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RE: Ownership of machine pages: Was: [Xen-devel] Essay on an important Xen decision (long)
If the Xen drivers are rewritten to be more generic
(e.g. to handle more
than just p2m), I agree that xenidc should be seriously
considered.
I think the most serious impediment to acceptance of
xenidc is
fear of breaking drivers (blk and net) that are already
stable.
My two cents...
Dan
Sorry, if I missed something. But I did not read any discussion on
Harry Butterworth's idea of generic memory management API (xenidc and USB
driver).
My experience is not enough to comment on this topic, but I
would like to understand these design decisions. As far as I know, generic
API's that provide proper abstractions prove useful (e.g. Linux VirtualFS).
There are counter arguments to it (performance degradation mainly / wrong
abstractions). But I didn't find any comments on the xenidc API
approach.
Apart from that, thanks for elaborate description of some key
concepts.
Jayesh
On 1/12/06, James
Bulpin <james@xxxxxxxxxxxxx> wrote:
Magenheimer,
Dan (HP Labs Fort Collins) wrote:
> (Sorry again for the late and
off-thread reply... even though
> your message is addressed to me
personally, to xen-devel,
> and to xen-ia64-devel, I didn't get a copy
and just saw it
> in xen-devel which I only receive
digested. Some strangeness
> in the mailing list nodupe
feature maybe? James cc'ed....)
If you were on the
recipient list of the original mail from Keir then
that should have gone
directly to you without passing anywhere near the
list server, if you
didn't get that then it's a problem with mail
servers at your or Keir's
end. If you've got nodupe set for
xen-ia64-devel then your address being
on the message means that you
won't get the message via the list. You
still get the message on the
xen-devel digest because nodupe doesn't
apply (or make sense) to
digests.
Cheers,
James
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Jayesh
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