 11/22/2022 11:17 PM, Biju Das wrote: > Hi kernel test robot, > >> Subject: [linux-next:master 5636/9540] ld.lld: error: undefined symbol: >> drm_of_get_data_lanes_count_ep >> >> tree: >> >> head: 771a207d1ee9f38da8c0cee1412228f18b900bac >> commit: 7a043f978ed1433bddb088a732e9bb91501ebd76 [5636/9540] drm: rcar- >> du: Add RZ/G2L DSI driver >> config: arm64-randconfig-r026-20221122 >> compiler: clang version 16.0.0 >> reproduce (this is a W=1 build): >> wget > -O ~/bin/make.cross >> chmod +x ~/bin/make.cross >> # install arm64 cross compiling tool for clang build >> # apt-get install binutils-aarch64-linux-gnu >> # >> git remote add linux-next >> git fetch --no-tags linux-next master >> git checkout 7a043f978ed1433bddb088a732e9bb91501ebd76 >> # save the config file >> mkdir build_dir && cp config build_dir/.config >> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 >> O=build_dir ARCH=arm64 SHELL=/bin/bash >> >> If you fix the issue, kindly add following tag where applicable >> | Reported-by: kernel test robot >> >> All errors (new ones prefixed by >>): >> >>>> ld.lld: error: undefined symbol: drm_of_get_data_lanes_count_ep >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_probe) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: drm_bridge_attach >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_attach) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: >> drm_atomic_get_new_connector_for_encoder >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_atomic_enable) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: devm_drm_of_get_bridge >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_host_attach) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: drm_bridge_add >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_host_attach) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: drm_bridge_remove >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_host_detach) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: >> drm_atomic_helper_bridge_duplicate_state >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_bridge_ops) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: >> drm_atomic_helper_bridge_destroy_state >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_bridge_ops) in archive vmlinux.a >> -- >>>> ld.lld: error: undefined symbol: drm_atomic_helper_bridge_reset >> >>> referenced by rzg2l_mipi_dsi.c >> >>> drivers/gpu/drm/rcar- >> du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_bridge_ops) in archive vmlinux.a > > I was able to reproduce the issue and the same fix[1], will fix the issue > here for clang compiler as well. Can you please apply [1] to avoid > repeatedly sending the same issue for different compilers on the kernel test robot? Hi Biju, Thanks for your advice, we'll add it to ignore list. Best Regards, Rong Chen > > [1] https://lore.kernel.org/linux-renesas-soc/Y3wVLU01mHp2zozI@pendragon.ideasonboard.com/T/#t > > Cheers, > Biju >