From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752296AbcDZNaH (ORCPT ); Tue, 26 Apr 2016 09:30:07 -0400 Received: from mx2.suse.de ([195.135.220.15]:41328 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752264AbcDZNaF (ORCPT ); Tue, 26 Apr 2016 09:30:05 -0400 Subject: Re: linux-next: build failure after merge of the block tree To: Stephen Rothwell References: <20160426133812.366dc031@canb.auug.org.au> Cc: Nicolas Pitre , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Jens Axboe , Randy Dunlap From: Michal Marek Message-ID: <571F6D59.8040402@suse.cz> Date: Tue, 26 Apr 2016 15:30:01 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <20160426133812.366dc031@canb.auug.org.au> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2016-04-26 05:38, Stephen Rothwell wrote: > Hi Nicolas, > > After merging the block tree, today's linux-next build (powerpc > ppc64_defconfig) failed like this: > > ERROR: ".blk_queue_write_cache" [drivers/block/virtio_blk.ko] undefined! > ERROR: ".blk_queue_write_cache" [drivers/block/ps3disk.ko] undefined! > ERROR: ".blk_queue_write_cache" [drivers/block/nbd.ko] undefined! > > Caused by commit > > 089095b8eef9 ("kbuild: better abstract vmlinux sequential prerequisites") > > from the kbuild-pite tree. > > I have reverted that commit for today. I can't reproduce this with today's linux-next and the revert reverted. Also, CONFIG_TRIM_UNUSED_KSYMS is disabled in the defconfig as expected, so I have no idea what went wrong. Michal