From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) (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 E59E82F53 for ; Thu, 14 Jul 2022 16:43:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657817009; x=1689353009; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=N/xECZxr+sWlay9b7MODTqclvFGTFHTyS6Ax8kmXyOI=; b=bNi5q43pP0vQSJNIl/0+fPJ99eHvqCYNzNdMYOF+nQzvLnFFeQtFobHE eaF/UbTVpQmWmyrJADac/euVmejeMn41t/O3wKsnfFrDomk5oDwDdRMgT F6RaGZLvz4K+4cNU28GMRH9BQM1ujO8tVrt2dmhoW0CgZ9Z4lhtcEY71P PFl4EPB1NzELukqeDwAR+kCwye1Be+7s2PX3jv1WTkY2glYN5mgdVYSU/ Sb8NDsvBgiRip057QANpidKjFHJecRkw3TpVps1mIUVaFmTZ4Z6Sf35SH zcN6iDzjBHHYeSRPaO+kaaUgq2peDhecs7CDLdpWAobbOiZ+I4YHwh42o g==; X-IronPort-AV: E=McAfee;i="6400,9594,10408"; a="268596855" X-IronPort-AV: E=Sophos;i="5.92,271,1650956400"; d="scan'208";a="268596855" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2022 09:43:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,271,1650956400"; d="scan'208";a="738340522" Received: from lkp-server01.sh.intel.com (HELO fd2c14d642b4) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 14 Jul 2022 09:43:28 -0700 Received: from kbuild by fd2c14d642b4 with local (Exim 4.95) (envelope-from ) id 1oC1vz-0000sn-KH; Thu, 14 Jul 2022 16:43:27 +0000 Date: Fri, 15 Jul 2022 00:42:29 +0800 From: kernel test robot To: Benjamin Tissoires Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org Subject: Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation Message-ID: <202207150008.O4t08On6-lkp@intel.com> References: <20220712145850.599666-13-benjamin.tissoires@redhat.com> 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: <20220712145850.599666-13-benjamin.tissoires@redhat.com> Hi Benjamin, I love your patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Benjamin-Tissoires/Introduce-eBPF-support-for-HID-devices/20220712-230852 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: arm-vexpress_defconfig (https://download.01.org/0day-ci/archive/20220715/202207150008.O4t08On6-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e61b9c556267086ef9b743a0b57df302eef831b) 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/57eb5074a35029f30cc13ed3a526b3342b169788 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Benjamin-Tissoires/Introduce-eBPF-support-for-HID-devices/20220712-230852 git checkout 57eb5074a35029f30cc13ed3a526b3342b169788 # 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 where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: dispatch_hid_bpf_device_event >>> referenced by hid-core.c >>> hid/hid-core.o:(hid_input_report) in archive drivers/built-in.a -- >> ld.lld: error: undefined symbol: hid_bpf_device_init >>> referenced by hid-core.c >>> hid/hid-core.o:(hid_allocate_device) in archive drivers/built-in.a -- >> ld.lld: error: undefined symbol: hid_bpf_destroy_device >>> referenced by hid-core.c >>> hid/hid-core.o:(hid_destroy_device) in archive drivers/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp