From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753222AbcHZMki (ORCPT ); Fri, 26 Aug 2016 08:40:38 -0400 Received: from mx2.suse.de ([195.135.220.15]:40191 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751168AbcHZMkh (ORCPT ); Fri, 26 Aug 2016 08:40:37 -0400 Subject: Re: [PATCH] ceph: fix symbol versioning for ceph_monc_do_statfs To: Arnd Bergmann References: <1465823125-171114-1-git-send-email-arnd@arndb.de> Cc: Sage Weil , Jan Beulich , Ilya Dryomov , "Yan, Zheng" , Alex Elder , ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org From: Michal Marek Message-ID: <7bd07499-ac33-9659-0a8a-a3ddfa96f13d@suse.cz> Date: Fri, 26 Aug 2016 14:40:34 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2 MIME-Version: 1.0 In-Reply-To: <1465823125-171114-1-git-send-email-arnd@arndb.de> 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 2016-06-13 15:04, Arnd Bergmann wrote: > The genksyms helper in the kernel cannot parse a type definition > like "typeof(((type *)0)->keyfld)" that is used in the DEFINE_RB_FUNCS > helper, causing the following EXPORT_SYMBOL() statement to be ignored > when computing the crcs, and triggering a warning about this: > > WARNING: "ceph_monc_do_statfs" [fs/ceph/ceph.ko] has no CRC FYI, Nick fixed the genksyms state machine to cope with this syntax. See commits 5c6f3225d00d kbuild: Regenerate genksyms lexer 4fab91605a6b kbuild: genksyms fix for typeof handling in today's linux-next. So the workaround can eventually be reverted. Michal