Messages in this thread | | | Date | Sun, 12 Jun 2005 08:26:27 -0700 (PDT) | From | Daniel Walker <> | Subject | Re: PREEMPT_RT vs ADEOS: the numbers, part 1 |
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On Sun, 12 Jun 2005, Ingo Molnar wrote:
> ok, this method should work fine. I suspect you increased the parport > IRQ's priority to the maximum on the PREEMPT_RT kernel, correct? Was > there any userspace thread on the target system (receiving the parport > request and sending the reply), or was it all done in a kernelspace > parport driver?
Whatever interrupt is used should be SA_NODELAY if you want maximum response. The interrupt would need to be validated though , not to lock mutexes.
Daniel
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