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 04224C4332F for ; Wed, 23 Feb 2022 12:48:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240603AbiBWMtE (ORCPT ); Wed, 23 Feb 2022 07:49:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235138AbiBWMtA (ORCPT ); Wed, 23 Feb 2022 07:49:00 -0500 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B17F6A66C7 for ; Wed, 23 Feb 2022 04:48:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645620512; x=1677156512; h=date:from:to:cc:subject:message-id:mime-version; bh=KhRnw7ZWAzdpuxFUdrJzBJ/TAtcmDtqlXClYmvJkIls=; b=jTWNkUnj5YBY1zBG5jsJchaeHV9f78KWWkioCtjmgJA8NugLlcbcQarL N+ti9q1Khk3ECdtEVMvcRYSBWA+MR17ZY1fzBNW3IogzzEo1CXcGzaEHE /3hn7b8mIlXz+8+TupncVUkWhXCCpBJXQzS+3HQylfwLW+p4taD9mD+mj 8V6i4gHy1DNP6iqBWRfDEHdLlsw60a74EmePHXQlkiPXKKTP/3p5xfvEX vRSz50cF5cySvhPGP9nI/rl/xatlktJ28zDi7wcmsq67dGPXC7B7U5cH7 K/AHaVFSW6sDI799hQqx02+ow3r2V1Cl99Q1PzIIy0je8betRMv2MZRt6 w==; X-IronPort-AV: E=McAfee;i="6200,9189,10266"; a="276572722" X-IronPort-AV: E=Sophos;i="5.88,390,1635231600"; d="scan'208";a="276572722" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Feb 2022 04:48:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,390,1635231600"; d="scan'208";a="776660020" Received: from lkp-server01.sh.intel.com (HELO 788b1cd46f0d) ([10.239.97.150]) by fmsmga006.fm.intel.com with ESMTP; 23 Feb 2022 04:48:30 -0800 Received: from kbuild by 788b1cd46f0d with local (Exim 4.92) (envelope-from ) id 1nMr4I-0001Ps-4D; Wed, 23 Feb 2022 12:48:30 +0000 Date: Wed, 23 Feb 2022 20:48:06 +0800 From: kernel test robot To: Tom Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Emil Renner Berthing Subject: [esmil:visionfive 29/61] drivers/soc/sifive/sifive_l2_cache.c:152:3: error: implicit declaration of function 'writeq' Message-ID: <202202232048.az4q1NmG-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/esmil/linux visionfive head: 54fad564dc7a117704e99248c3984f907e1867d5 commit: 49001aee175962e2a2ba2a82b393be62efc341ea [29/61] sifive/sifive_l2_cache: Add sifive_l2_flush64_range function config: riscv-randconfig-r011-20220221 (https://download.01.org/0day-ci/archive/20220223/202202232048.az4q1NmG-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/esmil/linux/commit/49001aee175962e2a2ba2a82b393be62efc341ea git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout 49001aee175962e2a2ba2a82b393be62efc341ea # 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=riscv SHELL=/bin/bash drivers/soc/sifive/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): >> drivers/soc/sifive/sifive_l2_cache.c:152:3: error: implicit declaration of function 'writeq' [-Werror,-Wimplicit-function-declaration] writeq(line, l2_base + SIFIVE_L2_FLUSH64); ^ >> drivers/soc/sifive/sifive_l2_cache.c:142:19: warning: result of comparison of constant 36507222016 with expression of type 'unsigned long' is always false [-Wtautological-constant-out-of-range-compare] (start + len) > (CONFIG_SIFIVE_L2_FLUSH_START + ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/writeq +152 drivers/soc/sifive/sifive_l2_cache.c 123 124 #ifdef CONFIG_SIFIVE_L2_FLUSH 125 void sifive_l2_flush64_range(unsigned long start, unsigned long len) 126 { 127 unsigned long line; 128 129 if(!l2_base) { 130 pr_warn("L2CACHE: base addr invalid, skipping flush\n"); 131 return; 132 } 133 134 /* TODO: if (len == 0), skipping flush or going on? */ 135 if(!len) { 136 pr_debug("L2CACHE: flush64 range @ 0x%lx(len:0)\n", start); 137 return; 138 } 139 140 /* make sure the address is in the range */ 141 if(start < CONFIG_SIFIVE_L2_FLUSH_START || > 142 (start + len) > (CONFIG_SIFIVE_L2_FLUSH_START + 143 CONFIG_SIFIVE_L2_FLUSH_SIZE)) { 144 pr_warn("L2CACHE: flush64 out of range: %lx(%lx), skip flush\n", 145 start, len); 146 return; 147 } 148 149 mb(); /* sync */ 150 for (line = start; line < start + len; 151 line += SIFIVE_L2_FLUSH64_LINE_LEN) { > 152 writeq(line, l2_base + SIFIVE_L2_FLUSH64); 153 mb(); 154 } 155 } 156 EXPORT_SYMBOL_GPL(sifive_l2_flush64_range); 157 #endif 158 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org