On Wednesday 05 July 2006 8:30 am, Christopher Montgomery wrote:

> /**************************** the two lines below 
> *****************************/
> 
>                               intr_deschedule (ehci, qh);
>                               (void) periodic_qh_schedule (ehci, qh);
> ...
> 
> It is tearing down the hardware schedule [and in my new scheduler,
> also the shadow budget] for the given endpoint.  The computation of
> the schedule/budget is expensive.

So you've made what was previously a cheap qh_schedule() call become
something expensive ... why?  Simpler to ensure that's still cheap.
(Current code has no periodic_qh_schedule method...)

- Dave

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