Re: [patch] voluntary-preempt-2.6.8.1-P1

Ingo Molnar
2004-08-16T05:01:55Z

* Lee Revell <rlrevell@joe-job.com> wrote:

> > + touch_preempt_timing();
> > while ((readb(ioaddr + MIICmd) & 0x40) && --boguscnt > 0)
> > ;
> > + touch_preempt_timing();
> >
> > assuming that the latencies still show up even if delimited like this.
> > (note that this only changes the way the latency is tracked - the
> > latency itself is still there so this isnt a fix.)
> >
>
> Sure, but, what would this accomplish, if the latency is still there?
> Are we just trying to track down exactly where in the network driver
> this is triggered?

yeah. If it's the first chunk then we could perhaps avoid it by doing it
outside of the lock.

Ingo