linux-kernel - Re: [GIT PULL] omap changes for v2.6.39 merge window

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Message-ID: <20110402043804.GB3989@riccoc20.at.omicron.at>
Date:	Sat, 2 Apr 2011 06:38:04 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	Nicolas Pitre <nico@...xnic.net>
Cc:	Arnd Bergmann <arnd@...db.de>, Will Deacon <will.deacon@....com>,
	Ingo Molnar <mingo@...e.hu>, david@...g.hm,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	lkml <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	David Brown <davidb@...eaurora.org>,
	linux-omap@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [GIT PULL] omap changes for v2.6.39 merge window

On Fri, Apr 01, 2011 at 04:19:31PM -0400, Nicolas Pitre wrote:
> 
> In a perfect world the bootloader would be bug free and always up to 
> date with the best DT data.  In practice I'm very skeptical this will 
> always be the case and painless.  At least the above makes it very 
> simple to have a self contained kernel when (not if) need be.

Yes, my experience with DT on powerpc teaches me that, although DT
sounds wonderful in theory, in practice kernel/dtb/uboot form a love
triangle (or perhaps a hate triangle) where all three points must be
exactly up to date with each other. If one part is even just a month
or two too old/new, then your kernel might not boot.

Richard
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