Re: [Xen-devel] Re: usbback cleanup code

["M.A. Williamson" <maw48@xxxxxxxxx>]

Harry,

I was able to do a little review of the patch a while back but never had to 
time finish looking through it properly. It looked much closer to 
mergeable, but there still seemed to be quite a lot of abstraction code. I 
think in general, folks were hoping to see a minimum amount of abstraction 
code with the USB driver instead using the driver APIs correctly.
If you don't want to do any more work on it, then maybe it would make a 
good project for somebody. Since the existing code is known to work, and 
has indentified a number of interesting corner cases this shouldn't be too 
hard. If anyone's interested, it'd require you to develop a knowledge of 
the USB protocols, the Linux USB stack, and the Xen driver APIs. The task 
would be a combination of refactoring existing code to satisfy merge 
review, restoring isochronous support (this is still broken, right? Should 
be possible to implement some of the original code to get it up and running 
again), optimising performance and testing with real devices.
Cheers,
Mark

On May 1 2006, Harry Butterworth wrote:

> I haven't done any more work on the USB code since the last patch I
> posted to xen-devel.  There wasn't any feedback and it wasn't committed.
> I think people were too busy with the release.
>
> I have stopped working on USB.  I have done several versions now with no
> success at getting it merged.  I think it will be easier to see what is
> required once there are some examples of drivers that have been merged
> with Linux.
>
> On Sat, 2006-04-29 at 19:43 +0000, sanjay kumar wrote:
> > Hi Harry,
> > Do you know by what time the USB virtualization code will be commited
> > in the xen-unstable tree?
> >
> > Thanks,
> > Sanjay
> >
> > On 4/3/06, Harry Butterworth <harry@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > wrote: 
> >         The code is supposed to work with isochronous devices but it's
> >         untested
> >         so probably doesn't. 
> >         
> >         Harry.
> >         
> >         
> >
> >
> > --
> > ----------------------
> > PhD Student, Georgia Tech
> > http://www.cc.gatech.edu/~ksanjay/
>
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