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Date: Fri, 05 Jun 2009 16:16:15 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] IRQ-Latency when in idle State on ARM
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To: Karl Tyss <tyss.k@domain.hid>
Cc: xenomai@xenomai.org

Karl Tyss wrote:
> Hi,
> 
> 5 minutes ago I found out that one of the caches definately has to
> cause the problem. I believe I would have to spent couple of more days
> to find out why. 
> 
> Your hint was a bulls eye. I tried a dirty trick and commented out the
> two lines responsible for disabling the I-cache.  It helped. I wonder if
> it leads to other problems. I will test it and post my results.
> 
> Thank you both for the quick and productive help.

In my understanding, Icache can not be disabled using kernel
configuration options on 926, the only thing that can be done for a 926
 is to set the Dcache to writethrough mode. How did you manage to
disable the caches ?

-- 
					    Gilles.