linux-kernel - Re: [PATCH 1/3] kconfig: do not special-case 'MODULES' symbol

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Date:	Fri, 6 Sep 2013 11:47:15 +0200
From:	"Yann E. MORIN" <yann.morin.1998@...e.fr>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH 1/3] kconfig: do not special-case 'MODULES' symbol

Michal, All,

On 2013-09-05 11:38 +0200, Michal Marek spake thusly:
> On 3.9.2013 23:04, Yann E. MORIN wrote:
> > From: "Yann E. MORIN" <yann.morin.1998@...e.fr>
> > 
> > Currently, the 'MODULES' symbol is hard-coded to be the default symbol
> > that enables/disables tristates, if no other symbol was declared with
> > 'option modules'.
> > 
> > While this used to be needed for the Linux kernel, we now have an
> > explicit 'option modules' attached to the 'MODULES' symbol (since
> > cset 11097a036), so we no longer need to special-case it in the
> > kconfig code.
> > 
> > Furthermore, kconfig is extensively used out of the Linux kernel, and
> > other projects may have another meaning for a symbol named 'MODULES'.
> > 
> > This patch changes the way we enable/disable tristates: if a symbol was
> > found with 'option modules' attached to it, then that symbol controls
> > enabling tristates. Otherwise, tristates are disabled, even if a symbol
> > named 'MODULES' exists.
> 
> Wasn't this change supposed to fix allmodconfig with KCONFIG_ALLCONFIG
> (http://lkml.org/lkml/2013/8/8/573)? Or is there still more to do?

This is part of the fix, and there are still things to change, yes.

I'm not done with it yet, since I was unavailable for some time, and I
just wanted this part to be reviewed/upstreamed before continuing, just
in case I was going the wrong way.

I'll be further working on this, and hope to have something at the
beginning of next week.

Regards,
Yann E. MORIN.

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