From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.19 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792917050; b=m76dyQmQsDJVJEfUPFEzgBVB9wKpRadSYpnDE9UTS85SgD2eWizaYlHHtgERHUtxLbBQ KdN5X1Djl6nCkgpPMjHUQS0TKEEPYFAlSsaerz9qJY67C3UobKi1fg/c1SL6UXJ2btIRx VSKNJGAUpbkE0nu7ferGewZMQvcFzlM7B698GvL5Exg2JQgNxDU6GA26fTH/H47pJSReK eGBI0epVvF/E5ypCiTDKvvwjLJiCzcgPKK5W6e98Lx/khVpImCEICU19VcM21fYKgqtAT XYAhndJ8oGDyGBEy7TaOKd8eQ3r+BRZEsgL/Sq9CJjI1cMrAfrvfJX8kkBbHFrcXarA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792917050; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Received:Date:From:To: Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=vu7S66eBR+BMI5j+SHqWsJvnm0TFqBKeL+mz8dKO+oo=; b=Qm8F0vR2lGs+uO/BAbOaKpS4NqQ93Ie/hFSi7kU5lFGtxclwU1ssDCpiP7O5CsUelHaA wgiYf5z6iGXQGDaVC4iBnTCDZaW/o9UpTQA0TVoIjmmrhzeH2R23/yYcumxTi/BjYyP13 ZZdOhGlgUEyZGLmCz8LD4PZvCUzALRbcP28W36qJ9kp9yNAeeBVI2sB9J2uoWpQTBzHNf GYK3FlQQV7/Myt8Y0/ByHC+3K/t4Vz8xi5e7rEeFbWafCSepr7JGfjpbeK1/qQx88QHrF bCZnrGggNMOZd8h/aRmuaHhZhZ1vGo8O42y8UURkt0KxseUboKo7+dCqh7RaWhEgg8w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=Tv0TdIYs; arc=none smtp.remote-ip=198.175.65.19 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53E53606A320 for ; Sun, 25 Oct 2026 08:30:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 53E53606A320 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, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=Tv0TdIYs DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792917050; x=1824453050; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=vilP+SpyKHNiKB9HI03pA9/WSQ1f6m5twXV5OVV+KFE=; b=Tv0TdIYsUFVNlCdVa3ShyurdvAxvrPtVFOgQEy2bZbApJnAUAOp4JFor 4XOnFQ58Wfj7BrnCP6w1MfeWqXCQeyDfguOgANl935OmE6fNq7+aPuOJI 84yWhG84A5NlsbMBxzUpg+fvNeQE/BqBayKv5uk8cl7dLHEznse5bMLPJ ow7Ex3izCdrNACrSa0IlQTdLFn4lFEUECaY5uDjK+hUU0k3yA83eaN/jo 6tH0kIbK64FU2Ng8giJ70nbTXcxFtbMHk6B/UYCFveO40/ibMXiI3b8Zn UwSCwci4LdN9vy5BTbFH8wh94W38tsAb7lfaLCABBsjaiMbhOVLfI3H77 A==; X-CSE-ConnectionGUID: Z+j0dC0SRuem/iUXVXTDpw== X-CSE-MsgGUID: 7fFqYf4wS2C7a+BuQEEa/Q== X-IronPort-AV: E=McAfee;i="6800,10657,11945"; a="1636005" X-IronPort-AV: E=Sophos;i="6.27,177,1787036400"; d="scan'208";a="1636005" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2026 01:30:47 -0700 X-CSE-ConnectionGUID: okoY0pRNSZeT2pH5U3zXzg== X-CSE-MsgGUID: jjkiaTKeRKGWJ1Wiew2XjQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,177,1787036400"; d="scan'208";a="4361350" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 25 Oct 2026 01:30:44 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xKtcn-00000000Ug2-0SFb; Sun, 25 Oct 2026 08:30:41 +0000 Date: Sun, 25 Oct 2026 16:29:54 +0800 From: kernel test robot To: Qais Yousef , Ingo Molnar , Vincent Guittot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Christian Loehle , Dietmar Eggemann , Steven Rostedt , John Stultz , linux-kernel@vger.kernel.org, Qais Yousef , Wei Wang Subject: Re: [PATCH] sched/uclamp: Fix race condition leading to imbalanced uclamp_rq Message-ID: <202610251644.6weWofAv-lkp@intel.com> References: <20261024233945.74794-1-qyousef@layalina.io> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261024233945.74794-1-qyousef@layalina.io> Hi Qais, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on tip/master peterz-queue/sched/core linus/master v7.3 next-20261023] [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/Qais-Yousef/sched-uclamp-Fix-race-condition-leading-to-imbalanced-uclamp_rq/20261025-003945 base: tip/sched/core patch link: https://lore.kernel.org/r/20261024233945.74794-1-qyousef%40layalina.io patch subject: [PATCH] sched/uclamp: Fix race condition leading to imbalanced uclamp_rq config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20261025/202610251644.6weWofAv-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261025/202610251644.6weWofAv-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/202610251644.6weWofAv-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from kernel/sched/rq-offsets.c:5: >> kernel/sched/sched.h:3833:6: warning: no previous prototype for function 'init_uclamp_rq' [-Wmissing-prototypes] 3833 | void init_uclamp_rq(struct rq *rq) {} | ^ kernel/sched/sched.h:3833:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3833 | void init_uclamp_rq(struct rq *rq) {} | ^ | static 1 warning generated. -- In file included from kernel/sched/rq-offsets.c:5: >> kernel/sched/sched.h:3833:6: warning: no previous prototype for function 'init_uclamp_rq' [-Wmissing-prototypes] 3833 | void init_uclamp_rq(struct rq *rq) {} | ^ kernel/sched/sched.h:3833:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3833 | void init_uclamp_rq(struct rq *rq) {} | ^ | static 1 warning generated. vim +/init_uclamp_rq +3833 kernel/sched/sched.h 3832 > 3833 void init_uclamp_rq(struct rq *rq) {} 3834 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki