Message-ID: <479829AD.9000807@qumranet.com>
Date: Thu, 24 Jan 2008 08:01:17 +0200
From: Avi Kivity <avi@qumranet.com>
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To: Gerd Hoffmann <kraxel@redhat.com>
CC: Andrea Arcangeli <andrea@qumranet.com>,
       Christoph Lameter <clameter@sgi.com>, Andrew Morton <akpm@osdl.org>,
       Nick Piggin <npiggin@suse.de>, kvm-devel@lists.sourceforge.net,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>, steiner@sgi.com,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       daniel.blueman@quadrics.com, holt@sgi.com,
       Hugh Dickins <hugh@veritas.com>
Subject: Re: [kvm-devel] [PATCH] export notifier #1
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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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