From: Christoph Lameter <clameter@sgi.com>
Subject: Re: [PATCH 1/1] x86: fix text_poke
Date: Fri, 25 Apr 2008 12:36:33 -0700 (PDT)
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Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Jiri Slaby <jirislaby@gmail.com>,
	David Miller <davem@davemloft.net>, zdenek.kabelac@gmail.com,
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	Jeremy Fitzhardinge <jeremy@goop.org>,
	Ingo Molnar <mingo@elte.hu>
To: Andi Kleen <andi@firstfloor.org>
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On Fri, 25 Apr 2008, Andi Kleen wrote:

> > And we should really add a lot more sanity checking there.
> 
> A debug mode for virt_to_page(),__pa,__va et.al. would probably make sense
> and would have caught it.
> 
> I used to have that partly in the x86-64 port with VIRTUAL_BUG_ON.

Good idea! Do you have a patch?