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X-CSE-ConnectionGUID: uDSNP3UgTYWhGzWtMB2T0Q== X-CSE-MsgGUID: HgO3nV2jRuWmErYV0uWzoA== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="28601372" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="28601372" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2024 05:10:23 -0700 X-CSE-ConnectionGUID: FeKCE//vSLuAYKD+etOkIw== X-CSE-MsgGUID: S4LRezwoQMCINsXZL+p4bA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,210,1725346800"; d="scan'208";a="78553510" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 17 Oct 2024 05:10:21 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t1PKd-000MHf-0G; Thu, 17 Oct 2024 12:10:19 +0000 Date: Thu, 17 Oct 2024 20:09:50 +0800 From: kernel test robot To: Nathan Chancellor Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH 1/2] um: Fix passing '-n' to linker for stub_exe Message-ID: <202410171923.EbeKa7tA-lkp@intel.com> References: <20241016-uml-fix-stub_exe-clang-v1-1-3d6381dc5a78@kernel.org> 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: <20241016-uml-fix-stub_exe-clang-v1-1-3d6381dc5a78@kernel.org> Hi Nathan, kernel test robot noticed the following build warnings: [auto build test WARNING on 41ab5fe7471ff38d2909d1c93b88197a89c6a00f] url: https://github.com/intel-lab-lkp/linux/commits/Nathan-Chancellor/um-Fix-passing-n-to-linker-for-stub_exe/20241017-051439 base: 41ab5fe7471ff38d2909d1c93b88197a89c6a00f patch link: https://lore.kernel.org/r/20241016-uml-fix-stub_exe-clang-v1-1-3d6381dc5a78%40kernel.org patch subject: [PATCH 1/2] um: Fix passing '-n' to linker for stub_exe config: um-defconfig (https://download.01.org/0day-ci/archive/20241017/202410171923.EbeKa7tA-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bfe84f7085d82d06d61c632a7bad1e692fd159e4) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241017/202410171923.EbeKa7tA-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202410171923.EbeKa7tA-lkp@intel.com/ All warnings (new ones prefixed by >>): >> clang: warning: argument unused during compilation: '-mno-3dnow' [-Wunused-command-line-argument] /usr/bin/ld: arch/um/kernel/skas/stub_exe.o: in function `_start': arch/um/kernel/skas/stub_exe.c:83: undefined reference to `memset' clang: error: linker command failed with exit code 1 (use -v to see invocation) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki