From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Xen MMU's requirement to pin pages RO and initial_memory_mapping.
Date: Tue, 17 May 2011 14:07:15 -0400
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Cc: "H. Peter Anvin" <hpa@linux.intel.com>, "yinghai@kernel.org" <yinghai@kernel.org>, "jeremy@goop.org" <jeremy@goop.org>, "hpa@zytor.com" <hpa@zytor.com>, Ian Campbell <Ian.Campbell@eu.citrix.com>, Keir Fraser <keir@xen.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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> > 
> > Doesn't Xen have some kind of compatibility mode which could be used
> > during setup?
>  
> Unfortunately not that I am aware.

Peter, were you thinking of XENFEAT_auto_translated_physmap? Which is that
the hypervisor does all of the MMU translations?