From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E03C3C77B7C for ; Thu, 11 May 2023 02:08:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230041AbjEKCI5 (ORCPT ); Wed, 10 May 2023 22:08:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229490AbjEKCIz (ORCPT ); Wed, 10 May 2023 22:08:55 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0C2EDE; Wed, 10 May 2023 19:08:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683770933; x=1715306933; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=RapQlMH/dlsFJalvQXdyhW1B6c6n6VpKA6SrVWpGKTM=; b=URBGvV0heAGc3fZ4H40C7d0IohL5PAKMr8xyLMcs08wwtv9/XJSiF5ZG BxQBHDZEtnN8sz8CW1HiQib17VzHZ5ReLq/DLZn/WO2AocPJS8kgClsdB ey+UmLr6IxGQ+WPuazreC0AvLTkKzWdf2NTxULx3WpBEP4vFTC9g+6dZM fDEl3DIqL11ikN6DWhRHXLCCnosPnGNGvuHibEKg/3Tx9PGW07yXZfjxP CEEvJSF1FKqK6eNhzOY4KrM+a+kcynokwIfRmajsTVg0UmCY11cn1j2FK TeiefojXsPRA6qqjwBxkhnXwpH7cpQhNbruKgexcLFU48hH/R/50FItjE w==; X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="413691008" X-IronPort-AV: E=Sophos;i="5.99,265,1677571200"; d="scan'208";a="413691008" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2023 19:08:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="789180107" X-IronPort-AV: E=Sophos;i="5.99,266,1677571200"; d="scan'208";a="789180107" Received: from lkp-server01.sh.intel.com (HELO dea6d5a4f140) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 10 May 2023 19:08:51 -0700 Received: from kbuild by dea6d5a4f140 with local (Exim 4.96) (envelope-from ) id 1pwvje-0003hq-1J; Thu, 11 May 2023 02:08:50 +0000 Date: Thu, 11 May 2023 10:08:18 +0800 From: kernel test robot To: Kent Overstreet , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-bcachefs@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Kent Overstreet , Alexander Viro , Matthew Wilcox Subject: Re: [PATCH 23/32] iov_iter: copy_folio_from_iter_atomic() Message-ID: <202305110949.RCcHYzkJ-lkp@intel.com> References: <20230509165657.1735798-24-kent.overstreet@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230509165657.1735798-24-kent.overstreet@linux.dev> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi Kent, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/locking/core] [cannot apply to axboe-block/for-next akpm-mm/mm-everything kdave/for-next linus/master v6.4-rc1 next-20230510] [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/Kent-Overstreet/Compiler-Attributes-add-__flatten/20230510-010302 base: tip/locking/core patch link: https://lore.kernel.org/r/20230509165657.1735798-24-kent.overstreet%40linux.dev patch subject: [PATCH 23/32] iov_iter: copy_folio_from_iter_atomic() config: powerpc-randconfig-s042-20230509 (https://download.01.org/0day-ci/archive/20230511/202305110949.RCcHYzkJ-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/0e5d4229f5e7671dabba56ea36583b1ca20a9a18 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kent-Overstreet/Compiler-Attributes-add-__flatten/20230510-010302 git checkout 0e5d4229f5e7671dabba56ea36583b1ca20a9a18 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202305110949.RCcHYzkJ-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> lib/iov_iter.c:839:30: sparse: sparse: incompatible types in comparison expression (different type sizes): >> lib/iov_iter.c:839:30: sparse: unsigned int * >> lib/iov_iter.c:839:30: sparse: unsigned long * vim +839 lib/iov_iter.c 825 826 size_t copy_folio_from_iter_atomic(struct folio *folio, size_t offset, 827 size_t bytes, struct iov_iter *i) 828 { 829 size_t ret = 0; 830 831 if (WARN_ON(offset + bytes > folio_size(folio))) 832 return 0; 833 if (WARN_ON_ONCE(!i->data_source)) 834 return 0; 835 836 #ifdef CONFIG_HIGHMEM 837 while (bytes) { 838 struct page *page = folio_page(folio, offset >> PAGE_SHIFT); > 839 unsigned b = min(bytes, PAGE_SIZE - (offset & PAGE_MASK)); 840 unsigned r = __copy_page_from_iter_atomic(page, offset, b, i); 841 842 offset += r; 843 bytes -= r; 844 ret += r; 845 846 if (r != b) 847 break; 848 } 849 #else 850 ret = __copy_page_from_iter_atomic(&folio->page, offset, bytes, i); 851 #endif 852 853 return ret; 854 } 855 EXPORT_SYMBOL(copy_folio_from_iter_atomic); 856 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests