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 EB59AC6FA86 for ; Tue, 13 Sep 2022 02:57:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230104AbiIMC5s (ORCPT ); Mon, 12 Sep 2022 22:57:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230081AbiIMC5p (ORCPT ); Mon, 12 Sep 2022 22:57:45 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8FC44F655 for ; Mon, 12 Sep 2022 19:57:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663037864; x=1694573864; h=date:from:to:cc:subject:message-id:mime-version; bh=igZFmcra99pSCHBocBFCevoqU/tRbp9DHblEw52maIg=; b=B7z6J4Za5nIyOoh9kF8YSsDOhtcS22EOKR0LdASdES+qoqfDgdQIbn2t FO4FKsAiQTQYYW6Ov/ymN/JSMjoppg0IjuNnY9z8/Uag3DsWFT0/x3bOO DbQKxAsBSDwoBu3p0z9m8SmRyAON2oNDFYe5EOvDQB8F0xt9t2+d066l/ Xz7AaYSDRcHW7pa8e3EaCFAT1qkuFX46A/1wqI41czEoCaUtsLm9JIHGz Bl01chJKHdxoyLYaUF+PJyxhXoJYuNuOmCOLwVTxfBR/0gqp1b0DG43Er 7bn8Q5mzENdSIiGpS+CJ6nWbCeiOexazI/u/C7OaPhdtZfFrosRtmqi1G Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10468"; a="384317734" X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="384317734" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2022 19:57:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="567414232" Received: from lkp-server02.sh.intel.com (HELO 4011df4f4fd3) ([10.239.97.151]) by orsmga003.jf.intel.com with ESMTP; 12 Sep 2022 19:57:41 -0700 Received: from kbuild by 4011df4f4fd3 with local (Exim 4.96) (envelope-from ) id 1oXw7I-00038F-37; Tue, 13 Sep 2022 02:57:40 +0000 Date: Tue, 13 Sep 2022 10:56:44 +0800 From: kernel test robot To: Andi Kleen Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Alexander Shishkin Subject: [intel-tdx:guest-hardening-rebased 13/39] arch/x86/coco/tdx/tdx.c:531:15: warning: no previous prototype for function 'tdx_mmio_readq' Message-ID: <202209131030.eVPnwS0j-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 Hi Andi, FYI, the error/warning still remains. tree: https://github.com/intel/tdx.git guest-hardening-rebased head: 1f71e25a309e1f46dadb7c65e4383c3690dcd3be commit: 0cf382195475412201e134e2925bb276445a8460 [13/39] x86/tdx: Enable direct iomap MMIO optimizations config: x86_64-randconfig-r025-20220912 (https://download.01.org/0day-ci/archive/20220913/202209131030.eVPnwS0j-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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 # https://github.com/intel/tdx/commit/0cf382195475412201e134e2925bb276445a8460 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx guest-hardening-rebased git checkout 0cf382195475412201e134e2925bb276445a8460 # 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=x86_64 SHELL=/bin/bash arch/x86/coco/tdx/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): arch/x86/coco/tdx/tdx.c:298:14: warning: no previous prototype for function 'tdx_write_msr' [-Wmissing-prototypes] void notrace tdx_write_msr(unsigned int msr, u32 low, u32 high) ^ arch/x86/coco/tdx/tdx.c:298:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void notrace tdx_write_msr(unsigned int msr, u32 low, u32 high) ^ static >> arch/x86/coco/tdx/tdx.c:531:15: warning: no previous prototype for function 'tdx_mmio_readq' [-Wmissing-prototypes] unsigned long tdx_mmio_readq(void __iomem* addr) ^ arch/x86/coco/tdx/tdx.c:531:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned long tdx_mmio_readq(void __iomem* addr) ^ static 2 warnings generated. vim +/tdx_mmio_readq +531 arch/x86/coco/tdx/tdx.c 530 > 531 unsigned long tdx_mmio_readq(void __iomem* addr) 532 { 533 unsigned long val; 534 535 if (tdx_virt_mmio(8, false, (unsigned long)addr, &val)) 536 return 0xffffffffffffffff; 537 return val; 538 } 539 -- 0-DAY CI Kernel Test Service https://01.org/lkp