From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 47C4A36C for ; Sat, 14 May 2022 04:21:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652502083; x=1684038083; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=foeZf0AUzYAEV4pRcRQiybWTbSdzFEZUJrOd+rIC80M=; b=GPwz168O78KF15OdDMqLQjJtUkP492kKaKuRXng/UpuXY7UbCJNPynbc JeycMNIasn8qCg3vBY9A9ghTkecWg4Ua9paW/ti6RAfImghBeDO8WXART nP4QHLh5HGDu0enUsyneDUaWlYd6pBieA/MZqLDIKsvL3+RCB+ee+6puV 20NaIvBFMfrQ4cC8lun0uj4EePGu5je41K6JTFnh7cKs2gdh0LYonPWnB azbOAjaS9FTcb4m1HaGohHKV3bl39ZeI1tNEB3XbxsfIKU7BqbanXRGpQ GI7+8l0oonAuFjShLZ9gny9pTQvj6K6WwcFSOpJFFAaab06aex0Qd01UX g==; X-IronPort-AV: E=McAfee;i="6400,9594,10346"; a="270402251" X-IronPort-AV: E=Sophos;i="5.91,225,1647327600"; d="scan'208";a="270402251" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2022 21:21:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,225,1647327600"; d="scan'208";a="896492815" Received: from lkp-server01.sh.intel.com (HELO d1462bc4b09b) ([10.239.97.150]) by fmsmga005.fm.intel.com with ESMTP; 13 May 2022 21:21:18 -0700 Received: from kbuild by d1462bc4b09b with local (Exim 4.95) (envelope-from ) id 1npjHJ-0000CL-Br; Sat, 14 May 2022 04:21:17 +0000 Date: Sat, 14 May 2022 12:20:19 +0800 From: kernel test robot To: Vincent Mailhol , Marc Kleine-Budde Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, Max Staudt , Vincent Mailhol Subject: Re: [PATCH v2 1/2] can: skb:: move can_dropped_invalid_skb and can_skb_headroom_valid to skb.c Message-ID: <202205141221.H0aZXRak-lkp@intel.com> References: <20220513153606.302464-2-mailhol.vincent@wanadoo.fr> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220513153606.302464-2-mailhol.vincent@wanadoo.fr> Hi Vincent, I love your patch! Yet something to improve: [auto build test ERROR on mkl-can-next/testing] [also build test ERROR on v5.18-rc6 next-20220513] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Vincent-Mailhol/can-skb-move-can_dropped_invalid_skb-and-can_skb_headroom_valid-to-skb-c/20220514-003707 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing config: arm-randconfig-r021-20220512 (https://download.01.org/0day-ci/archive/20220514/202205141221.H0aZXRak-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 38189438b69ca27b4c6ce707c52dbd217583d046) 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://github.com/intel-lab-lkp/linux/commit/8f56e6b1b9945ea47c9f410d1254451df9d6fe22 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vincent-Mailhol/can-skb-move-can_dropped_invalid_skb-and-can_skb_headroom_valid-to-skb-c/20220514-003707 git checkout 8f56e6b1b9945ea47c9f410d1254451df9d6fe22 # 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=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: warning: lld uses blx instruction, no object with architecture supporting feature detected ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected >> ld.lld: error: undefined symbol: can_dropped_invalid_skb >>> referenced by vxcan.c:45 (drivers/net/can/vxcan.c:45) >>> net/can/vxcan.o:(vxcan_xmit) in archive drivers/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp