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Date: Tue, 11 Feb 2014 06:35:28 -0300
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
To: Artem Bityutskiy <dedekind1@gmail.com>
Subject: Re: [PATCH 1/1] ubi: Introduce block devices for UBI volumes
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Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
 Mike Frysinger <vapier@gentoo.org>, Artem Bityutskiy <dedekind1@gmail.com>,
 Richard Weinberger <richard@nod.at>, Geert Uytterhoeven <geert@linux-m68k.org>,
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 "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
 Brian Norris <computersforpeace@gmail.com>,
 David Woodhouse <dwmw2@infradead.org>, Willy Tarreau <w@1wt.eu>
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On Tue, Feb 11, 2014 at 10:05:33AM +0100, Willy Tarreau wrote:
> On Tue, Feb 11, 2014 at 09:37:25AM +0100, Geert Uytterhoeven wrote:
> > On Mon, Feb 10, 2014 at 10:43 PM, Willy Tarreau <w@1wt.eu> wrote:
> > > On Mon, Feb 10, 2014 at 10:39:18PM +0100, Piergiorgio Beruto wrote:
> > >> Hi all,
> > >> Please, the possibility to disable at compile time unneeded code to save
> > >> memory and/or cpu speed would make the life of embedded developers much more
> > >> easier.
> > >>
> > >> Ubiblk was exactly what we were looking for, in my personal opinion the
> > >> possibility to disable caching and rw feature is of very high value.
> > >
> > > Reminds me the happy days of CONFIG_TINY :-)
> > > So in practice it's probably just a matter of turning the options to :
> > >
> > >     Disable Caching (default N, say Y to save memory)
> > >     Disable Write support (default N, say Y to reduce code size)
> > 
> > But then allmodconfig builds will not exercise those code paths.
> > 
> > Don't you want:
> > 
> >     bool "Enable Caching" if !EXPERT
> >     default y
> > 
> >     bool "Enable Write support" if !EXPERT
> >     default y
> > 
> > ?
> 
> Sounds like an excellent idea!
> 

FWIW, we can also use CONFIG_EMBEDDED. However, most distros seem to
enable this by default.

Artem: What do you say about Geert's suggestion?
-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com