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 5C15CC433F5 for ; Sat, 26 Feb 2022 23:10:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229982AbiBZXKu (ORCPT ); Sat, 26 Feb 2022 18:10:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229974AbiBZXKt (ORCPT ); Sat, 26 Feb 2022 18:10:49 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EAC821CABFD for ; Sat, 26 Feb 2022 15:10:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645917012; x=1677453012; h=date:from:to:cc:subject:message-id:mime-version; bh=ahx7IuD5uBSfat9HGZzW/lxFspm9JreiJP4tVvzDlPI=; b=nMSZopWF8WGi1/AQpURPoZ7jTweNOGMupYRfHTmhRfLCD4rKr+DK7f4L 3RmT75Aqox4OQ5RwLEcfGsi/u4ohPMu/zC8cJyFMGbFoApf9or36qgk0P ElJY8ySnnPkx8y35WH+96rgedKJesR9mp25Ov/kDKN+g3UtZ0innNpcIH RyQeTtzqy9YCx2bJ5IxDXMOasKZ49e32GJ3Oij6MWoijCsm3ORsxqgm3I Ozg+OeNdm8XZWTxWVUSx40nimJduUzUBVp0oFFzXCJlns8GetUIu66fub /geu4txpme+RLJ6lvSJAApxz+ruandWs99+BCDD+Wp416JlbBmnIVlWbE w==; X-IronPort-AV: E=McAfee;i="6200,9189,10270"; a="232660412" X-IronPort-AV: E=Sophos;i="5.90,140,1643702400"; d="scan'208";a="232660412" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2022 15:10:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,140,1643702400"; d="scan'208";a="507044102" Received: from lkp-server01.sh.intel.com (HELO 788b1cd46f0d) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 26 Feb 2022 15:10:10 -0800 Received: from kbuild by 788b1cd46f0d with local (Exim 4.92) (envelope-from ) id 1nO6CY-00061m-5F; Sat, 26 Feb 2022 23:10:10 +0000 Date: Sun, 27 Feb 2022 07:09:13 +0800 From: kernel test robot To: Peter Collingbourne Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Will Deacon , Mark Rutland Subject: mm/kasan/sw_tags.c:211:6: warning: no previous prototype for function 'kasan_tag_mismatch' Message-ID: <202202270743.gaL2uEDw-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 Hi Peter, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2293be58d6a18cab800e25e42081bacb75c05752 commit: 1cbdf60bd1b74e397d48aa877367cfc621f45ffe kasan: arm64: support specialized outlined tag mismatch checks date: 9 months ago config: arm64-randconfig-r013-20220227 (https://download.01.org/0day-ci/archive/20220227/202202270743.gaL2uEDw-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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1cbdf60bd1b74e397d48aa877367cfc621f45ffe git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 1cbdf60bd1b74e397d48aa877367cfc621f45ffe # 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=arm64 SHELL=/bin/bash drivers/soc/ mm/kasan/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> mm/kasan/sw_tags.c:211:6: warning: no previous prototype for function 'kasan_tag_mismatch' [-Wmissing-prototypes] void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, ^ mm/kasan/sw_tags.c:211:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, ^ static 1 warning generated. vim +/kasan_tag_mismatch +211 mm/kasan/sw_tags.c 210 > 211 void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org