From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: PCI Passthrough ARM Design : Draft1
Date: Fri, 26 Jun 2015 14:47:38 +0100
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Vijay Kilari <vijay.kilari@gmail.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Prasun Kapoor <Prasun.kapoor@caviumnetworks.com>, "Kumar,
	Vijaya" <Vijaya.Kumar@caviumnetworks.com>, Manish Jaggi <mjaggi@caviumnetworks.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Julien Grall <julien.grall@citrix.com>, Stefano Stabellini <stefano.stabellini@citrix.com>, "Kulkarni,
	Ganapatrao" <Ganapatrao.Kulkarni@caviumnetworks.com>, Roger Pau =?ISO-8859-1?Q?Monn=E9?= <roger.pau@citrix.com>
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On Fri, 2015-06-26 at 09:28 -0400, Konrad Rzeszutek Wilk wrote:
> I would advocate a more dynamic idea of GUEST_MMIO_* so that the toolstack
> can allocate those with headroom. Perhaps stash it at the far far end
> of the guest accessible memory? But that would require an 64-bit capable
> OS which might not work for all use-cases (where you want a 32-bit OS).

I'd be incline to define two areas, one under 4GB but limited in size
and the other above and to decide which to used based on $factors-tbd


> 
> > 
> > Ian.
> > 
> > 
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