From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 659FD15C0 for ; Tue, 22 Jul 2025 00:07:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753142861; cv=none; b=i3Va2+a7L6MqLFTVhvgOVLMz5K9tQzaEVGgN7AvVYycNYU8KpBe851X4/x/qFRh9nk8pwALzP4ZultL6abbhP5C+pUY4Wq6NrPmtAQm/eCJIgnAdk3d0q7AtNAnjLmHeybgHQGtwywEJ3BgdzsbiNOdrD6fT8hdzsN8cTikqBcA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753142861; c=relaxed/simple; bh=6Wgm20X6bLSHSSJRuj/iLzXcql7q1mqAyxGSA2B3GSI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=BI4VBsjdaCgp70KHyLly9a15yoE85Z+DUlAWIE2i6emRvQPhtIoDwtpVaYB3dQ4p0FRM/1RdHjVUI+mpLKhMDisDQ958GhJcgHTJN7/APpwiVFafEZ3tGXtnzRegwrewX+QIcBfdbyoVxRgIw8gQr1o1WORhOHPQ/QK/4SAvVdc= 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=EZ1r3Zlo; arc=none smtp.client-ip=192.198.163.10 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="EZ1r3Zlo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753142860; x=1784678860; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6Wgm20X6bLSHSSJRuj/iLzXcql7q1mqAyxGSA2B3GSI=; b=EZ1r3ZloLzNgKe189OqSzAunQqBOUGSsmIt0oqAKSPtHAEiLAXJ/7US/ X1j4zsPgZKYY5ToaRt9uqVe5J+1ODjOZ2vuR7lEAcjDpOP84mVOH5QoaU 58ZbRurcGv6VKkqdRka9GtaMqRjnDbvcJr3YchQfLD8dqfhbmrI7m+/dA Wtziyi/naGIAjRaWqcXXpGBB9sta4ywlNH3u8QEmYyGyaRlWz8Jm5P0Wr wVACFGrj0QaRfJIh8UDIJthVVs7yHn7DWCmwfARpfmtAQd2psncUO6Tly hGILQSfrzc3QpIBXq1AoOLtXnvoLt3xHDH1fFIyMbcD/piz/4nS3zwFXZ w==; X-CSE-ConnectionGUID: Wd41FETWR2yUzyXDJqjwxQ== X-CSE-MsgGUID: zJCV+EY1S3q7L6nT168iXQ== X-IronPort-AV: E=McAfee;i="6800,10657,11499"; a="66721022" X-IronPort-AV: E=Sophos;i="6.16,330,1744095600"; d="scan'208";a="66721022" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2025 17:07:40 -0700 X-CSE-ConnectionGUID: OhHBJctLQieyKNZ2bmpKlA== X-CSE-MsgGUID: 2Tg6ofyzQGGibCJEYS6F4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,330,1744095600"; d="scan'208";a="159026288" Received: from lkp-server01.sh.intel.com (HELO 9ee84586c615) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 21 Jul 2025 17:07:37 -0700 Received: from kbuild by 9ee84586c615 with local (Exim 4.96) (envelope-from ) id 1ue0Xe-000HGj-34; Tue, 22 Jul 2025 00:07:34 +0000 Date: Tue, 22 Jul 2025 08:07:25 +0800 From: kernel test robot To: Yuri Andriaccio , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Luca Abeni , Yuri Andriaccio Subject: Re: [PATCH] sched/deadline: Remove fair-servers from real-time task's bandwidth accounting Message-ID: <202507220727.BmA1Osdg-lkp@intel.com> References: <20250721111131.309388-1-yurand2000@gmail.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250721111131.309388-1-yurand2000@gmail.com> Hi Yuri, kernel test robot noticed the following build errors: [auto build test ERROR on tip/sched/core] [also build test ERROR on tip/master peterz-queue/sched/core next-20250721] [cannot apply to tip/auto-latest linus/master v6.16-rc7] [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/Yuri-Andriaccio/sched-deadline-Remove-fair-servers-from-real-time-task-s-bandwidth-accounting/20250721-191333 base: tip/sched/core patch link: https://lore.kernel.org/r/20250721111131.309388-1-yurand2000%40gmail.com patch subject: [PATCH] sched/deadline: Remove fair-servers from real-time task's bandwidth accounting config: i386-buildonly-randconfig-001-20250722 (https://download.01.org/0day-ci/archive/20250722/202507220727.BmA1Osdg-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250722/202507220727.BmA1Osdg-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/202507220727.BmA1Osdg-lkp@intel.com/ All errors (new ones prefixed by >>): ld: kernel/sched/build_policy.o: in function `dl_server_apply_params': >> kernel/sched/deadline.c:1693: undefined reference to `__udivdi3' vim +1693 kernel/sched/deadline.c 1677 1678 int dl_server_apply_params(struct sched_dl_entity *dl_se, u64 runtime, u64 period, bool init) 1679 { 1680 u64 max_bw, new_bw = to_ratio(period, runtime); 1681 struct rq *rq = dl_se->rq; 1682 int cpu = cpu_of(rq); 1683 struct dl_bw *dl_b; 1684 unsigned long cap; 1685 int retval = 0; 1686 int cpus; 1687 1688 dl_b = dl_bw_of(cpu); 1689 guard(raw_spinlock)(&dl_b->lock); 1690 1691 cpus = dl_bw_cpus(cpu); 1692 cap = dl_bw_capacity(cpu); > 1693 max_bw = cap_scale(BW_UNIT - dl_b->bw, cap) / cpus; 1694 1695 if (new_bw > max_bw) 1696 return -EBUSY; 1697 1698 if (init) { 1699 __add_rq_bw(new_bw, &rq->dl); 1700 } else { 1701 dl_rq_change_utilization(rq, dl_se, new_bw); 1702 } 1703 1704 dl_se->dl_runtime = runtime; 1705 dl_se->dl_deadline = period; 1706 dl_se->dl_period = period; 1707 1708 dl_se->runtime = 0; 1709 dl_se->deadline = 0; 1710 1711 dl_se->dl_bw = to_ratio(dl_se->dl_period, dl_se->dl_runtime); 1712 dl_se->dl_density = to_ratio(dl_se->dl_deadline, dl_se->dl_runtime); 1713 1714 return retval; 1715 } 1716 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki