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RE: [Xen-devel] Does dom0 see all physical processors? (RE: [Xen-ia64-de
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] Does dom0 see all physical processors? (RE: [Xen-ia64-devel] SAL INFO virtualization) |
| From: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
| Date: | Tue, 4 Apr 2006 15:40:34 +0800 |
| Cc: | "Magenheimer, Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx>, Tristan Gingold <Tristan.Gingold@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 04 Apr 2006 00:41:36 -0700 |
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| Thread-index: | AcZXuYRZBCMKWch8TC+9R8YpGU2bqwAAL58g |
| Thread-topic: | [Xen-devel] Does dom0 see all physical processors? (RE: [Xen-ia64-devel] SAL INFO virtualization) |
>From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] >Sent: 2006年4月4日 15:26 > > >On 4 Apr 2006, at 03:17, Tian, Kevin wrote: > >> >> Then consider your question about a large box with many processors. >> How about the real environment? Is it the case to provide a 16-way >SMP >> box, or a 16-way NUMA box? I prefer to the latter. If it's a NUMA box, >> dom0 sees physical ACPI table and can be configured as NUMA >aware. > >This is a model we must support if we are to have domain0 handle other >processor-related ACPI activities (e.g., power management). The power >information and available settings won't make much sense to the user >unless there's an equivalence between VCPUs and PCPUs for domain0. > > -- Keir Yes, and thanks for making it clearer. (Originally I only came up performance reason for this model.) Thanks, Kevin _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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