From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (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 51CE41FCC for ; Tue, 13 Sep 2022 02:57:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663037868; x=1694573868; h=date:from:to:cc:subject:message-id:mime-version; bh=igZFmcra99pSCHBocBFCevoqU/tRbp9DHblEw52maIg=; b=lMAtYudtLEEtSNLlHVoMERQ9t9wCfLDfB5iVkSe7X5Qh/pupd4Mc7ZoJ ficZUO+LqD7dBiRGYwgVz1K4xkob4hYwfi6PLx0wEJVYeIHaZLYcl0Ysq n9F78Z9afZk19gXt8ehbFNSbpgxIWV9jTvx/bVlKRo60KgdPL2JmNF2Sv lAbiqXb6zfBmbuAY/GbFOirHEXwOyaV3FgyqKoq3S6I4eTmKDONID+IfG +hjK5b4dyYQ59CHpvRCmS9asrb/OxF6XwoM2snaAkrQYUJLorOsy4hGIF HeD+F7PLXbM9luwLwEtM97ICm0vRTO0zebcPGgxs4FtF5v5zOvo9thDVw A==; X-IronPort-AV: E=McAfee;i="6500,9779,10468"; a="299360745" X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="299360745" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.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> 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 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