Re: [PATCH]O18.1int

Måns Rullgård
2003-08-25T11:59:33Z

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.

OK, but it somehow made XEmacs behave badly.

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Måns Rullgård
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