Messages in this thread | | | Date | Wed, 29 Jun 2005 09:43:39 +0200 | From | Ingo Molnar <> | Subject | Re: PREEMPT_RT & threading IRQ 0 |
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* Lee Revell <rlrevell@joe-job.com> 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.
the jury is still out on that one - but right now it seems it's too much complexity for a handful of usecs of latency improvement. Especially with things like high-resolution timer support, the threading IRQ0 doesnt seem to be worth it.
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