>
> Most paravirtual devices use atomic operations (or even just raw memory
> accesses and memory barriers), which don't need any special
> infrastructure.  This effectively makes them message-passing protocols
> rather than shared memory protocol.  I can't see offhand why sharing
> data structures would bring a great improvement, but maybe I'm tied to
> the old way of thinking.
>

One of the uses of kshmem/ACE will be an implementation of a message
passing technique that I hope to be quite general. Since this appears to
be a common technique then maybe there is nothing new in what I've done
which may make it redundant or may be a real contribution if it is more
general then current techniques.

Where might I find the current implementations of the PV devices?

Wink Saville

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