linux-kernel - Re: ARM defconfig files

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Message-ID: <1276015057.14529.7.camel@c-dwalke-linux.qualcomm.com>
Date:	Tue, 08 Jun 2010 09:37:37 -0700
From:	Daniel Walker <dwalker@...eaurora.org>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Russell King <rmk@....linux.org.uk>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-msm@...r.kernel.org,
	Vegard Nossum <vegard.nossum@...il.com>
Subject: Re: ARM defconfig files

On Tue, 2010-06-08 at 16:30 +0100, Catalin Marinas wrote:
> Daniel Walker <dwalker@...eaurora.org> wrote:
> > Have you noticed this ..
> >
> > http://ktrap.org/mailarchive/linux-kernel/2010/5/17/4571130
> >
> > I'm not sure of the goals, but it sounds like it might be relevant.
> 
> In some cases you don't want to automatically enable features but rather
> fix the Kconfig file. For example, with the select dependencies patch
> (http://lkml.org/lkml/2009/9/16/413) on ARMv7 RealView I get the
> following:
> 
> warning: (CPU_V7 && !ARCH_OMAP2 || CPU_MMP2 && ARCH_MMP) selects
> CPU_32v6K which has unmet direct dependencies (CPU_V6)
> 
> Unless I misunderstand this, a solver may try to select CPU_V6 which I
> don't want to. The solution is to fix Kconfig as below:

It seems like those are something the solver would likely find, or have
problems with. Since we technically don't have a solver yet it's hard to
say what the end result would be. None the less it's sucks we have
things getting selected without their depends be met or correct..

Daniel

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