Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758107AbYFJTGm (ORCPT ); Tue, 10 Jun 2008 15:06:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754971AbYFJTGa (ORCPT ); Tue, 10 Jun 2008 15:06:30 -0400 Received: from smtp6.pp.htv.fi ([213.243.153.40]:54027 "EHLO smtp6.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753603AbYFJTG3 (ORCPT ); Tue, 10 Jun 2008 15:06:29 -0400 Date: Tue, 10 Jun 2008 22:05:30 +0300 From: Adrian Bunk To: Sam Ravnborg Cc: Tim Bird , Rob Landley , linux-tiny , linux-embedded , linux kernel Subject: Re: mainlining min-configs... Message-ID: <20080610190530.GH11685@cs181133002.pp.htv.fi> References: <48447615.5050806@am.sony.com> <20080604194002.GF4189@cs181133002.pp.htv.fi> <4849CCA3.7040102@am.sony.com> <200806062329.54019.rob@landley.net> <484DDAD9.2000306@am.sony.com> <20080610083610.GC1987@cs181133002.pp.htv.fi> <484EC576.5080302@am.sony.com> <20080610183004.GG11685@cs181133002.pp.htv.fi> <20080610185123.GA15838@uranus.ravnborg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20080610185123.GA15838@uranus.ravnborg.org> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1969 Lines: 55 On Tue, Jun 10, 2008 at 08:51:23PM +0200, Sam Ravnborg wrote: > On Tue, Jun 10, 2008 at 09:30:04PM +0300, Adrian Bunk wrote: > > On Tue, Jun 10, 2008 at 11:18:30AM -0700, Tim Bird wrote: > > > Adrian Bunk wrote: > > >... > > > > You need both, and ideally constantly done by the same person against > > > > Linus' tree, -next and -mm. > > > > > > > > Where to get your minimal configs from at the start is just a small > > > > thing at the beginning - don't underestimate the required manual work > > > > that will have to be done each week. > > > > > > This is probably why I haven't signed up for this myself previously. > > > I'd be interested in finding out the rate at which defconfigs > > > bitrot in mainline. My experience is that usually a 'make oldconfig' > > > will produce something usable. But maybe that wouldn't be as > > > effective with a minconfig? > > >... > > > > Someone has to run the 'make oldconfig' for all configs... > > > > And no, you cannot get that completely automated. > > When I get my kconfig patchset polished you will be able to do: > > make K=my_mini_config allnoconfig make KCONFIG_ALLCONFIG=my_mini_config allnoconfig already does the same. > Thus selecting 'no' for all new symbols in an automated fashion. > I know that in a few cases 'no' is the wrong answer but in the > 99% of the cases 'no' is perfectly valid. The 1% contain cases like e.g. a kconfig variable you need getting a new dependency. > Sam cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/