Xen devel - Apr 2006 - RE: Does dom0 see all physical processors? (RE: [Xen-ia64-devel] SAL INFO virtualization)

>From: Keir Fraser [mailto:Keir.Fraser@cl.cam.ac.uk]
>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

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