Messages in this thread |  | | | Date | Tue, 9 Aug 2011 11:50:14 -0400 | | From | Konrad Rzeszutek Wilk <> | | Subject | Re: [PATCH] xen: modify kernel mappings corresponding to granted pages |
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> > So I hadn't looked at this in detail, but I wonder if we can use the > > MULTIcall for this? It looks like we need to do two hypercalls so why > > not batch it? > > That was going to be my next question. We should definitely batch these > if possible. > > > And while we are it - we could change the MMU ops to only do this on > > initial domain and for the domU case do the old mechanism? > > We need this in domU for driver domains and the like, don't we?
Sure, but I believe the majority of domU domains would not require this.
I was thinking that when we start playing with the device/driver domains we would want to escalate the privilige level (or perhaps not)? Or perhaps introcuce a new type - "if (xen_driver_domain())" to recognize that we are special ?
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