[Xen-devel] Re: max vcpus in dom0

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Mukesh Rathor  04/27/10 4:20 AM >>>
>Looking at a bug where dom0 is crashing coming up with more than 32
>vcpus, the problem happens trying to initialize 32nd vcpu. I see
>the shared info is limited to 32vcpus, implying we'd have a hard limit
>of 32 vcpus in dom0, correct? 

That's the legacy limit, yes. Any attempt to go beyond 32 CPUs requires
the kernel to use the per-vCPU-info-placement hypercall prior to bringing
up those vCPU-s.

Jan


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