From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Lalancette <clalance@redhat.com>
Subject: Re: [PATCH]: Make linux smarter about using batched PTE
	updates
Date: Tue, 11 Mar 2008 17:34:34 -0400
Message-ID: <47D6FAEA.4080406@redhat.com>
References: <C3FCA779.1DD5C%keir.fraser@eu.citrix.com>
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To: Keir Fraser <keir.fraser@eu.citrix.com>
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Keir Fraser wrote:
> We expose feature flag XENFEAT_mmu_pt_update_preserve_ad for this purpose,
> which means you do not need to attempt the hypercall even once. See
> http://xenbits.xensource.com/linux-2.6.18-xen.hg for example usage, in the
> very file and function you patch below.
> 

D'oh.  Should have looked at that tree more closely first....we didn't have it
in our tree, but now I see it there.  Thanks for the heads up.

Chris Lalancette