[PATCH v9 4/5] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 30h-3fh) Processors v5

[Boris Ostrovsky]

On 11/28/2017 04:12 AM, Christian König wrote:
>
>
> How about the attached patch? It limits the newly added MMIO space to
> the upper 256GB of the address space. That should still be enough for
> most devices, but we avoid both issues with Xen dom0 as most likely
> problems with memory hotplug as well.

It certainly makes the problem to be less likely so I guess we could do
this for now.

Thanks.
-boris