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 X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37A62C432C3 for ; Mon, 25 Nov 2019 13:59:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A93B20740 for ; Mon, 25 Nov 2019 13:59:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727860AbfKYN7R (ORCPT ); Mon, 25 Nov 2019 08:59:17 -0500 Received: from mx2.suse.de ([195.135.220.15]:45140 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727655AbfKYN7Q (ORCPT ); Mon, 25 Nov 2019 08:59:16 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id BA532AEA7; Mon, 25 Nov 2019 13:59:14 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 67CB2DA898; Mon, 25 Nov 2019 14:59:10 +0100 (CET) Date: Mon, 25 Nov 2019 14:59:10 +0100 From: David Sterba To: kbuild test robot Cc: Dennis Zhou , kbuild-all@lists.01.org, David Sterba , Chris Mason , Josef Bacik , Omar Sandoval , kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: Re: [PATCH 04/22] btrfs: keep track of cleanliness of the bitmap Message-ID: <20191125135910.GD2734@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, kbuild test robot , Dennis Zhou , kbuild-all@lists.01.org, David Sterba , Chris Mason , Josef Bacik , Omar Sandoval , kernel-team@fb.com, linux-btrfs@vger.kernel.org References: <06410c758182c36e3af04249721ded50d8f2c62f.1574282259.git.dennis@kernel.org> <201911230623.j5g9qeNZ%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201911230623.j5g9qeNZ%lkp@intel.com> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Sat, Nov 23, 2019 at 08:17:13AM +0800, kbuild test robot wrote: > Hi Dennis, > > I love your patch! Yet something to improve: > > [auto build test ERROR on kdave/for-next] > [cannot apply to v5.4-rc8 next-20191122] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/Dennis-Zhou/btrfs-async-discard-support/20191121-230429 > base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next > config: arm-allmodconfig (attached as .config) > compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=7.4.0 make.cross ARCH=arm > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > All errors (new ones prefixed by >>): > > >> ERROR: "__aeabi_uldivmod" [fs/btrfs/btrfs.ko] undefined! That does not point to a particular line, but there's + /* If we ended in the middle of a bitmap, reset the trimming flag. */ + if (end % (BITS_PER_BITMAP * ctl->unit)) + reset_trimming_bitmap(ctl, offset_to_bitmap(ctl, end)); added and its "u64 % (unsigned long * int)" that could be the cause.