Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [PATCH]O18.1int | Date | Mon, 25 Aug 2003 21:37:06 +1000 |
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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
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