From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 50ED419E82A for ; Tue, 10 Jun 2025 02:08:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749521334; cv=none; b=Y0Jttjv88Ux2kV5IIFil2Gn/WsFzPD5ewoVbwWBLXc2dRUdM/GabEotFLBpwqHRsIMSywjjrnTm3/D6v37u2og3vh3zWSqrb14bl8j4bVseh1yzMUTY0XZq2Tndvi1BW5QXQJkKyWDmsY5a/732jBNfu9k44wop7NFkOps0y3L4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749521334; c=relaxed/simple; bh=sIXSPJxS+G5t42r2AbvUgAZhpvhnMGaM1OyQXh9rwbc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Iaav9Tqv339sL/RxiMRJW1z+MCLZ5RXUYapTMSryJsN7rlWLVQn0Lxa3S0vEyPx3mdtJoQ+gRUHyZoGOjnGq7vHqAIPbFt426OviYKAMGm8U0eUAmXwFfUuvR/XDPked5kVob8vYNDoyDpyFI0R4qhXoRiNGjF0r3kPJLJQx9mc= 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=b5Ja7FfO; arc=none smtp.client-ip=198.175.65.15 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="b5Ja7FfO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1749521332; x=1781057332; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sIXSPJxS+G5t42r2AbvUgAZhpvhnMGaM1OyQXh9rwbc=; b=b5Ja7FfOtZZ0taSzZhz/RO+bf+gssMW4O+qz1LrZTJW/tWxjY0WERJ5P A9uLoWgvo/oIyjKcV7tfi+wI5bryhGNw67zk9C8uf8Skzx7nm3LwsBWcd KtJBct3M0jYZCncpysjWhX/GMoZM1n2Md2MdCi/Q+GovL+uR75AX0WuGX KqLZ9AYbpd5I7Ge4Kr22DkpLE4nk9flxmCODJ2GZTWa3aI2sgSKOjofMI EFwK6p6kHTf3aPQRNDXiUfIcgWBBjYNTbiY1q/L+KEyBYs6wfutwhpHcq ksAkeDa9xCnRVuG5IQ4KFTbgxNhErv8qt6XE0Hijb3h7n/FK1+etP8M08 w==; X-CSE-ConnectionGUID: EcYf9DiASQmYH3WsLGF56A== X-CSE-MsgGUID: xnFcV4JlTTqn9RZiHDnLSQ== X-IronPort-AV: E=McAfee;i="6800,10657,11459"; a="55279838" X-IronPort-AV: E=Sophos;i="6.16,223,1744095600"; d="scan'208";a="55279838" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2025 19:08:52 -0700 X-CSE-ConnectionGUID: Gmb/15xrRN+ExR13Kec0wQ== X-CSE-MsgGUID: xlUitEuuTEWdIOnJg1hRPg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,223,1744095600"; d="scan'208";a="147200204" Received: from lkp-server01.sh.intel.com (HELO e8142ee1dce2) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 09 Jun 2025 19:08:49 -0700 Received: from kbuild by e8142ee1dce2 with local (Exim 4.96) (envelope-from ) id 1uOoPu-0007d7-2y; Tue, 10 Jun 2025 02:08:46 +0000 Date: Tue, 10 Jun 2025 10:07:49 +0800 From: kernel test robot To: Marco Crivellari , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Tejun Heo , Lai Jiangshan , Thomas Gleixner , Frederic Weisbecker , Sebastian Andrzej Siewior , Marco Crivellari , Michal Hocko Subject: Re: [PATCH v2 3/4] Workqueue: add WQ_PERCPU Message-ID: <202506100903.Ow7T6q5Q-lkp@intel.com> References: <20250609103535.780069-4-marco.crivellari@suse.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: <20250609103535.780069-4-marco.crivellari@suse.com> Hi Marco, kernel test robot noticed the following build warnings: [auto build test WARNING on mkp-scsi/for-next] [cannot apply to brauner-vfs/vfs.all wireless-next/main wireless/main linus/master v6.16-rc1 next-20250606] [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/Marco-Crivellari/Workqueue-add-system_percpu_wq/20250609-183742 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next patch link: https://lore.kernel.org/r/20250609103535.780069-4-marco.crivellari%40suse.com patch subject: [PATCH v2 3/4] Workqueue: add WQ_PERCPU config: s390-randconfig-002-20250610 (https://download.01.org/0day-ci/archive/20250610/202506100903.Ow7T6q5Q-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250610/202506100903.Ow7T6q5Q-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/202506100903.Ow7T6q5Q-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/nvme/host/tcp.c: In function 'nvme_tcp_init_module': >> drivers/nvme/host/tcp.c:3026:26: warning: statement with no effect [-Wunused-value] 3026 | wq_flags != WQ_PERCPU; | ~~~~~~~~~^~~~~~~~~~~~ vim +3026 drivers/nvme/host/tcp.c 3008 3009 static int __init nvme_tcp_init_module(void) 3010 { 3011 unsigned int wq_flags = WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_SYSFS; 3012 int cpu; 3013 3014 BUILD_BUG_ON(sizeof(struct nvme_tcp_hdr) != 8); 3015 BUILD_BUG_ON(sizeof(struct nvme_tcp_cmd_pdu) != 72); 3016 BUILD_BUG_ON(sizeof(struct nvme_tcp_data_pdu) != 24); 3017 BUILD_BUG_ON(sizeof(struct nvme_tcp_rsp_pdu) != 24); 3018 BUILD_BUG_ON(sizeof(struct nvme_tcp_r2t_pdu) != 24); 3019 BUILD_BUG_ON(sizeof(struct nvme_tcp_icreq_pdu) != 128); 3020 BUILD_BUG_ON(sizeof(struct nvme_tcp_icresp_pdu) != 128); 3021 BUILD_BUG_ON(sizeof(struct nvme_tcp_term_pdu) != 24); 3022 3023 if (wq_unbound) 3024 wq_flags |= WQ_UNBOUND; 3025 else > 3026 wq_flags != WQ_PERCPU; 3027 3028 nvme_tcp_wq = alloc_workqueue("nvme_tcp_wq", wq_flags, 0); 3029 if (!nvme_tcp_wq) 3030 return -ENOMEM; 3031 3032 for_each_possible_cpu(cpu) 3033 atomic_set(&nvme_tcp_cpu_queues[cpu], 0); 3034 3035 nvmf_register_transport(&nvme_tcp_transport); 3036 return 0; 3037 } 3038 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki