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Re: [Xen-devel] [0/3] DomGrp/SchedGrp Merge RFC

Keir Fraser, le Wed 06 Feb 2008 10:37:37 +0000, a écrit :
> On 6/2/08 10:27, "Samuel Thibault" <samuel.thibault@xxxxxxxxxxxxx> wrote:
> >> I'm driven by concrete use cases. Several of the upcoming uses you mention
> >> need careful consideration of what they are useful for, to determine the
> >> best way to design them into the system. Take resource sharing. Stub 
> >> domains
> >> sharing scheduler credits with the HVM guest is a rather special case, and
> >> one where a master/slave relationship is not unreasonable (and hence in 
> >> this
> >> case I think it is arguable whether it is actually a good fit with domgrps
> >> after all).
> > 
> > Actually, in my former research team in Bordeaux, they would like to
> > write a small domain that computes the scheduling of a bunch of others,
> > for parallel scientific computing.
> Well that sounds plausible, but I'm not sure how resource pools or domgrps
> would help with that. It sounds like a delegation mechanism (of privilege
> and/or resource) would be more appropriate.

Sure, delegation will be needed, but there needs to be a way to specify
which domains that scheduler has control on.


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