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Re: [Xen-devel] Running a VM with more than 4GB?
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Running a VM with more than 4GB? |
| From: | Tom Rotenberg <tom.rotenberg@xxxxxxxxx> |
| Date: | Sat, 24 Oct 2009 20:54:32 +0200 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Sat, 24 Oct 2009 11:54:57 -0700 |
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Sounds great... so, it should work out of the box, right? (I still haven't tested it, as i need to get me a physical machine with enough amount of RAM) On Sat, Oct 24, 2009 at 8:20 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote: > 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 > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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