Re: [Xen-devel] latest USB code including Xenidc documentation

[Harry Butterworth <harry@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

On Sat, 2005-12-17 at 10:16 +0200, Muli Ben-Yehuda wrote:

> > Do you think it's worthwhile to try
> > to achieve a high level inter-domain communication API which allows
> > different split drivers to reuse the channel set-up, messaging,
> > interrupt handling, flow-control and bulk data transfer code?
> 
> Yes. But I'd like to see it developed and integrated piece by piece,
> as a natural evolution of the existing code.

If you churn the existing code by integrating a lot of incremental
changes across all the drivers it may introduce significant instability
and prevent other development from proceeding.  An alternative approach
would be to provide the infrastructure on the side and port the drivers
to it one by one.  That way the old and new versions of drivers could
coexist in the tree which would allow other developers to use the old,
stable set until the new ones were finished.

Just a thought.

-- 
Harry Butterworth <harry@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>


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