From: Andi Kleen <ak@suse.de>
To: Zachary Amsden <zach@vmware.com>
Subject: Re: [PATCH] Fix preemptible lazy mode bug
Date: Thu, 6 Sep 2007 06:41:36 +0100
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Cc: Rusty Russell <rusty@rustcorp.com.au>, Linus Torvalds <torvalds@osdl.org>,
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       Andrew Morton <akpm@osdl.org>, Jeremy Fitzhardinge <jeremy@goop.org>,
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>I agree.  The patch is a nop.  I just got overly paranoid.  The whole
>thing is just very prone to bugs.
So do we need a patch for .23 or not?

>; it does
> seem perfectly acceptable though for the mm code to use kmap or vmap
> (not kmap_atomic) internally somewhere in the pagetable code.

i386 does it all the time for highmem pagetables in fact.

-Andi
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