Re: [Xen-devel] Running a VM with more than 4GB?

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 24/10/2009 19:09, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:

> Is it possible to run a VM on top of Xen with RAM >= 4gb? This should
> cause all the iomem of the devices (both virtual & PT devices) to be
> in addresses above 4gb, which means that it will be addresses of
> 64-bit.
> Does the latest Xen (and/or Xen 3.4) support this?

Yes, it works. Iomem is placed just below 4gb and the RAM that would appear
there is shifted up above 4GB, just like on a real machine.

 -- Keir



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