linux-kernel - Re: [PATCH] Add 'make no2modconfig' config generation target

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Message-ID: <20080601174255.GA22244@uranus.ravnborg.org>
Date:	Sun, 1 Jun 2008 19:42:55 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Clifford Wolf <clifford@...fford.at>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add 'make no2modconfig' config generation target

On Sun, Jun 01, 2008 at 06:34:39PM +0200, Clifford Wolf wrote:
> Hi,
> 
> On Sat, May 31, 2008 at 10:30:34AM +0200, Sam Ravnborg wrote:
> > On Sat, May 31, 2008 at 09:05:07AM +0200, Clifford Wolf wrote:
> > > The new 'make no2modconfig' make target creates a new kernel
> > > config based on the current one, switching all tristate options
> > > from 'n' to 'm'.
> > 
> > In what situations do we need this functionality?
> 
> I'm using this patch (respectively its predecessors) since many years in
> ROCK Linux to auto-generate our general purpose kernel configurations, by
> copying the default kernel config, forcing some variables to yes or no and
> then setting all tristate options which are on 'n' to 'm' using this patch.
> 
> the only alternative would be to manually check the kernel configurtion for
> each new kernel and setting all new tristate options to 'm' by hand. what a
> waste of energy that would have been for the last couple of years..  ;-)

I have a set of patched in works that will allow this in
a more general way.
It allows you to specify a base config when you do allmodconfig.
Syntax is:

   make K=rock-config allmodconfig

This will result in exactly what you want.

I will try to find time during next week to polish them and submit them
for 2nd review.

	Sam
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