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Date: Thu, 7 Mar 2013 22:41:06 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Andrew Morton <akpm@linux-foundation.org>
cc: Paul Gortmaker <paul.gortmaker@windriver.com>,
        Mike Frysinger <vapier@gentoo.org>, Ingo Molnar <mingo@kernel.org>,
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        "David S. Miller" <davem@davemloft.net>,
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        Richard Weinberger <richard@nod.at>
Subject: Re: [PATCH v2] early_printk: consolidate random copies of identical
 code
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On Thu, 7 Mar 2013, Andrew Morton wrote:
> On Thu, 7 Mar 2013 14:50:23 -0500 Paul Gortmaker <paul.gortmaker@windriver.com> wrote:
> 
> > This brings up a recurring question.  I was tempted to just go make
> > CONFIG_EARLY_PRINTK depend on CONFIG_PRINTK, but lately I've faced
> > pushback when trying to "fix" things like seeing ARM OMAP USB options
> > for an x86 build[1], and GOLDFISH virt drivers being offered even
> > when the end user already said no to GOLDFISH[2].
> > 
> > Do we want to use dependencies to reflect the real world layout of
> > platforms/systems, or do we want to go the minimal dependency
> > approach, where we are building sparc specific drivers on mips just
> > because we can?
> > 
> > I think the former is better from a user specific point of view, as
> > the maze of Kconfig is better as a tree topology with branches that
> > have clear dependencies that exclude them, versus it being a flat
> > monolithic space where anything can select anything.
> > 
> > Arguments I've heard for the latter seem to be developer centric
> > (i.e forcing wider build coverage on the population as a whole, etc)
> 
> For me personally, I really really want good compilation coverage.  It
> drives me bats when I merge a patch but have to jump through a series
> of hoops (such as not having the appropriate cross-compiler!) to be
> able to build the thing.
> 
> otoh, offering useless stuff to non-kernel-developers has downsides
> with no balancing benefit, and we really should optimise things for
> our users because there are so many more of them than there are of us.
> 
> I wish we could do both :(   CONFIG_AKPM?

Sure go ahead, and while at it could you please implement
CONFIG_DO_WHAT_I_MEAN as well ?

Thanks,

	tglx