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X-CSE-ConnectionGUID: 3t303aABSaCXFbwMg8O+Yg== X-CSE-MsgGUID: HOzs4p0TTNmdBwTwV+2TsA== X-IronPort-AV: E=McAfee;i="6700,10204,11397"; a="45435772" X-IronPort-AV: E=Sophos;i="6.15,198,1739865600"; d="scan'208";a="45435772" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2025 06:13:53 -0700 X-CSE-ConnectionGUID: /a8O9W8cQo+w1L3WxOLlzw== X-CSE-MsgGUID: koJ63wdhTdqIZp1M6sJbqw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,198,1739865600"; d="scan'208";a="159263408" Received: from lkp-server01.sh.intel.com (HELO b207828170a5) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 08 Apr 2025 06:13:51 -0700 Received: from kbuild by b207828170a5 with local (Exim 4.96) (envelope-from ) id 1u28lw-0007PX-1B; Tue, 08 Apr 2025 13:13:48 +0000 Date: Tue, 8 Apr 2025 21:13:00 +0800 From: kernel test robot To: Zijun Hu , Kees Cook , Andy Shevchenko , Andrew Morton Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Zijun Hu , linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, "Rob Herring (Arm)" Subject: Re: [PATCH 1/2] lib/string: Improve strstarts() performance Message-ID: <202504082037.VtV65Bnb-lkp@intel.com> References: <20250407-imp_str_perf-v1-1-ed95d52964a4@quicinc.com> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250407-imp_str_perf-v1-1-ed95d52964a4@quicinc.com> Hi Zijun, kernel test robot noticed the following build errors: [auto build test ERROR on 0af2f6be1b4281385b618cb86ad946eded089ac8] url: https://github.com/intel-lab-lkp/linux/commits/Zijun-Hu/lib-string-Improve-strstarts-performance/20250407-212519 base: 0af2f6be1b4281385b618cb86ad946eded089ac8 patch link: https://lore.kernel.org/r/20250407-imp_str_perf-v1-1-ed95d52964a4%40quicinc.com patch subject: [PATCH 1/2] lib/string: Improve strstarts() performance config: riscv-randconfig-002-20250408 (https://download.01.org/0day-ci/archive/20250408/202504082037.VtV65Bnb-lkp@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 92c93f5286b9ff33f27ff694d2dc33da1c07afdd) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250408/202504082037.VtV65Bnb-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/202504082037.VtV65Bnb-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined hidden symbol: __efistub_strstarts >>> referenced by gop.c:119 (drivers/firmware/efi/libstub/gop.c:119) >>> gop.stub.o:(__efistub_efi_parse_option_graphics) in archive ./drivers/firmware/efi/libstub/lib.a >>> referenced by gop.c:42 (drivers/firmware/efi/libstub/gop.c:42) >>> gop.stub.o:(__efistub_efi_parse_option_graphics) in archive ./drivers/firmware/efi/libstub/lib.a >>> referenced by gop.c:42 (drivers/firmware/efi/libstub/gop.c:42) >>> gop.stub.o:(__efistub_efi_parse_option_graphics) in archive ./drivers/firmware/efi/libstub/lib.a >>> referenced 3 more times -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki