From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 3397F2C9E for ; Sun, 12 Dec 2021 15:31:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639323084; x=1670859084; h=date:from:cc:subject:message-id:mime-version: content-transfer-encoding; bh=TvJHTDftRtVhfm0rR2RNbVCAzhWtLkM7qr8dRrqfriM=; b=WKgFvSJfU3cjmrP4yDbGArFq2rpoxXHPXrTiYkEiyEUgE6jKx898sF+E 55hN/W78iVZfkRWthvKPXaYjBNxsyb/Uf5WqYEf83yF/ESBVNLYH+AhxW 6/F/9UmkeTa9QBIaJfSNE+S/gO1eEj0XfLzAtRo7YOPOyVMvM2NPuGi/V jozRv4MREckkW/8kHDrcCnyUxiuHXAQdYJLqi64/SRKYSmM45tpQA6lqy bq5snf+xHzBTYxEBKIVwzSt7w0k8i2F6fuv383aRHANw7x0fAr2EpuNdw KIXrSRBppyJjSOulN7CQWUrToQmZzo4gMDF7HdeUXBQ6mJz20bNev4MjI w==; X-IronPort-AV: E=McAfee;i="6200,9189,10195"; a="301994189" X-IronPort-AV: E=Sophos;i="5.88,200,1635231600"; d="scan'208";a="301994189" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2021 07:31:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,200,1635231600"; d="scan'208";a="464329313" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 12 Dec 2021 07:31:22 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mwQor-0005oP-Tb; Sun, 12 Dec 2021 15:31:21 +0000 Date: Sun, 12 Dec 2021 23:31:06 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: kernel/sched/fair.o: warning: objtool: unthrottle_cfs_rq()+0xf5f: unreachable instruction Message-ID: <202112122318.o1Hst9VM-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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.10.1 (2018-07-13) CC: linux-kernel@vger.kernel.org TO: "Michal Koutný" CC: Peter Zijlstra CC: Vincent Guittot CC: Odin Ugedal tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a763d5a5abd65797aec3dd1bf01fe2ccbec32967 commit: 2630cde26711dab0d0b56a8be1616475be646d13 sched/fair: Add ancestors of unthrottled undecayed cfs_rq date: 2 months ago config: x86_64-randconfig-a001-20211204 (https://download.01.org/0day-ci/archive/20211212/202112122318.o1Hst9VM-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2630cde26711dab0d0b56a8be1616475be646d13 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 2630cde26711dab0d0b56a8be1616475be646d13 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ block// drivers/ fs/ kernel/ net/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> kernel/sched/fair.o: warning: objtool: unthrottle_cfs_rq()+0xf5f: unreachable instruction --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org