RE: [Xen-ia64-devel][PATCH] Enable SMP on VTI domain.

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

>From: Tristan Gingold 
>Sent: 2006年5月31日 20:04
>To: Xu, Anthony; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-ia64-devel][PATCH] Enable SMP on VTI domain.
>
>Le Mercredi 31 Mai 2006 13:43, Xu, Anthony a écrit :
>> From: Tristan Gingold [mailto:Tristan.Gingold@xxxxxxxx]
>[...]
>> >> Another concern is,
>> >> If SMP guest is running on a UP platform, vcpus may have same vcpuid.
>> >
>> >Why ?  IMHO this can never happen.
>>
>> There are 4 LP on my box, if I want to boot a domU with 6 vcpus,
>> Can this domU boot?
>[ I have never tried, but here is my understanding:]
>Sure.  You can create more vcpus than existing cpus.  Of course, you can't run
>6 vcpus simultaneously on 4 cpus!
If the lid of vcpus is extracted from machine lid, there are at least two vcpus
whose lids are same, which may make guest OS confused.
>
>Tristan.

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