linux-kernel - Re: [kconfig-sat] [ANN] init-kconfig - easy way to embrace Linux's kconfig

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Message-ID: <20181004204117.GA10640@localhost>
Date:   Thu, 4 Oct 2018 13:41:18 -0700
From:   Josh Triplett <josh@...htriplett.org>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-kbuild@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Sam Ravnborg <sam@...nborg.org>, Petr Vorel <pvorel@...e.cz>,
        Steven Rostedt <rostedt@...dmis.org>,
        Johannes Berg <johannes@...solutions.net>,
        Valentin Rothberg <valentinrothberg@...il.com>,
        Vegard Nossum <vegard.nossum@...cle.com>,
        Felix Fietkau <nbd@....name>, kconfig-sat@...glegroups.com
Subject: Re: [kconfig-sat] [ANN] init-kconfig - easy way to embrace Linux's
 kconfig

On Thu, Oct 04, 2018 at 01:39:50PM -0700, Luis Chamberlain wrote:
> On Thu, Oct 04, 2018 at 01:09:00PM -0700, Josh Triplett wrote:
> > On Thu, Oct 04, 2018 at 01:02:49PM -0700, Luis Chamberlain wrote:
> > > Every now and then a project is born, and they decide to use Linux's
> > > kconfig to enable configuration of their project. As it stands we *know*
> > > kconfig is now used in at least over 12 different projects [0]. I myself
> > > added kconfig to one as well years ago. Even research reveals that
> > > kconfig has become one of the leading industrial variability modeling
> > > languages [1] [2].
> > > 
> > > What is often difficult to do though is to start off using kconfig and
> > > integrating it into a project. Or updating / syncing to the latest
> > > kconfig from upstream Linux.
> > > 
> > > I had yet another need to use kconfig for another small project so
> > > decided to make a clean template others can use and help keep it in sync.
> > > This is a passive fork which aims to keep in sync with the Linux
> > > kernel's latest kconfig to make it easier to keep up to date and to
> > > enable new projects to use and embrace kconfig on their own.  The goal
> > > is *not* to fork kconfig and evolve it separately, but rather keep in
> > > sync with the evolution of kconfig on Linux to make it easier for
> > > projects to use kconfig and also update their own kconfig when needed.
> > 
> > Is there a *fundamental* reason that we couldn't have this *be* Linux
> > kconfig, whether pulled in by submodule or regular merges, and avoid
> > having any divergence at all?
> 
> The structure of kconfig in Linux would have to be changed to make
> adoption and sync easier. If that is a goal we wish to embrace, I'm
> all for it.

I would *love* to see Kconfig in Linux evolved to be more easily reused.