linux-kernel - Re: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"

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Message-Id: <200801090517.11410.ak@suse.de>
Date:	Wed, 9 Jan 2008 05:17:11 +0100
From:	Andi Kleen <ak@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Dave Airlie <airlied@...ux.ie>, torvalds@...ux-foundation.org,
	hch@....de, pq@....fi, jbeulich@...ell.com, mingo@...e.hu,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"


> An alternative might be to come up with something decent and target 2.6.24.x

If you want zero cache line cost the only way is to handle that using Mathieu's 
inline patch infrastructure. Having a generic notifier type based on that would be 
probably a good idea.

-Andi
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