Re: [Qemu-devel] [PATCH v2 1/1] pc-dimm: Change PCDIMMDevice->node from UINT32 to INT32, and initialize it as -1.

[tangchen]

On 08/26/2014 10:24 PM, Andrey Korolyov wrote:
> ......
> Just to remind - Windows will not add pc dimms without populated SRAT,
> so imho forcing NUMA topology to be set (and whose support is required
> anyway from guest linux kernel in order to support ACPI hotplug) is
> better than approach proposed by this patch.
> .
Hi Andrey,

Sorry, I don't quite understand. If Windows won't add pc-dimm without SRAT,
why is this approach not enough ?  If there is no SRAT, there is no NUMA 
topology.
Why do we need to set a NUMA topology ?

Thanks.