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Subject: Re: [Qemu-devel] [PATCH v2 1/1] pc-dimm: Change PCDIMMDevice->node
 from UINT32 to INT32, and initialize it as -1.
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To: Andrey Korolyov <andrey@xdel.ru>
Cc: peter.crosthwaite@xilinx.com, ehabkost@redhat.com, "Michael S. Tsirkin" <mst@redhat.com>, hutao@cn.fujitsu.com, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, tangchen@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, Paolo Bonzini <pbonzini@redhat.com>, Igor Mammedov <imammedo@redhat.com>


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.