From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 B1CFA1A2C25; Mon, 10 Nov 2025 05:17:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762751843; cv=none; b=if4Sx1Ga0h2oc1T/10tLPc/l8R2H7MHUOv+ipB0PB4qTZmxlWTUbj3JIhRYIAOOSE9Uk/iEPETTR21tHmRr2TGOCaaW17f0ARuvjlc313LvjAi+XMPi8v9JqBMGJjpcny4PDR8rRTA16vToTj46nAGnEDqrpt1Fp88gFYlNGEE4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762751843; c=relaxed/simple; bh=arMEVgo3EncNgwNhXraToER5I5/99hzkDqa6X/+wgao=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AWClIbwEgnX7sBeKieEJVXCSAYU1gL/MslJvvTdrAo0aLUr6QiQ9BVndaKgXHVdP2mZDsj/0YSJ4wD1pOhCGlblhe96co7t/RYVXp8KNekzCBYO5AHm4qQtxAxnpLaqumAIivCbM54L3/iEaV90HKnuszfqEGxFU9eZThtp7sfE= 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=ljIXziJw; arc=none smtp.client-ip=198.175.65.20 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="ljIXziJw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762751842; x=1794287842; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=arMEVgo3EncNgwNhXraToER5I5/99hzkDqa6X/+wgao=; b=ljIXziJwU8o4XYbn7hYrisuNafSD4OCxHebScw791JR3wHo1DH1sC34p ZOpZDcwwsef0Q+nlc+OhQxxUP6eV3cJiyKqF/bColnquuK/ulehuDE47L 3TtsH6j53ng6CJBDtOaRkYWUP/XrxPNIoi2FqmcCCgEDAlPv9I6MBBDqr 8PLUCMUav+DqtR6Ru0OVrhkbZo80YPz/XQ9jwZFVwOH1J01wwM+viFtEi RdnND56Y2/eBeAV0LOjwo3z510deyYV3TXQZI/5icP/Bcz9o/mWTcILCy /bL2KoUYsp5x+TywY8LU/5/0Eij0Wx4QL5sWkmoPqRECQCbV6ArjCC7/B A==; X-CSE-ConnectionGUID: 9ceLQA61QIWvK1zBKcU6ww== X-CSE-MsgGUID: EAB68TD4Q6WaM6zaVLouTw== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="64498884" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="64498884" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Nov 2025 21:17:21 -0800 X-CSE-ConnectionGUID: qMO86JjpQ5ytB6igoohgxg== X-CSE-MsgGUID: j4kEaJboTVOCVcb0E/J8dw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="211983862" Received: from lkp-server01.sh.intel.com (HELO 6ef82f2de774) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 09 Nov 2025 21:17:18 -0800 Received: from kbuild by 6ef82f2de774 with local (Exim 4.96) (envelope-from ) id 1vIKHE-0002gJ-0j; Mon, 10 Nov 2025 05:17:16 +0000 Date: Mon, 10 Nov 2025 13:16:38 +0800 From: kernel test robot To: Wanpeng Li , Peter Zijlstra , Ingo Molnar , Thomas Gleixner , Paolo Bonzini , Sean Christopherson Cc: oe-kbuild-all@lists.linux.dev, Steven Rostedt , Vincent Guittot , Juri Lelli , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Wanpeng Li Subject: Re: [PATCH 05/10] sched/fair: Wire up yield deboost in yield_to_task_fair() Message-ID: <202511101310.HuFb12n3-lkp@intel.com> References: <20251110033232.12538-6-kernellwp@gmail.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: <20251110033232.12538-6-kernellwp@gmail.com> Hi Wanpeng, kernel test robot noticed the following build errors: [auto build test ERROR on kvm/queue] [also build test ERROR on kvm/next tip/sched/core tip/master linus/master v6.18-rc5 next-20251107] [cannot apply to kvm/linux-next 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/Wanpeng-Li/sched-Add-vCPU-debooster-infrastructure/20251110-114219 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/20251110033232.12538-6-kernellwp%40gmail.com patch subject: [PATCH 05/10] sched/fair: Wire up yield deboost in yield_to_task_fair() config: xtensa-allnoconfig (https://download.01.org/0day-ci/archive/20251110/202511101310.HuFb12n3-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251110/202511101310.HuFb12n3-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/202511101310.HuFb12n3-lkp@intel.com/ All errors (new ones prefixed by >>): xtensa-linux-ld: kernel/sched/fair.o: in function `detach_entity_load_avg.constprop.0': fair.c:(.text+0xc84): undefined reference to `__udivdi3' >> xtensa-linux-ld: fair.c:(.text+0xd06): undefined reference to `__udivdi3' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki