From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) (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 7392C10799 for ; Fri, 26 Jan 2024 05:26:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.55.52.93 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706246799; cv=none; b=V7wj8QaW10EpIgXz7LAM7tYZn9MFiOrX9RwiwyqLcMRHPR7sQ37z/x635GBaZp0RTLzdJbWO8j5jiA9yZFrDPkYIJiEf2uMDc4DE9ezo4eXW9IQuhcrmEjNBsy6EktIrsdaRA9IUkTu/wmNLbRp2b219TXHcSe2Y/65qTZYDpEA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706246799; c=relaxed/simple; bh=T6pFkLTZJz7H/RFcbVN8xkONdim8Rlw6Nh+ztR2exnM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=W5xsUuSYMv0nM3ETYcTtBItnbAZR/eK+AIIf+xkhdNx9cE+HIyIAIoItMoXTsKZAhnFs0v1O8508nlmHc9kb5Z9hmW+btIZqIErywtB0mtta859LRj05QmdP5gTipLCJiH3HPPS5ghTAU7L85wsH7+U4oVhxXsKhCxfmkR1MOPM= 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=FrimRavc; arc=none smtp.client-ip=192.55.52.93 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="FrimRavc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706246797; x=1737782797; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=T6pFkLTZJz7H/RFcbVN8xkONdim8Rlw6Nh+ztR2exnM=; b=FrimRavcwOsZQuczpWwjQhxtS3QDyumPZEZcB7KwX6J8sfWhq3EceCNv Ya3kq2/Vff33VFxtUUHDeqHMNfX283InaslGeQ5FVSb8atuH55EoMsy88 oZXapgQORJi/dmx0fE2gGZtZohwOveVgNUgZnjp4d1+2wtsFpQvQTHHgw 1ErK/h79GHF6EqpQheRpb7ovvqlSYC5jtiHnI0HyPU1eIVYsMNn6RumNS yxytMo55b1LYYw8xuEi05M9Wwlm1sbf5Zjo8u/FGxoPngEe/9M5/Tz5vu 1PRh1A3725MUqdWik57HoSnFOECZ5myfriBc+b2RnxkHWT3N50FvOh26+ Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10964"; a="399556922" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="399556922" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2024 21:26:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10964"; a="960113140" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="960113140" Received: from lkp-server01.sh.intel.com (HELO 370188f8dc87) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 25 Jan 2024 21:26:33 -0800 Received: from kbuild by 370188f8dc87 with local (Exim 4.96) (envelope-from ) id 1rTEjX-0000is-0T; Fri, 26 Jan 2024 05:26:31 +0000 Date: Fri, 26 Jan 2024 13:25:42 +0800 From: kernel test robot To: Bitao Hu , dianders@chromium.org, akpm@linux-foundation.org, pmladek@suse.com, tglx@linutronix.de, maz@kernel.org, liusong@linux.alibaba.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Bitao Hu Subject: Re: [PATCH 3/3] watchdog/softlockup: add parameter to control the reporting of time-consuming hardirq Message-ID: <202401261359.eaU4UnjQ-lkp@intel.com> References: <20240123121223.22318-4-yaoma@linux.alibaba.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: <20240123121223.22318-4-yaoma@linux.alibaba.com> Hi Bitao, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/irq/core] [also build test WARNING on akpm-mm/mm-everything linus/master v6.8-rc1 next-20240125] [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/Bitao-Hu/watchdog-softlockup-low-overhead-detection-of-interrupt-storm/20240123-201509 base: tip/irq/core patch link: https://lore.kernel.org/r/20240123121223.22318-4-yaoma%40linux.alibaba.com patch subject: [PATCH 3/3] watchdog/softlockup: add parameter to control the reporting of time-consuming hardirq config: i386-buildonly-randconfig-003-20240126 (https://download.01.org/0day-ci/archive/20240126/202401261359.eaU4UnjQ-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/20240126/202401261359.eaU4UnjQ-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/202401261359.eaU4UnjQ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/watchdog.c:1088:5: warning: no previous prototype for function 'proc_softlockup_irqtrace' [-Wmissing-prototypes] 1088 | int proc_softlockup_irqtrace(struct ctl_table *table, int write, | ^ kernel/watchdog.c:1088:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1088 | int proc_softlockup_irqtrace(struct ctl_table *table, int write, | ^ | static 1 warning generated. vim +/proc_softlockup_irqtrace +1088 kernel/watchdog.c 1084 1085 /* 1086 * /proc/sys/kernel/softlockup_irqtrace 1087 */ > 1088 int proc_softlockup_irqtrace(struct ctl_table *table, int write, 1089 void *buffer, size_t *lenp, loff_t *ppos) 1090 { 1091 int err, old; 1092 1093 mutex_lock(&watchdog_mutex); 1094 1095 old = READ_ONCE(softlockup_irqtrace); 1096 err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); 1097 1098 if (!err && write && old != READ_ONCE(softlockup_irqtrace)) 1099 proc_watchdog_update(); 1100 1101 mutex_unlock(&watchdog_mutex); 1102 return err; 1103 } 1104 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki