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Subject: Re: 2.6.28-rt on PowerPC
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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> Actually, it doesn't matter whether a controller is a root IC or
> cascaded. Just as primary handlers, chained handlers don't run in
> threads, thus spinlocks should be used, not sleeping locks.

Sounds good then.

Cheers,
Ben.