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X-CSE-ConnectionGUID: bLKVsvTzTZG7mLgki6vEtg== X-CSE-MsgGUID: yotIOlwkSGKTgT3wWH82wg== X-IronPort-AV: E=McAfee;i="6700,10204,11397"; a="45435774" X-IronPort-AV: E=Sophos;i="6.15,198,1739865600"; d="scan'208";a="45435774" 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> 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> X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 78FB71C0011 X-Stat-Signature: rj7f97rjkm4irzdw5ewhfwtm77h1wn8d X-HE-Tag: 1744118034-142058 X-HE-Meta: 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 RiGX59Pm reCtkGYacxLplZy7tcO6a5sy5dZ5E1FasfbWoXQMIg6dp+HTabQfew0bugo09ER4g+3+v/5kDLB5mvfIEBWbD4KhTV35F3Xr/qPWJ8jF1V/bYA9413yW4aALD1Y10mWGnvVoOx7zALyfNDOEi2T57SIutFC7SwLP/yjbJfq0a4tFbE96R1ZpLV2CVaTQI26eP5HFxwPH+1s4sZIWs/bAOsECZIweXg1I75BYhVmF3QLKlVAqAWEVnWn/kr7YyoY5LLWAWrf1pN235VLboLpXzYfJqBy/eIPkdaTJyFKeyfAQWiZFSsw3JF6yMF3XGMRhq7twrgfdqTgMB9NhtSErN98L47jkiKW1NI02lErrB10bijByCzZ1mptrptyoHEwG6LUhgsgGt9ZY1HnE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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