Re: [Xen-devel] [PATCH v3 0/1] Introduce VCPUOP_reset_vcpu_info

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.08.14 at 14:41, <david.vrabel@xxxxxxxxxx> wrote:
> If the domain has mapped granted pages then the new domain should not
> retain the mappings (otherwise you will end up with a domain having
> mappings of a grant that does not agree with the domain in the granter's
> grant table).

Of course.

> If the domain has granted pages, it should probably copy those pages and
> not reuse then (because updating the map tracking info is probably
> non-trivial).

I think grants should be dropped in any event (and if the tool stack
establishes any it should re-establish them). Those that have a
mapping elsewhere might indeed need to have their pages copied
if updating the maptrack is too cumbersome.

Jan


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