From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 9423E32721F; Thu, 27 Nov 2025 09:13:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764234826; cv=none; b=TKEG6zXcg7kn5Au8e/oC5cRO6xXprBbSlJxrhMZKiEVtNiUsHY65MkyO1R0LkfNIvDfFR4DweS/z/NaTI+EvYl+/grA4n0J5WJxFYEkdHAvN5Ga0RvR+Z6MZswn0EwPxGpi/ID0oZwqQTlCWROXo7etqqkWvoXUdaukBx93UFlM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764234826; c=relaxed/simple; bh=nMeiv3SIi8QG4moeoqdXt6Rrisu/4W7V71FP8WJhXLY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ad4byO0+dDsh89fK+BICRszco6Tzx+n48s0L0SljaF37O7r+v+Tn/6qPKkimPtKcMqQ9OEBBcTtb7qGHOtNvTcbC9Pw3VGFwplEVgVlPtG+tf7V2xvGUrB5u5SbIhT2WrD3epMkQ9B+2D8jT2K+/EY5qScvEHwfJyg6IdCmJpAk= 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=CTvLcWPZ; arc=none smtp.client-ip=192.198.163.7 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="CTvLcWPZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764234824; x=1795770824; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=nMeiv3SIi8QG4moeoqdXt6Rrisu/4W7V71FP8WJhXLY=; b=CTvLcWPZGNjvbz/wSds7XMBMwmVnXa4KPUXdZG0RD0AnghiIJMSdFLbI OvS7+7xbEHqmQP7lznOh64q7HhsldYe5P8ZsdFiKctOAgxg4FyDaG6aap XYpcPTMKT3qTvustDZcqyZRoyVLtJRES7Z5ujPNQlmwrv8484KD1ok6E9 x+CPfJOmbuZYh/g2PO1VOj2YrcedRJWU8hKhHVX20SeGs7CHOC6kpas0Y miai+lI6J8Rx/eoqZG/7DTv3VLjMk/QN4zI0a/a4/pLegqzKsqVN097FZ sxObhT4Glb1TLpzZFvTKrgbSfEWcferxslxyPsN2MlKFlRVeZimBUsxfE Q==; X-CSE-ConnectionGUID: OswDUh4qTD6S5223okmwJg== X-CSE-MsgGUID: YgvBOya3Ti6Z9doVGhN5xQ== X-IronPort-AV: E=McAfee;i="6800,10657,11625"; a="91759734" X-IronPort-AV: E=Sophos;i="6.20,230,1758610800"; d="scan'208";a="91759734" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2025 01:13:41 -0800 X-CSE-ConnectionGUID: galzY4AMRqWW3GAP7HFGLQ== X-CSE-MsgGUID: qPStb08kTMKgIAKRQFTcDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,230,1758610800"; d="scan'208";a="193206736" Received: from igk-lkp-server01.igk.intel.com (HELO 1f7de368ad0d) ([10.211.93.152]) by orviesa007.jf.intel.com with ESMTP; 27 Nov 2025 01:13:39 -0800 Received: from kbuild by 1f7de368ad0d with local (Exim 4.98.2) (envelope-from ) id 1vOY4F-000000001hN-3iCC; Thu, 27 Nov 2025 09:13:35 +0000 Date: Thu, 27 Nov 2025 10:13:23 +0100 From: kernel test robot To: Tim Bird , pmladek@suse.com, Steve Rostedt , john.ogness@linutronix.de, senozhatsky@chromium.org Cc: oe-kbuild-all@lists.linux.dev, Tim Bird , Andrew Morton , Linux Memory Management List , Francesco Valla , LKML , Linux Embedded Subject: Re: [PATCH] printk: add early_counter_ns routine for printk blind spot Message-ID: <202511271051.yfp2O98B-lkp@intel.com> References: <39b09edb-8998-4ebd-a564-7d594434a981@bird.org> Precedence: bulk X-Mailing-List: linux-embedded@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: <39b09edb-8998-4ebd-a564-7d594434a981@bird.org> Hi Tim, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.18-rc7] [cannot apply to akpm-mm/mm-everything next-20251127] [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/Tim-Bird/printk-add-early_counter_ns-routine-for-printk-blind-spot/20251125-133242 base: linus/master patch link: https://lore.kernel.org/r/39b09edb-8998-4ebd-a564-7d594434a981%40bird.org patch subject: [PATCH] printk: add early_counter_ns routine for printk blind spot config: i386-randconfig-2006-20250825 (https://download.01.org/0day-ci/archive/20251127/202511271051.yfp2O98B-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/20251127/202511271051.yfp2O98B-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/202511271051.yfp2O98B-lkp@intel.com/ All errors (new ones prefixed by >>): ld: init/main.o: in function `kernel_init': >> init/main.c:1522:(.ref.text+0x201): undefined reference to `__udivdi3' vim +1522 init/main.c 1481 1482 static int __ref kernel_init(void *unused) 1483 { 1484 int ret; 1485 u64 end_cycles, end_ns; 1486 u32 early_mult, early_shift; 1487 1488 /* 1489 * Wait until kthreadd is all set-up. 1490 */ 1491 wait_for_completion(&kthreadd_done); 1492 1493 kernel_init_freeable(); 1494 /* need to finish all async __init code before freeing the memory */ 1495 async_synchronize_full(); 1496 1497 system_state = SYSTEM_FREEING_INITMEM; 1498 kprobe_free_init_mem(); 1499 ftrace_free_init_mem(); 1500 kgdb_free_init_mem(); 1501 exit_boot_config(); 1502 free_initmem(); 1503 mark_readonly(); 1504 1505 /* 1506 * Kernel mappings are now finalized - update the userspace page-table 1507 * to finalize PTI. 1508 */ 1509 pti_finalize(); 1510 1511 system_state = SYSTEM_RUNNING; 1512 numa_default_policy(); 1513 1514 rcu_end_inkernel_boot(); 1515 1516 do_sysctl_args(); 1517 1518 /* show calibration data for early_counter_ns */ 1519 end_cycles = get_cycles(); 1520 end_ns = local_clock(); 1521 clocks_calc_mult_shift(&early_mult, &early_shift, > 1522 ((end_cycles - start_cycles) * NSEC_PER_SEC)/(end_ns - start_ns), 1523 NSEC_PER_SEC, 50); 1524 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki