From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: linux-next: Tree for Sep 19 Date: Fri, 19 Sep 2014 17:18:45 -0700 Message-ID: <541CC7E5.3060505@roeck-us.net> References: <20140919165817.225eb8b8@canb.auug.org.au>,<20140919211404.GA24856@roeck-us.net> <525DB349B3FB5444AE057A887CB2A8D88EF4BB@nice.asicdesigners.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from bh-25.webhostbox.net ([208.91.199.152]:47199 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758064AbaITASz (ORCPT ); Fri, 19 Sep 2014 20:18:55 -0400 Received: from mailnull by bh-25.webhostbox.net with sa-checked (Exim 4.82) (envelope-from ) id 1XV8O6-001CqD-Uv for linux-next@vger.kernel.org; Sat, 20 Sep 2014 00:18:55 +0000 In-Reply-To: <525DB349B3FB5444AE057A887CB2A8D88EF4BB@nice.asicdesigners.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: Anish Bhatt , Stephen Rothwell , "rdunlap@infradead.org" Cc: "linux-next@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "David S. Miller" , "James E.J. Bottomley" On 09/19/2014 02:42 PM, Anish Bhatt wrote: > If you're just bisecting, you probably want my very first commit that started this : > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=c99d667e852766afc755fa4430be64bb94e5ea1c > > Essentially, the bnx2 modules would silently disable ipv6 support if ipv6 was > compiled as a module, but cnic was inbuilt. Then it turned out that the select > on CNIC would override the tristate for CNIC, causing build failures. > > The fix for CNIC caused introduced recursive dependencies, requiring this : > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=5d6be6a5d4864712832822efeb9c2d54e4063949 > > which further required this : > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=95cd6f488d164de462a8279e802a0ad05c33d167 > > Turns out this was not enough either, requiring this fix : > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=6a38792ca8a5da28f65dc42eeb73d9a431f8d0fd > > and so on and so forth. According to the last message, Randy might be > working on a proper fix for this : > http://www.spinics.net/lists/linux-scsi/msg78416.html > > Most of this seems to be that the default configs do not select NET, but select SCSI_FC* > which used to previously select NET on it's own (via SCSI_NET_LINK), maybe this > is wrong too ? Default configurations, as per "make savedefconfig", only record differences to the default. There will be no "CONFIG_NET=y" in a defconfig if "select NET" configures it automatically. This is per design to reduce the size of the configuration file. On the downside, it means that a "simple" change such as "select NET" -> "depends NET" has far reaching consequences. Guenter