From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 773CE2036E9 for ; Fri, 17 Oct 2025 02:17:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760667480; cv=none; b=Vo3v6dVl1fTUJPQRREfLXInsZ1j3i39bx8RpgH1yFyzlBstgJFGKgeyl6FWLnSmzrWc/eHw5LV5jDdi7s0jZ906MPhHgax39fDCpRLrg4gKNn7TRLyoDLMY4mZlz/ZzcXuVwdRw07j38jVlEoeayLhUlJs82cc4y1nr6OHkCICQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760667480; c=relaxed/simple; bh=8PzPXACkbtO7c8cK21V9ojH9y1teqhhQdQlEzC9/NG4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=e2XPcCleAhDoPiQLYLFEfoGI1/UkX290b+P+4U/QxI5eGY7Z2OEyDvrhnoRlxdFaGbv4HDY8LL/Lk9SMRcdpNCfZacl9v6Lad3vKzyG0OgEeX4Ni1+EoCCeq4TwujbKhYoBJMhip2/dvS7K1YbtRPQWGZyYGpnqKc6JM8QHpsEs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Za+xliLT; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Za+xliLT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760667478; x=1792203478; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8PzPXACkbtO7c8cK21V9ojH9y1teqhhQdQlEzC9/NG4=; b=Za+xliLT6EsdGYS+eLLXIRpRPV0d937GmBb3lpIiLZ5fkQupWuPBpzuW AwNiN/qh+OQZELqRG7+NDG5DYr/Fs4J7ZnWTJZzdCZArryNyNdvqE3grZ EZZmiRquV/UfPqQqs9Vu+rUouMUc9lhBrVpFSybtt+2dahG2Ux62zIWCt /cKqMKXPO0LwCPQUDkYUhYhD9o74FgOfUb0nKcjJg5NBlr9+ZEvRyFrZp NvwzPM63x/eTUDANieeCZx4Om02NBO4r7QW0+Y6n6fwBqneZdO5HjEPgt 8kIxADKFMbkNrh+pQwo/0ITkHKlyAp44u9o4FcfHGoNPPgC6rxutHOV9v A==; X-CSE-ConnectionGUID: 2PyM1x41RJywmQfM67fgHw== X-CSE-MsgGUID: piv67BWcQrWWF/mmJHMAtg== X-IronPort-AV: E=McAfee;i="6800,10657,11584"; a="63020188" X-IronPort-AV: E=Sophos;i="6.19,234,1754982000"; d="scan'208";a="63020188" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2025 19:17:56 -0700 X-CSE-ConnectionGUID: 0mtAfkURTLOoqn3irNz/mw== X-CSE-MsgGUID: S0WVeFLBSICVKSaDZr9oVg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,234,1754982000"; d="scan'208";a="182549462" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by fmviesa006.fm.intel.com with ESMTP; 16 Oct 2025 19:17:53 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1v9a2Q-0005Ry-2u; Fri, 17 Oct 2025 02:17:50 +0000 Date: Fri, 17 Oct 2025 10:17:36 +0800 From: kernel test robot To: Pingfan Liu , linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Pingfan Liu , Ingo Molnar , Peter Zijlstra , Juri Lelli , Pierre Gondois , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Subject: Re: [PATCHv2] sched/deadline: Walk up cpuset hierarchy to decide root domain when hot-unplug Message-ID: <202510170932.nTEduJGM-lkp@intel.com> References: <20251016120041.17990-1-piliu@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251016120041.17990-1-piliu@redhat.com> Hi Pingfan, kernel test robot noticed the following build errors: [auto build test ERROR on tj-cgroup/for-next] [also build test ERROR on tip/sched/core tip/master linus/master v6.18-rc1 next-20251016] [cannot apply to tip/auto-latest] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Pingfan-Liu/sched-deadline-Walk-up-cpuset-hierarchy-to-decide-root-domain-when-hot-unplug/20251016-200452 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next patch link: https://lore.kernel.org/r/20251016120041.17990-1-piliu%40redhat.com patch subject: [PATCHv2] sched/deadline: Walk up cpuset hierarchy to decide root domain when hot-unplug config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20251017/202510170932.nTEduJGM-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 754ebc6ebb9fb9fbee7aef33478c74ea74949853) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251017/202510170932.nTEduJGM-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/202510170932.nTEduJGM-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from init/main.c:53: >> include/linux/cpuset.h:282:9: error: returning 'const struct cpumask *' from a function with result type 'struct cpumask *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] 282 | return cpu_active_mask; | ^~~~~~~~~~~~~~~ include/linux/cpumask.h:125:27: note: expanded from macro 'cpu_active_mask' 125 | #define cpu_active_mask ((const struct cpumask *)&__cpu_active_mask) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +282 include/linux/cpuset.h 279 280 static inline struct cpumask *cpuset_task_rd_effective_cpus(struct task_struct *p) 281 { > 282 return cpu_active_mask; 283 } 284 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki