[Xen-cim] RE: Removing pcpus from the scheduling pool

["Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>]

Keir,
> >> * Support for ResourcePoolConfigurationService on some pool types, 
> >> e.g. ProcessorPool.This functionality will support for example 
> >> removing PCPUs from the pool and dedicate to management 
> domain, thus 
> >> restricting set of PCPUs available for consumption by VMs. 
>  Does xen
> > support
> >> this?  Can we mask PCPUs such that they are not available to VMs?
> > End quote.
> > 
> > What needs to be done to add this functionality to the current 
> > scheduler?
> 
> The scheduler supports this already: it will simply be 
> necessary to remove the PCPUs removed from the pool from 
> every domain's affinity map. All this requires is for the 
> tool stack on the box to remember which PCPUS are in the pool 
> and apply that as a mask to the affinity map of every guest.
Thanks.
That should solve it.

Raj

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