From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 B196C40BEE; Wed, 3 Apr 2024 04:24:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712118251; cv=none; b=J7zOP8c3D4GH085Mx/faSYDW11PCck8BLCdN2Jq/gGT7GKwO12qzkceq379aK+TLYGjoy01tMuwGHvRSTdzr3XM6XZnbtgN/2OWjVTkToW17Ujmj3L4NAm8Lk9hVsp6eIxS57q0JMBsTgZVsJEH+id19y1kG+RKG5Aagi9TdAsg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712118251; c=relaxed/simple; bh=kvZKyFnzaSdzkHLInBECq2A4x1BE0FyawGZWZBsWnfY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YLP3y4KHoVEXB+nDC3JB+udyPE7m75T2FQrtERonbNax6BQko+zmIGiQ/8rRI5Kr49eZjPqsaIMyKKv5ujYs2xIdr/V63An3jCdOmA7ATbMpGJq9byHsOEGL/xXQPn6SSXvkGX7R73zIWUQLT674zlyp82xmsmYFIc97G9pSMEk= 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=PPfRJjsJ; arc=none smtp.client-ip=192.198.163.12 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="PPfRJjsJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712118250; x=1743654250; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kvZKyFnzaSdzkHLInBECq2A4x1BE0FyawGZWZBsWnfY=; b=PPfRJjsJOX4oSmgLCsliSskMSRF+Hh9YHAe9cI7ElhhoujYqDT46taCm apr6zOxqDjzig3irLSY38S7hx1j3YY6JUZJ84qQol3NIm1wfdrCCvVOPl l4jbxQo7bdoZyCjMAymgIyhBwtazP8jVSO6eZo76r/IESlmstoDBECjHK g3G2g0jXhCuV4XMC2ytm95CDl/B3OCiVgCBNM0zJNbCpJcRGNQVO/GbSD SV8qpApYrKm6i8e1ABL+iIFL0eqKeVtwB3aH6lb9Hnm0VFaIV+B2fes/G Ui9drTkrN3TWSI59zUm0UDqc2JATdltwvPMw3U2gUPYD30RMHXZxh4Z4c Q==; X-CSE-ConnectionGUID: PGiLIUKHR8CLQ4ULTTf+mA== X-CSE-MsgGUID: wvylyuamQ5CXX1IFDSDYqA== X-IronPort-AV: E=McAfee;i="6600,9927,11032"; a="11104932" X-IronPort-AV: E=Sophos;i="6.07,176,1708416000"; d="scan'208";a="11104932" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Apr 2024 21:24:09 -0700 X-CSE-ConnectionGUID: vr7UOS3ATjqARwTETHCDhA== X-CSE-MsgGUID: bcwQ72D4S1KwGBlIGF571A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,176,1708416000"; d="scan'208";a="22779970" Received: from lkp-server02.sh.intel.com (HELO 90ee3aa53dbd) ([10.239.97.151]) by fmviesa003.fm.intel.com with ESMTP; 02 Apr 2024 21:24:06 -0700 Received: from kbuild by 90ee3aa53dbd with local (Exim 4.96) (envelope-from ) id 1rrsAO-0001qZ-07; Wed, 03 Apr 2024 04:24:04 +0000 Date: Wed, 3 Apr 2024 12:23:07 +0800 From: kernel test robot To: Damien Le Moal , linux-block@vger.kernel.org, Jens Axboe , linux-scsi@vger.kernel.org, "Martin K . Petersen" , dm-devel@lists.linux.dev, Mike Snitzer , linux-nvme@lists.infradead.org, Keith Busch , Christoph Hellwig Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH v4 07/28] block: Introduce zone write plugging Message-ID: <202404031242.Oy7q9BWh-lkp@intel.com> References: <20240402123907.512027-8-dlemoal@kernel.org> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240402123907.512027-8-dlemoal@kernel.org> Hi Damien, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.9-rc2 next-20240402] [cannot apply to jejb-scsi/for-next device-mapper-dm/for-next mkp-scsi/for-next] [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/Damien-Le-Moal/block-Restore-sector-of-flush-requests/20240402-204657 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20240402123907.512027-8-dlemoal%40kernel.org patch subject: [PATCH v4 07/28] block: Introduce zone write plugging config: i386-buildonly-randconfig-003-20240403 (https://download.01.org/0day-ci/archive/20240403/202404031242.Oy7q9BWh-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240403/202404031242.Oy7q9BWh-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/202404031242.Oy7q9BWh-lkp@intel.com/ All warnings (new ones prefixed by >>): >> block/blk-zoned.c:1435:10: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] 1435 | return ret; | ^~~ block/blk-zoned.c:1415:9: note: initialize the variable 'ret' to silence this warning 1415 | int ret; | ^ | = 0 1 warning generated. vim +/ret +1435 block/blk-zoned.c 1410 1411 static int disk_alloc_zone_resources(struct gendisk *disk, 1412 unsigned int pool_size) 1413 { 1414 unsigned int i; 1415 int ret; 1416 1417 disk->zone_wplugs_hash_bits = 1418 min(ilog2(pool_size) + 1, BLK_ZONE_WPLUG_MAX_HASH_BITS); 1419 1420 disk->zone_wplugs_hash = 1421 kcalloc(disk_zone_wplugs_hash_size(disk), 1422 sizeof(struct hlist_head), GFP_KERNEL); 1423 if (!disk->zone_wplugs_hash) 1424 return -ENOMEM; 1425 1426 for (i = 0; i < disk_zone_wplugs_hash_size(disk); i++) 1427 INIT_HLIST_HEAD(&disk->zone_wplugs_hash[i]); 1428 1429 disk->zone_wplugs_pool = mempool_create_kmalloc_pool(pool_size, 1430 sizeof(struct blk_zone_wplug)); 1431 if (!disk->zone_wplugs_pool) { 1432 kfree(disk->zone_wplugs_hash); 1433 disk->zone_wplugs_hash = NULL; 1434 disk->zone_wplugs_hash_bits = 0; > 1435 return ret; 1436 } 1437 1438 return 0; 1439 } 1440 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki