From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 F254718BC29 for ; Wed, 13 Nov 2024 22:08:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731535727; cv=none; b=roPz8GKo7fmBpWZmopQl9rA2xjSO7sDFh9F93VkuXiMAf/6oIj1fqo4/MaSTVQ9odlcZulu3WZRjxKexre2gYpzqRYCU0X002jZmkNm+5HiCnueiXwqCp00J6h8vjOs0gfkLHYsUQFq2+1NRZs4VTKi4NSp1kgFJcy6mQYdPjf4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731535727; c=relaxed/simple; bh=z9stuSLhlEy++TW9cEOH6TRGd9dAPMRqgcaZYellQBU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jy+DqNJlx+vFB/Q4Xw2i86Jqx304pkQv8DnXJNebiwFlaK2gDMzwnJYNUPySXPNgPmd7lp2MSdjgoA1KlQJYxdXhS9pyNM6NJfiu3FVDfpHhJpyR7fIyfOn+91JW304FNFDmWSddglARaw9DnrVtOM2ids4SYwFbrNsByshkbr0= 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=F8LXdSub; arc=none smtp.client-ip=192.198.163.11 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="F8LXdSub" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731535726; x=1763071726; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=z9stuSLhlEy++TW9cEOH6TRGd9dAPMRqgcaZYellQBU=; b=F8LXdSubse39+7Q7a6AH0pLrx5sL7gfwKKLuYuW1titbjGhb3ya7h8pq Tds6XKWIgKlsmPXpfBNhO3w4OUJUyJJIIthnwtfFCDIMyRA7RQIBqAQg2 sV7QJg48ggU3mUy6Og4NjZrJlPknwyLa284IBTNGDX3+my39Eb1sZ06gQ JrcbuoW3JNPzq7NskOhtLa2j7h2/6szM/1aYIK7H1mYtJonKpI7nJg2xN cif4R1EM0ok1WutSnEpzD1KwQzLHv+B4nz5alxL1LV+xeskVe2PO3/NcR SRH55eOm3A+caeTamDvOKAXIrVL+xkCdRc0TmJHlZ9KHbJwJMinFUFOv5 Q==; X-CSE-ConnectionGUID: 3D4kD8HBRpGjAvGyTdc/fw== X-CSE-MsgGUID: yiPCpPvWQnOz03hFQoYGbA== X-IronPort-AV: E=McAfee;i="6700,10204,11254"; a="42077997" X-IronPort-AV: E=Sophos;i="6.12,152,1728975600"; d="scan'208";a="42077997" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2024 14:08:45 -0800 X-CSE-ConnectionGUID: xvrdLtP/T/uwTps2LQWlBA== X-CSE-MsgGUID: En440rtUR9yjqqh0rkp2mw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,152,1728975600"; d="scan'208";a="88397161" Received: from lkp-server01.sh.intel.com (HELO 80bd855f15b3) ([10.239.97.150]) by orviesa007.jf.intel.com with ESMTP; 13 Nov 2024 14:08:42 -0800 Received: from kbuild by 80bd855f15b3 with local (Exim 4.96) (envelope-from ) id 1tBLXT-0000lf-1M; Wed, 13 Nov 2024 22:08:39 +0000 Date: Thu, 14 Nov 2024 06:08:09 +0800 From: kernel test robot To: yongli-oc , akpm@linux-foundation.org, linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, yongli@zhaoxin.com, cobechen@zhaoxin.com, louisqi@zhaoxin.com, jiangbowang@zhaoxin.com Subject: Re: [PATCH] Support lockref reference count if enable LOCK_STAT Message-ID: <202411140548.NBssFC0E-lkp@intel.com> References: <20241113085703.148839-1-yongli-oc@zhaoxin.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: <20241113085703.148839-1-yongli-oc@zhaoxin.com> Hi yongli-oc, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on akpm-mm/mm-nonmm-unstable linus/master v6.12-rc7 next-20241113] [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/yongli-oc/Support-lockref-reference-count-if-enable-LOCK_STAT/20241113-171348 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20241113085703.148839-1-yongli-oc%40zhaoxin.com patch subject: [PATCH] Support lockref reference count if enable LOCK_STAT config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241114/202411140548.NBssFC0E-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241114/202411140548.NBssFC0E-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/202411140548.NBssFC0E-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/s390/purgatory/purgatory.c:10: In file included from include/linux/kexec.h:18: In file included from include/linux/vmcore_info.h:6: In file included from include/linux/elfcore.h:11: In file included from include/linux/ptrace.h:10: In file included from include/linux/pid_namespace.h:7: In file included from include/linux/mm.h:1120: In file included from include/linux/huge_mm.h:7: In file included from include/linux/fs.h:8: >> include/linux/dcache.h:369:13: warning: taking address of packed member 'lock' of class or structure 'lockref::(anonymous union)::struct (anonymous at include/linux/lockref.h:39:3)' may result in an unaligned pointer value [-Waddress-of-packed-member] 369 | spin_lock(&dentry->d_lock); | ^~~~~~~~~~~~~~ include/linux/dcache.h:371:15: warning: taking address of packed member 'lock' of class or structure 'lockref::(anonymous union)::struct (anonymous at include/linux/lockref.h:39:3)' may result in an unaligned pointer value [-Waddress-of-packed-member] 371 | spin_unlock(&dentry->d_lock); | ^~~~~~~~~~~~~~ 2 warnings generated. vim +369 include/linux/dcache.h d83c49f3e36cec Al Viro 2010-04-30 366 d83c49f3e36cec Al Viro 2010-04-30 367 static inline void dont_mount(struct dentry *dentry) d83c49f3e36cec Al Viro 2010-04-30 368 { d83c49f3e36cec Al Viro 2010-04-30 @369 spin_lock(&dentry->d_lock); d83c49f3e36cec Al Viro 2010-04-30 370 dentry->d_flags |= DCACHE_CANT_MOUNT; d83c49f3e36cec Al Viro 2010-04-30 371 spin_unlock(&dentry->d_lock); d83c49f3e36cec Al Viro 2010-04-30 372 } d83c49f3e36cec Al Viro 2010-04-30 373 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki