Re: PREEMPT_RT vs I-PIPE: the numbers, part 2

From: Karim Yaghmour
Date: Wed Jun 22 2005 - 12:29:11 EST

Lee Revell wrote:
> Ingo, what's the status of putting irq 0 back in a thread with
> PREEMPT_RT? IIRC this had some adverse (maybe unfixable?) effects so it
> was disabled a few months ago.
> I don't think there's much point in comparing i-pipe to PREEMPT_RT if we
> know that 21usec pipeline effect from the timer IRQ (see list archives)
> is still there.

A link to the archives somewhere would be greatly appreciated, this is
a very high traffic list after all...


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