From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85540C433F5 for ; Sat, 8 Jan 2022 00:42:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232022AbiAHAmb (ORCPT ); Fri, 7 Jan 2022 19:42:31 -0500 Received: from mga06.intel.com ([134.134.136.31]:32647 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230115AbiAHAm3 (ORCPT ); Fri, 7 Jan 2022 19:42:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1641602549; x=1673138549; h=date:from:to:cc:subject:message-id:mime-version; bh=ZFQh7+Zx4QitKvWsY1aIw5HxwxUHS/THbLCQlNqrOZA=; b=GPedpWzBjQjQfIXe+8PLF1msy14+mZ0vff37HCZZyYXRj66Pn22ud9LN mg+2cfCOLHpP1fJJ4ZMn4GwxN8/CmCd3ABI6J9FflaK0H7tAJGJyQzlU6 rlW+B/xGNZH8Za6iB10MzJ3ka1cikUPhzxvi+F/3wh1z9eh1x8vuHGACs N3YEQILv3ypnR7OTWRnGu6P4+OZhr8dOapaS6Eaq6zKmDkQgVosyCRo6E nr0ZtlPZhmolQaBcyxbzcuzFM/doDvQi1dp3Cip1LciyHkVEczi9/HrYL xAudEhRhZeqOq/T02M7yGihSNj6J7dTYMfBw/KmSwM5OfmdIubCKDBboR g==; X-IronPort-AV: E=McAfee;i="6200,9189,10220"; a="303712161" X-IronPort-AV: E=Sophos;i="5.88,271,1635231600"; d="scan'208";a="303712161" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jan 2022 16:42:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,271,1635231600"; d="scan'208";a="622109386" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 07 Jan 2022 16:42:28 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1n5zoR-000079-RP; Sat, 08 Jan 2022 00:42:27 +0000 Date: Sat, 8 Jan 2022 08:41:32 +0800 From: kernel test robot To: "Paul E. McKenney" Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [paulmck-rcu:dev.2022.01.04a 55/55] kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' Message-ID: <202201080834.rGuSv2SS-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2022.01.04a head: 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 commit: 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 [55/55] squash! EXP timers: Non-nohz_full last-resort jiffies update on IRQ entry config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220108/202201080834.rGuSv2SS-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=64595d0dff992756e8c6d53c0e9f1e3e50c451f7 git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags paulmck-rcu dev.2022.01.04a git checkout 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash kernel/time/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): kernel/time/timer.c:254:5: warning: no previous prototype for 'timer_migration_handler' [-Wmissing-prototypes] 254 | int timer_migration_handler(struct ctl_table *table, int write, | ^~~~~~~~~~~~~~~~~~~~~~~ >> kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' [-Wmissing-prototypes] 1776 | void tick_setup_sched_timer_dump(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/tick_setup_sched_timer_dump +1776 kernel/time/timer.c 1775 > 1776 void tick_setup_sched_timer_dump(void) 1777 { 1778 int cpu; 1779 int j = jiffies; 1780 1781 pr_alert("%s state", __func__); 1782 for_each_possible_cpu(cpu) 1783 pr_cont(" j/c %x/%d %c", 1784 (int)(j - per_cpu(tick_setup_sched_timer_jiffies, cpu)) & 0xfff, 1785 per_cpu(tick_setup_sched_timer_jiffies_count, cpu), 1786 ".H"[per_cpu(tick_setup_sched_timer_help_needed, cpu)]); 1787 pr_cont("\n"); 1788 } 1789 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org