Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24

Ingo Molnar
2005-07-12T14:04:07Z

* Karsten Wiese <annabellesgarden@yahoo.de> wrote:

> Hi Ingo
>
> I've refined io_apic.c a little more:

great. I've applied these changes and have released the -28 patch. (note
that the last chunk of your patch was malformed, have applied it by
hand.)

i'm wondering what your thoughts are about IOAPIC_POSTFLUSH - i had to
turn it on unconditionally again, to get rid of spurious interrupts and
outright interrupt storms (and resulting lockups) on some systems.
IOAPIC_POSTFLUSH is now causing much of the IO-APIC related IRQ handling
overhead.

Ingo