linux-kernel - Re: [kvm-devel] [PATCH] export notifier #1

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Message-ID: <479829AD.9000807@qumranet.com>
Date:	Thu, 24 Jan 2008 08:01:17 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Gerd Hoffmann <kraxel@...hat.com>
CC:	Andrea Arcangeli <andrea@...ranet.com>,
	Christoph Lameter <clameter@....com>,
	Andrew Morton <akpm@...l.org>, Nick Piggin <npiggin@...e.de>,
	kvm-devel@...ts.sourceforge.net,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	steiner@....com, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	daniel.blueman@...drics.com, holt@....com,
	Hugh Dickins <hugh@...itas.com>
Subject: Re: [kvm-devel] [PATCH] export notifier #1

Gerd Hoffmann wrote:
> Another maybe workable approach for Xen is to go through pv_ops
> (although pte_clear doesn't go through pv_ops right now, so this would
> be an additional hook too ...).
>   

I think that's the way.  Xen is not a secondary mmu but rather a primary 
mmu with some magic characteristics.

-- 
Any sufficiently difficult bug is indistinguishable from a feature.

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