Re: [Xen-devel] [PATCH 2/4] [HVM] introduce CPU affinity for allocate_physmap call

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 15/8/07 11:13, "Andre Przywara" <andre.przywara@xxxxxxx> wrote:

>> I think we should add topology discovery hypercalls. Xen needs to know this
>> stuff anyway, so we just provide a mechanism for guests to extract it. An
>> alternative is to start exporting virtual ACPI tables to PV guests.
> I will look at this next. The HVM approach seemed to be easier from my
> POV, but this NUMA propagation is also benefical for PV guests. Maybe
> one should solve the whole NUMA-ballooning issue while looking at this.

Topology discovery hypercalls are the way to go imo. And to fix ballooking
it's just going to have to become numa-aware, by hooking into whatever numa
apis Linux provides internally.

 -- Keir


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel