Re: [Xen-devel] PCI Passthrough ARM Design : Draft1

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Jun 26, 2015 at 02:47:38PM +0100, Ian Campbell wrote:
> 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

+1

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