linux-kernel - Re: [PATCH 0/5] x86: another attempt at x86 pagetable unification

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Date:	Fri, 21 Dec 2007 01:58:32 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Andi Kleen <ak@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Glauber de Oliveira Costa <glommer@...il.com>,
	Jan Beulich <jbeulich@...ell.com>
Subject: Re: [PATCH 0/5] x86: another attempt at x86 pagetable unification


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Well, testing for bisectability requires compiling each patch as its 
> applied, which gets painful for something like this where any change 
> will rebuild the world.  And dealing with patch conflicts caused by 
> changing early patches in the series is never fun.

that's true. The 'rej' tool helps alot though. ( Plus a distcc cluster 
that builds a distro kernel in 45-50 seconds from scratch ;)

> But I'm refactoring the series into smaller pieces now.  Knowing what 
> the outcome should look like, and there the pitfalls are, makes it 
> fairly easy.

ok, great :-)

	Ingo
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