From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (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 CC38C2F26 for ; Mon, 18 Jul 2022 16:50:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658163046; x=1689699046; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=aDYDoczxu1m1tRoXPPkFOqlqcyRfDMtpX4LWYu0EDbE=; b=RgHM5AFK/XRkg8IRQ5iMDI2NnuXYPEQrMKI4+ZsXomyrVM/MhwkoTS4g tnTGYajShBWwoRPDr+CtnvnHyB8aUqVknmxr4uYrWz7VEJTwwRdT0Mcez Bv2kRkbnK6OPSnGSQp7qbTfAyhLDxKNRI5i2w3U1cO5v9+hiQVkMkY4BS JGzkyAap1EhoygJE2JZ1Eg07Af11vFytAbTd4quTPEp/T1n4bN3er88JJ qaiY00T4rXu2BH0vWaqL6ysUI07a7u6ce6PAnRPelKeXIyYTZXJC8wheZ sbfHnnD37+0ZPnXNjQxb1EHOcbKJjI43h6ojGLwIJ0f3Zj+rVNN3WTA3o Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10412"; a="283835365" X-IronPort-AV: E=Sophos;i="5.92,281,1650956400"; d="scan'208";a="283835365" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2022 09:50:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,281,1650956400"; d="scan'208";a="665086008" Received: from lkp-server02.sh.intel.com (HELO ff137eb26ff1) ([10.239.97.151]) by fmsmga004.fm.intel.com with ESMTP; 18 Jul 2022 09:50:31 -0700 Received: from kbuild by ff137eb26ff1 with local (Exim 4.95) (envelope-from ) id 1oDTx0-0004Zy-MN; Mon, 18 Jul 2022 16:50:30 +0000 Date: Tue, 19 Jul 2022 00:50:23 +0800 From: kernel test robot To: Nick Desaulniers Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Arnd Bergmann , Nathan Chancellor , Miguel Ojeda , Ard Biesheuval , Nick Desaulniers , Gary Guo , Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm: lib: implement aeabi_uldivmod via div64_u64_rem Message-ID: <202207190057.1gn0emAr-lkp@intel.com> References: <20220716001616.4052225-1-ndesaulniers@google.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 In-Reply-To: <20220716001616.4052225-1-ndesaulniers@google.com> Hi Nick, I love your patch! Perhaps something to improve: [auto build test WARNING on soc/for-next] [also build test WARNING on arm/for-next linus/master v5.19-rc7 next-20220718] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Nick-Desaulniers/arm-lib-implement-aeabi_uldivmod-via-div64_u64_rem/20220716-231205 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: arm-ixp4xx_defconfig (https://download.01.org/0day-ci/archive/20220719/202207190057.1gn0emAr-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d74b88c69dc2644bd0dc5d64e2d7413a0d4040e5) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/f0441d7a00899e433705accb0da58c94f4ff8808 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nick-Desaulniers/arm-lib-implement-aeabi_uldivmod-via-div64_u64_rem/20220716-231205 git checkout f0441d7a00899e433705accb0da58c94f4ff8808 # 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=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/arm/lib/aeabi_uldivmod.c:17:15: warning: no previous prototype for function '__aeabi_uldivmod' [-Wmissing-prototypes] struct result __aeabi_uldivmod(u64 numerator, u64 denominator) ^ arch/arm/lib/aeabi_uldivmod.c:17:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct result __aeabi_uldivmod(u64 numerator, u64 denominator) ^ static 1 warning generated. vim +/__aeabi_uldivmod +17 arch/arm/lib/aeabi_uldivmod.c 16 > 17 struct result __aeabi_uldivmod(u64 numerator, u64 denominator) -- 0-DAY CI Kernel Test Service https://01.org/lkp