On Wed, 16 Oct 2013, Dan Streetman wrote:

> On Wed, Oct 16, 2013 at 10:34 AM, Alan Stern <[email protected]> 
> wrote:
> > On Tue, 15 Oct 2013, Dan Streetman wrote:
> >
> >> This removes the old EHCI transaction translator scheduling code,
> >> leaving only the "new" (now over 7 years old) scheduling code.
> >
> > I'm not so sure it's a good idea to do this now.  I rather suspect
> > there are people who still do use the "old" scheduler.
> 
> Really?  I thought the new scheduler works pretty well by now...it's
> the default config in at least some, if not most, distros...

It would be more accurate to say that the new scheduler works sort of 
okay most of the time.  I would hope that most distros make it the 
default; it is more capable than the old scheduler.

Still, some people are very conservative.  And it's possible that some 
situations are handled better by the old scheduler than the new one 
(although I can't think of any offhand).

> > Until the "new" scheduler is fixed up to work properly, I prefer to
> > keep both options available.
> 
> Ok, no hurry.  With the work you've done on it before and the new
> stuff in usb-next it should be working very well soon :-)

Dear me, no...  The changes I have made so far amount to perhaps 25% of
the work needed to make it truly reliable.  It has so many bugs, I
wouldn't even try to list them all.

Alan Stern

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