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 2E81022E004 for ; Mon, 17 Nov 2025 08:02:31 +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=1763366552; cv=none; b=kbVT1VdJ16XcRvx4K6sIoFrpCKaSfqNBgwn3dBKn1ENtqC2MZtw1sosjyp532haeHSsPpySMDcjXl2c8bmLrtCVVUC0UblLkysAX1sMRNuWAHSF6gQhrKHMTuUCD41BKqZLovNVe3HmxbCFfIocJgsOsu4yCCvKZLkFp+CrlSFE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763366552; c=relaxed/simple; bh=gPuHKDtp3UF3TCByRPW4KcUQhNnntHDca6imhl7OHAM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bV7PQXLtZWAEApR5RQ2V6Vuh4dOzGyKCAOdkms135zIJyXoIkWhA5V2G5xpccMePqFvsiKWX0cWdcbeJ01seuWEz9bVUNgDKXK7LxkDYXXVW05axZtFNG3BtwNZe4/pDBGo+Lqcqf8vAfxwNVQwW+oAeBhZQObF/WV9taaFK9tU= 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=PsY8QV7Y; 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="PsY8QV7Y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763366551; x=1794902551; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=gPuHKDtp3UF3TCByRPW4KcUQhNnntHDca6imhl7OHAM=; b=PsY8QV7YWO1zqjsaY1M+UemEsA1edXNcNAuv2fy7BUK3v/5ePm7RGdx7 WE6MgyVB2mpMJpeNvCD8BRUK+LUYCvtEvaaXyBxtNMicwEExYsyVsOr/E eKlPGI5VVyCvYFn9UxZn8ntS5F1zzaaz3Hexvvrwqxcy72NiRvpKa8Y3/ Fh8LrnRNc5snpcNyJJqIl5TC/psHkh23ibwibJDxwQVpE5KDWfy3SV/7t RjTFqNtYa6rugtAVd7xvzNoTh8FNe8DM+7UdINjvUKzJ2QV+rIyF0Qlm/ nS6nOQ29c3i8GPZnr+Zzg+Qx090OsTSreTvGnevEvEAmdFk8iCkT2/LYq w==; X-CSE-ConnectionGUID: 1r638GEFQKKjlL6jo9b5jg== X-CSE-MsgGUID: QMxM7yv4QPeZH6zS8H6AkA== X-IronPort-AV: E=McAfee;i="6800,10657,11615"; a="65294431" X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="65294431" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 00:02:31 -0800 X-CSE-ConnectionGUID: hfQa5AALRjSxCDd4OjtpKw== X-CSE-MsgGUID: 3EWV0LRhRsKGFodZT9AyCQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="191170587" Received: from lkp-server01.sh.intel.com (HELO adf6d29aa8d9) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 17 Nov 2025 00:02:27 -0800 Received: from kbuild by adf6d29aa8d9 with local (Exim 4.96) (envelope-from ) id 1vKuBt-0000I3-1N; Mon, 17 Nov 2025 08:02:25 +0000 Date: Mon, 17 Nov 2025 16:02:24 +0800 From: kernel test robot To: cx19970 , mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org Cc: llvm@lists.linux.dev, 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: <202511171548.yY6PHme5-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: arm-allnoconfig (https://download.01.org/0day-ci/archive/20251117/202511171548.yY6PHme5-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251117/202511171548.yY6PHme5-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/202511171548.yY6PHme5-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/sched/fair.c:13940:3: error: call to undeclared function 'touch_nmi_watchdog'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 13940 | touch_nmi_watchdog(); | ^ >> kernel/sched/fair.c:13941:3: error: call to undeclared function 'touch_all_softlockup_watchdogs'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 13941 | touch_all_softlockup_watchdogs(); | ^ 2 errors generated. -- In file included from kernel/sched/build_policy.c:52: >> kernel/sched/rt.c:2941:3: error: call to undeclared function 'touch_nmi_watchdog'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2941 | touch_nmi_watchdog(); | ^ >> kernel/sched/rt.c:2942:3: error: call to undeclared function 'touch_all_softlockup_watchdogs'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2942 | touch_all_softlockup_watchdogs(); | ^ 2 errors generated. 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