From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 141E0319615 for ; Mon, 17 Nov 2025 07:41:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763365290; cv=none; b=YOVetmypQxj7rxV3hDE6HKJZX60HfXGeYHXlpnjmiCTrITDWq/IACBwSuOmNWfkKFdSYfTThHNgXpU1Bi+vl8BGgWt5KgU6o+bDqchzs3JdVqNRPsZA9rxC2u0uhTjsrdIJ+VvfVO7che2M3FRYyusb0LkqG71YXv96j1q9/7rg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763365290; c=relaxed/simple; bh=O3mPhR6Pb8Ulpj5g4IbCUTKjd7qN61Qsies0eab7b4U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TjJazMy26f3X+yb5N3DCc7gSaB2jaZx2or8I8EZnSLc/y+nMjcesO17Yw58aAAH5SlQWISYKIJMBbhc7m3kYEnVg5wmyvLgSCCn8L+XpD2a1rkXqYUFFWWKQod5zZSlq2Ss0gx/plyxhvstX7OIGpwVp4Kf1ByrnKXSTfPyX3uY= 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=V7wYuNvd; arc=none smtp.client-ip=198.175.65.21 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="V7wYuNvd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763365289; x=1794901289; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=O3mPhR6Pb8Ulpj5g4IbCUTKjd7qN61Qsies0eab7b4U=; b=V7wYuNvdYEZ+hnWECDa+d5ODU0brkch/naxlHUJkK9Yo8CE1OzUpoWN9 ZDWJvqtTZkKz7x56kPRdgJFqhn0wKeJDbNHwDbiCzP4xzyGQ4b8dr3dMD 7GxHT0L9dz8DN3tm8wJonesYj/8R3WvQzui2fi6mru0msP3RWHqE0ghwD TbUNW0Gyr8NIWvlkfZANsSCXJly7oSEp3VKWhKX9KqbaOsQbYzlv4uGp+ Mt3wse/reGaHt8Qp37coPS9yDAsDSEGfAbboy1mCUUZHOwrm9c3BEfhnU BiDVFktVayQss8ZDMOhhvePeAiYfaM0nN7KlcyDXM6qswPV2NYYi5psVi A==; X-CSE-ConnectionGUID: cKVrOn8XRuqzK3RqHH74gg== X-CSE-MsgGUID: z5lXQR7VT16ITfXpQsk4YA== X-IronPort-AV: E=McAfee;i="6800,10657,11615"; a="65293001" X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="65293001" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2025 23:41:28 -0800 X-CSE-ConnectionGUID: fk78zAJJQMy2vgUUrBgHsw== X-CSE-MsgGUID: Od8f1MqDSza4QAFb9KFFWA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="190178865" Received: from lkp-server01.sh.intel.com (HELO adf6d29aa8d9) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 16 Nov 2025 23:41:26 -0800 Received: from kbuild by adf6d29aa8d9 with local (Exim 4.96) (envelope-from ) id 1vKtrX-0000H5-22; Mon, 17 Nov 2025 07:41:23 +0000 Date: Mon, 17 Nov 2025 15:40:39 +0800 From: kernel test robot To: cx19970 , mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org Cc: oe-kbuild-all@lists.linux.dev, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, linux-kernel@vger.kernel.org, cx19970 Subject: Re: [PATCH] BUG: sysrq: Reset the watchdog during the polling of sysrq-t processing tasks Message-ID: <202511171515.bQfhqZLh-lkp@intel.com> References: 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: Hi cx19970, kernel test robot noticed the following build errors: [auto build test ERROR on tip/sched/core] [also build test ERROR on linus/master v6.18-rc6 next-20251114] [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/cx19970/BUG-sysrq-Reset-the-watchdog-during-the-polling-of-sysrq-t-processing-tasks/20251117-130012 base: tip/sched/core patch link: https://lore.kernel.org/r/tencent_B7DDA306E3B6A8CDF3195E4C083C9BD37E07%40qq.com patch subject: [PATCH] BUG: sysrq: Reset the watchdog during the polling of sysrq-t processing tasks config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20251117/202511171515.bQfhqZLh-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251117/202511171515.bQfhqZLh-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/202511171515.bQfhqZLh-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/fair.c: In function 'print_cfs_stats': >> kernel/sched/fair.c:13940:17: error: implicit declaration of function 'touch_nmi_watchdog' [-Wimplicit-function-declaration] 13940 | touch_nmi_watchdog(); | ^~~~~~~~~~~~~~~~~~ >> kernel/sched/fair.c:13941:17: error: implicit declaration of function 'touch_all_softlockup_watchdogs' [-Wimplicit-function-declaration] 13941 | touch_all_softlockup_watchdogs(); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from kernel/sched/build_policy.c:52: kernel/sched/rt.c: In function 'print_rt_stats': >> kernel/sched/rt.c:2941:17: error: implicit declaration of function 'touch_nmi_watchdog' [-Wimplicit-function-declaration] 2941 | touch_nmi_watchdog(); | ^~~~~~~~~~~~~~~~~~ >> kernel/sched/rt.c:2942:17: error: implicit declaration of function 'touch_all_softlockup_watchdogs' [-Wimplicit-function-declaration] 2942 | touch_all_softlockup_watchdogs(); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/touch_nmi_watchdog +13940 kernel/sched/fair.c 13933 13934 void print_cfs_stats(struct seq_file *m, int cpu) 13935 { 13936 struct cfs_rq *cfs_rq, *pos; 13937 13938 rcu_read_lock(); 13939 for_each_leaf_cfs_rq_safe(cpu_rq(cpu), cfs_rq, pos) { 13940 touch_nmi_watchdog(); 13941 touch_all_softlockup_watchdogs(); 13942 print_cfs_rq(m, cpu, cfs_rq); 13943 } 13944 rcu_read_unlock(); 13945 } 13946 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki