Richard Cochran wrote:
> On Wed, Mar 02, 2011 at 04:26:46PM +0100, Gilles Chanteperdrix wrote:
>> Richard Cochran wrote:
>>> If so, where/how can I start to get working on fixing it?
>>>
>>> (I don't need the MSI in a rtdm or adeos context.)
>> Given that the problem is that the interrupt controller ack/mask
>> functions (if I recall correctly) need, on x86, to use some Linux
>> primitives which can not be called from Xenomai domain, I am not sure it
>> is easy to fix. And the fact that you do not need the MSI in Xenomai
>> domain does not change anything, since ack/mask routines are called
>> ahead of the pipeline anyway.
>
> Okay, but how about on PowerPC, can I get to work there?
I do not think powerpc has the same issue. Check that you do not have an
edge/level issue (MSI are edge triggered I think).
--
Gilles.
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