linux-kernel - Re: ARM defconfig files

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Message-ID: <alpine.LFD.2.00.1006031146580.8175@i5.linux-foundation.org>
Date:	Thu, 3 Jun 2010 11:53:25 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Russell King <rmk@....linux.org.uk>
cc:	Daniel Walker <dwalker@...eaurora.org>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-msm@...r.kernel.org
Subject: Re: ARM defconfig files

On Thu, 3 Jun 2010, Russell King wrote:
> 
> The problem comes with driver configuration, where you have to go
> through lots of menus to find all the drivers for the platform/SoC.
> That's the tedious bit, and more often than not it takes several
> attempts to get everything that's necessary.

It's often tedious for other cases too ("I just want to enable a 
particular driver, what do I need to do so?"), and I do agree with Daniel 
that the SAT solver approach sounds interesting as a way to solve some of 
the complexities.

At the same time, "SAT solver" does scream "over-engineering failure" to 
me. We've had horribly bad experiences with over-engineering in that space 
before. Yes, I know about MiniSAT and that these things can be done 
without necessarily huge amounts of complex code, but these things tend to 
grow to huge monsters.

Who knows.

			Linus
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