Re: [PATCH]O18.1int

Con Kolivas
2003-08-25T11:30:12Z

On Mon, 25 Aug 2003 21:15, Måns Rullgård wrote:
> Con Kolivas <kernel@kolivas.org> writes:
> >> Vanilla test1 has the spin effect. Test2 doesn't. I haven't tried
> >> vanilla test3 or test4. As I've said, the O16.2-O16.3 patch
> >> introduced the problem. With that patch reversed, everything is
> >> fine. What problem does that patch fix?
> >
> > It's a generic fix for priority inversion but it induces badness in smp,
> > and latency in task preemption on up so it's not suitable.
>
> Now I'm confused. If that patch is bad, then why is it in O18?

No, the 16.2 patch is bad. 16.3 backed it out.

Con