linux-kernel - Re: Xen MMU's requirement to pin pages RO and initial_memory

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Message-ID: <20110517180715.GD13706@dumpdata.com>
Date:	Tue, 17 May 2011 14:07:15 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	"yinghai@...nel.org" <yinghai@...nel.org>,
	"jeremy@...p.org" <jeremy@...p.org>,
	"hpa@...or.com" <hpa@...or.com>,
	Ian Campbell <Ian.Campbell@...citrix.com>,
	Keir Fraser <keir@....org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>
Subject: Re: Xen MMU's requirement to pin pages RO and initial_memory_mapping.

> > 
> > 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?
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