Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.51-08

Ingo Molnar
2005-07-08T09:29:47Z

* Ingo Molnar <mingo@elte.hu> wrote:

> > -51-06 and -51-08 are looking stable on the UP Athlon box with the
> > following patch which causes edge triggered hardirqs to be masked when
> > pending _and/or_ disabled (instead of both pending _and_ disabled) and
> > backs out a change from -50-44 that prevents pending edge triggered
> > irqs from being unmasked:
>
> ok, you are right, the edge case was mishandled - but i think it was
> already mishandled upstream, we just never (or rarely) triggered it.
> I've reworked this area based on your patch, could you check -51-15,
> does it work for you?

if it doesnt work, could you disable CONFIG_X86_IOAPIC_FAST?

Ingo