linux-kernel - Re: [PATCH 0/2] kconfig: updates to streamline

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Date:	Fri, 01 May 2009 11:01:14 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Alan Jenkins <sourcejedi.lkml@...glemail.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Theodore Tso <tytso@....edu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	zippel@...ux-m68k.org, linux-kbuild@...r.kernel.org,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH 0/2] kconfig: updates to streamline_config.pl

On Fri, 2009-05-01 at 09:47 +0100, Alan Jenkins wrote:
> On 5/1/09, Steven Rostedt <rostedt@...dmis.org> wrote:
> > Thanks to Alan Jenkins for suggesting these cleanups/fixes/enhancements.
> 
> And thanks to you for pushing this script!  It should be handy for
> speeding up bisection builds, without accidentally disabling a config
> that caused the regression.
> 
> Though I'm wary of it for _general_ usage, because of hotplug.  I
> think it would be even more useful if there was some way to preserve
> all the currently selected USB drivers.

While we're on feature requests...

 - the same for things like netfilter etc..

 - the ability to generate permutation configs, I've had the need to
   build test code that had like way to many CONFIG options:

GROUP_SCHED * {USER_SCHED, CGROUP_SCHED} * FAIR_GROUP_SCHED * RT_GROUP_SCHED

   comes to mind. With a streamlined .config changing the configuration
   takes more time than actually building a bzImage.


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