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Re: [Xen-devel] AMD GPU passthrough in Xen

On 09/22/2014 03:31 PM, Peter Kay wrote:

On 22 September 2014 13:38:28 BST, Sander Eikelenboom <linux@xxxxxxxxxxxxxx> 

Another interesting question/aspect would be qemu-traditional (with
rombios) or
"upstream" (with seabios) ?
Point, although I didn't think this was generally an option in 4.2?

Certainly I've found upstream to be functional (using a Quadro), but a less 
stable domU overall

Do you happen to know if the recent KVM/QEMU provides a feature to limit the amount of memory below 4GB to assign to the guest? Or provide a custom e820 map? To work around a hardware bug I have to somehow make sure that everything between 2.5GB and 4GB is reserved and untouchable.


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