From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (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 926E415A2 for ; Sat, 20 Aug 2022 00:55:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660956920; x=1692492920; h=date:from:to:cc:subject:message-id:mime-version; bh=jQCFueG72K1/IsvlQP1m+Io0jjK+0RV4Mz5A/fOkDSw=; b=UhEdAl9s5JlqPmqrhIq9lIHYycxtC0pzMJ/10MTPXt5lPksnxWO3zqtU rdWgbAyV4KzrViZ/6d0pMuAL9hj0nSzda1dNO1ZiONHWz4+f0X9nyt7it Gr+GfbvCLLnr2B3DpZqxgtg1waBXVwNpiLi4TbyByvY01bi2OpGrK6i80 8URXSfURRy9DwXUyqUxTgjt5UmFXcZQSn1PMv0LzxrmYGFiob+1DvhtYM qA1/xH5Zl3Bo97LwqrT/dumwTy0NwtE8JfyVwgeFg9GA5DQJjsF5H7KSW GhfVQ69x9U8cMJVMVpap1eQJq295yPReI3ecEh392DXPPzvdECAmHszKI w==; X-IronPort-AV: E=McAfee;i="6500,9779,10444"; a="293920873" X-IronPort-AV: E=Sophos;i="5.93,249,1654585200"; d="scan'208";a="293920873" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2022 17:55:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,249,1654585200"; d="scan'208";a="676626196" Received: from lkp-server01.sh.intel.com (HELO 44b6dac04a33) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 19 Aug 2022 17:55:18 -0700 Received: from kbuild by 44b6dac04a33 with local (Exim 4.96) (envelope-from ) id 1oPCli-0001yD-0U; Sat, 20 Aug 2022 00:55:18 +0000 Date: Sat, 20 Aug 2022 08:54:55 +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 13/36] arch/x86/coco/tdx/tdx.c:531:15: warning: no previous prototype for function 'tdx_mmio_readq' Message-ID: <202208200846.ns0LqPhB-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 arch/x86/coco/tdx/tdx.c tree: https://github.com/intel/tdx.git guest-hardening-rebased head: d941f409a509c084250b50a3b5fc1c3c84a596a0 commit: 0cf382195475412201e134e2925bb276445a8460 [13/36] x86/tdx: Enable direct iomap MMIO optimizations config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20220820/202208200846.ns0LqPhB-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 0ac597f3cacf60479ffd36b03766fa7462dabd78) 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