| To: | Andre Przywara <andre.przywara@xxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 2/4] [HVM] introduce CPU affinity for allocate_physmap call |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | 2007年8月15日 11:43:12 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | 2007年8月15日 03:43:58 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH 2/4] [HVM] introduce CPU affinity for allocate_physmap call |
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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
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