From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on gnuweeb.org X-Spam-Level: X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEXHASH_WORD,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gnuweeb.org (Postfix) with ESMTPS id E930783057 for ; Thu, 9 Feb 2023 21:50:12 +0000 (UTC) Authentication-Results: gnuweeb.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=HpWgx1Mc; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1675979413; x=1707515413; h=date:from:to:cc:subject:message-id:mime-version; bh=xw6P4dhbw/eg0R01zuxXSVHd4C/wEUkKoWJ/gJY9Xf8=; b=HpWgx1Mcvas9Jfp07W3elyIT5z20XwUjavfy2ItaCRpGVSQSWbid1Tdp b/EvAeRSt7aYZncKSmu2CXBTAJ/jWmrNKcZNxd3Noq4hxAU11b8Xo5B6N 4ygN3k2XxLHZ/qXm6bjppeuZscQPERSBOI5yo6OultM2W6ycIWEbRpp9e I1Xfkn8hvWaF+OvO2OI9c7rcGc+a502XaUU3QBB5urK9P4jKGTnqNUyRO Ql1ucWoUrcgKZYJLXkMIfP6syiNsG6QJxmcYwkGmmNgxG7LGLf6dJL9Sc oGALg06b6j8fjxJW04EYsosB3nPK2q1naAHOeLOftfLEN3ykX8pLHUnwg A==; X-IronPort-AV: E=McAfee;i="6500,9779,10616"; a="313900823" X-IronPort-AV: E=Sophos;i="5.97,284,1669104000"; d="scan'208";a="313900823" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2023 13:50:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10616"; a="617683182" X-IronPort-AV: E=Sophos;i="5.97,284,1669104000"; d="scan'208";a="617683182" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 09 Feb 2023 13:50:09 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pQEnw-0005KI-2Q; Thu, 09 Feb 2023 21:50:08 +0000 Date: Fri, 10 Feb 2023 05:49:47 +0800 From: kernel test robot To: Josh Poimboeuf Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Ammar Faizi , GNU/Weeb Mailing List , "Paul E. McKenney" Subject: [ammarfaizi2-block:paulmck/linux-rcu/usama.2023.02.09a 84/93] arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return Message-ID: <202302100556.sUYjKgbk-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: tree: https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/usama.2023.02.09a head: d0fd6cf85f2b25e89444a52b75edbf3e96f99cdb commit: d3a257df7de269122dd9c179cbb9be39fb83920e [84/93] objtool: Fix for unreachable instruction warning config: powerpc-buildonly-randconfig-r003-20230209 (https://download.01.org/0day-ci/archive/20230210/202302100556.sUYjKgbk-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db0e6591612b53910a1b366863348bdb9d7d2fb1) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/ammarfaizi2/linux-block/commit/d3a257df7de269122dd9c179cbb9be39fb83920e git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/usama.2023.02.09a git checkout d3a257df7de269122dd9c179cbb9be39fb83920e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302100556.sUYjKgbk-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return [-Werror,-Winvalid-noreturn] } ^ 1 error generated. vim +/noreturn +1768 arch/powerpc/kernel/smp.c d0174c721900ff Nathan Fontenot 2010-01-14 1754 1ea21ba231f248 Michael Ellerman 2020-08-19 1755 void arch_cpu_idle_dead(void) 1ea21ba231f248 Michael Ellerman 2020-08-19 1756 { 424ef0160f439f Naveen N. Rao 2018-04-19 1757 /* 424ef0160f439f Naveen N. Rao 2018-04-19 1758 * Disable on the down path. This will be re-enabled by 424ef0160f439f Naveen N. Rao 2018-04-19 1759 * start_secondary() via start_secondary_resume() below 424ef0160f439f Naveen N. Rao 2018-04-19 1760 */ 424ef0160f439f Naveen N. Rao 2018-04-19 1761 this_cpu_disable_ftrace(); 424ef0160f439f Naveen N. Rao 2018-04-19 1762 39f87561454dc3 Michael Ellerman 2020-08-19 1763 if (smp_ops->cpu_offline_self) 39f87561454dc3 Michael Ellerman 2020-08-19 1764 smp_ops->cpu_offline_self(); fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1765 fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1766 /* If we return, we re-enter start_secondary */ fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1767 start_secondary_resume(); abb17f9c3a92c5 Milton Miller 2010-05-19 @1768 } fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1769 :::::: The code at line 1768 was first introduced by commit :::::: abb17f9c3a92c5acf30e749efdf0419b7f50a5b8 powerpc: Use common cpu_die (fixes SMP+SUSPEND build) :::::: TO: Milton Miller :::::: CC: Benjamin Herrenschmidt -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests