On 06/23/09 15:41, Benjamin Herrenschmidt wrote:
>> Do you have any other cases in mind where it would be helpful?
>>
>
> Well, it might be for virtual device discovery etc... but don't bother
> now. We might talk about it at KS for those interested. It's more
> something we see as useful for embedded archs at the moment but in the
> long run it might make sense for hypervisors as well.
>
Perhaps. We have Xenbus - which is a little bit like OF in that it has
data in a hierarchical namespace - and I guess it might be possible to
find a mapping onto some generic OF-like interface. However, Xenbus is
an active communication channel between virtual machines rather than a
static representation of a machine configuration (for example, you can
put a watch on a particular path to get a notification of when someone
else changes it).
But, yes, this is a good KS hallway track subject.
J
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