[Xen-users] Windows and Multiple CPUS?

["Andrew Lyon" <andrew.lyon@xxxxxxxxx>]

Hi,

Am I correct in thinking that when Xen is running on a multi-core /
smp system and several cpus are assigned to a VM they are "presented"
as multiple single core cpus rather than 1 or more multi-core cpus?

Microsoft CPU limits are for physical sockets, not cores.

Windows XP and Vista are limited to two physical cpus, running under
Xen the maximum cpus I have seen in task manager and system properties
is 2, although device manager shows all of the assigned cpus (up to
8).

Windows 2003 and 2008 standard edition are limited to 4 cpus, which is
the limit I find under Xen, again device manager shows all assigned
cpus (up to 8).

Is there any way to make windows see the cpus as multi-core so that
all 8 cores can be used ?

Andy

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