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

[Ingo Molnar]

* Karsten Wiese <annabellesgarden@xxxxxxxx> 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
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