linux-kernel - Re: mainlining min-configs...

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Date:	Tue, 10 Jun 2008 20:51:23 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Tim Bird <tim.bird@...sony.com>, Rob Landley <rob@...dley.net>,
	linux-tiny <Linux-tiny@...enic.com>,
	linux-embedded <linux-embedded@...r.kernel.org>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: mainlining min-configs...

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

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.

	Sam
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