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 D3972C433F5 for ; Sun, 24 Apr 2022 12:08:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229477AbiDXMLn (ORCPT ); Sun, 24 Apr 2022 08:11:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229453AbiDXMLk (ORCPT ); Sun, 24 Apr 2022 08:11:40 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9650925E9D for ; Sun, 24 Apr 2022 05:08:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650802120; x=1682338120; h=date:from:to:cc:subject:message-id:mime-version; bh=tICH0q8g8dbLJL8g4kbFNW/ZxZEvaqnutCmhpsehBNs=; b=hSJ6QsqhjSbgI2VPB8nPN7qlbuHR99KkVIwCJa1Oe3S54/b+bLpBbmwd oeTzeRuuRFbSGctNbUD/YsW26HHyoTfCEqWkns6orl4Ne29bXUVg7FnIE dx7HDDOiy3113RoWcCDm8ivBMLSLoMWE+vop4nEZhaBvr2QZO02MtU4Qe 1bUoxmOJ3LPbv8PY6ZVu20k3A6NP8eOhLWkthCliH4pisZEegEHqcr7hN WVKReeyb3whnFDMcKKhSDvstrb3xEAW06f6aeWpRXvs5AIKf3lizVacql vN46duS9c53qUKIw7U0Kdm4yW9t0UDODNTM1trusDzsUTN7dPfIFBikHk g==; X-IronPort-AV: E=McAfee;i="6400,9594,10326"; a="245606042" X-IronPort-AV: E=Sophos;i="5.90,286,1643702400"; d="scan'208";a="245606042" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2022 05:08:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,286,1643702400"; d="scan'208";a="531643418" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 24 Apr 2022 05:08:38 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1nib2b-0001Q3-Kf; Sun, 24 Apr 2022 12:08:37 +0000 Date: Sun, 24 Apr 2022 20:08:20 +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 22/56] drivers/soc/sifive/sifive_l2_cache.c:152:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations Message-ID: <202204242055.S0sCOxzU-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/esmil/linux visionfive head: 0729a282564fe3940277937536b1e67f98885c49 commit: 82d19ba510f9a07c18a011731401222caaffdb4a [22/56] sifive/sifive_l2_cache: Add sifive_l2_flush64_range function config: riscv-randconfig-r016-20220424 (https://download.01.org/0day-ci/archive/20220424/202204242055.S0sCOxzU-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818) 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/82d19ba510f9a07c18a011731401222caaffdb4a git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout 82d19ba510f9a07c18a011731401222caaffdb4a # 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=riscv SHELL=/bin/bash arch/riscv/kvm/ 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: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-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 https://01.org/lkp