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=-2.5 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEXHASH_WORD,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gnuweeb.org (Postfix) with ESMTPS id BADDB8312D for ; Sat, 25 Feb 2023 07:26:25 +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=LrLH6lt5; 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=1677309985; x=1708845985; h=date:from:to:cc:subject:message-id:mime-version; bh=BRjTA9V6iuE2Exwt9BG55QU65YfQyo7MMt/3FzLiHhQ=; b=LrLH6lt5NomJmfJrH/tww5XQ2RkqgRoJJ2UzXpgB7iO3aIJE/Ez5M3En 5qScT5cNtaL5z9p5H0qw5yNvfQZNvKjCSr0uLILGcJ3GUhZVzxQgbIRgO qPTaxDBcrD7IJdaOPF6+Fl4tXaiTEmla0JMWVwlJ6LJ9Om/CbC2a+z9u5 k+O7SlxtT2StYIFPd1O1iazaTWz4uQaW9+fhkALX/GfjKZsOSu0eU+Xyz mLWrV1X0yEp7FfvvckYJqZWi90XXSIwmzoj6fYAkD7d6oHvsiBLyKYNB9 /5VLZKJDhIZL/ZIwQZuu5bJ+T9O1sHhmqXzBnnZo2DX/J8/ZcUP4Bexw4 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10631"; a="332330511" X-IronPort-AV: E=Sophos;i="5.97,327,1669104000"; d="scan'208";a="332330511" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2023 23:26:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10631"; a="796980998" X-IronPort-AV: E=Sophos;i="5.97,327,1669104000"; d="scan'208";a="796980998" Received: from lkp-server01.sh.intel.com (HELO 3895f5c55ead) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 24 Feb 2023 23:26:22 -0800 Received: from kbuild by 3895f5c55ead with local (Exim 4.96) (envelope-from ) id 1pVown-00031X-1N; Sat, 25 Feb 2023 07:26:21 +0000 Date: Sat, 25 Feb 2023 15:25:55 +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/dev.2023.02.22a 85/86] arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return Message-ID: <202302251550.OSl3zbgK-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/dev.2023.02.22a head: edc9d419ee8c22821ffd664466a5cf19208c3f02 commit: a680938f32b0e2006c3d88bce7eba21636f957e8 [85/86] objtool: Fix for unreachable instruction warning config: powerpc-buildonly-randconfig-r004-20230222 (https://download.01.org/0day-ci/archive/20230225/202302251550.OSl3zbgK-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f) 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/a680938f32b0e2006c3d88bce7eba21636f957e8 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev.2023.02.22a git checkout a680938f32b0e2006c3d88bce7eba21636f957e8 # 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/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302251550.OSl3zbgK-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