From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (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 C5E2F190 for ; Thu, 12 May 2022 01:30:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652319001; x=1683855001; h=date:from:to:cc:subject:message-id:mime-version; bh=yBicI1ozOS+8JBXjAVPpem5ndTeksvMr59sNnu5jwNs=; b=NUZ6hrtt0qpkhng0jsFbJVCYrq95O5IN/pBVNCNWitVSpyCSCzNJ5wTr dacU10N90E+F6fe7AYrIOu2dQqRZTMguNDcfXwL1pQwKVRDl6Y316RmsH mteKXkBOQdb25hE0MJl3CtRYwigistWFQ0HhajtpL3BqV3i7qnyyK3i6F JJJii723JsYRO3Hwc6XSf8ux9Pr1DfioZE9iUxEMWIsWaBj3G8+C8Q0Ir fRAbMNbPNyejJsRvlhJXXE0Umje1lte9xoMdqGhSlqpun4axEooLwSekZ lOSJTnIkgwXPLpIdOlChg/HEryIz1XW0CiuvPT1Zp7dsxMXytkIhPRJp6 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10344"; a="249752651" X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="249752651" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2022 18:30:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="658397468" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 11 May 2022 18:29:58 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1noxeQ-000Jmn-3Z; Thu, 12 May 2022 01:29:58 +0000 Date: Thu, 12 May 2022 09:29:27 +0800 From: kernel test robot To: Peter Zijlstra Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Andy Shevchenko , Hans de Goede , linux-kernel@vger.kernel.org, Tony Luck , Thomas Gleixner Subject: [pdx86-platform-drivers-x86:review-hans 46/59] kernel/stop_machine.c:638:35: error: call to undeclared function 'cpu_smt_mask'; ISO C99 and later do not support implicit function declarations Message-ID: <202205120904.Gr9HEY5E-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=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git review-hans head: 57709a27d9744f5af4bbeec3ba3105c6aa1075eb commit: 104355bf96bb985c40f8f8da43f70b935d59fb61 [46/59] stop_machine: Add stop_core_cpuslocked() for per-core operations config: hexagon-randconfig-r045-20220509 (https://download.01.org/0day-ci/archive/20220512/202205120904.Gr9HEY5E-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 18dd123c56754edf62c7042dcf23185c3727610f) 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/pdx86/platform-drivers-x86.git/commit/?id=104355bf96bb985c40f8f8da43f70b935d59fb61 git remote add pdx86-platform-drivers-x86 https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git git fetch --no-tags pdx86-platform-drivers-x86 review-hans git checkout 104355bf96bb985c40f8f8da43f70b935d59fb61 # 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=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): >> kernel/stop_machine.c:638:35: error: call to undeclared function 'cpu_smt_mask'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] const struct cpumask *smt_mask = cpu_smt_mask(cpu); ^ kernel/stop_machine.c:638:35: note: did you mean 'cpu_cpu_mask'? include/linux/topology.h:250:37: note: 'cpu_cpu_mask' declared here static inline const struct cpumask *cpu_cpu_mask(int cpu) ^ >> kernel/stop_machine.c:638:24: warning: incompatible integer to pointer conversion initializing 'const struct cpumask *' with an expression of type 'int' [-Wint-conversion] const struct cpumask *smt_mask = cpu_smt_mask(cpu); ^ ~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/cpu_smt_mask +638 kernel/stop_machine.c 635 636 int stop_core_cpuslocked(unsigned int cpu, cpu_stop_fn_t fn, void *data) 637 { > 638 const struct cpumask *smt_mask = cpu_smt_mask(cpu); 639 640 struct multi_stop_data msdata = { 641 .fn = fn, 642 .data = data, 643 .num_threads = cpumask_weight(smt_mask), 644 .active_cpus = smt_mask, 645 }; 646 647 lockdep_assert_cpus_held(); 648 649 /* Set the initial state and stop all online cpus. */ 650 set_state(&msdata, MULTI_STOP_PREPARE); 651 return stop_cpus(smt_mask, multi_cpu_stop, &msdata); 652 } 653 EXPORT_SYMBOL_GPL(stop_core_cpuslocked); 654 -- 0-DAY CI Kernel Test Service https://01.org/lkp