Re: [PATCH PREEMPT_RT]: On AT91 ARM: GPIO Interrupt handlingcan/will stall forever

From: Daniel Walker
Date: Tue Nov 27 2007 - 10:33:26 EST


On Tue, 2007-11-27 at 10:11 -0500, Steven Rostedt wrote:
> Thomas,
>
> Can you ACK or NACK this patch. I know you play with a bunch of
> hardware that this patch may affect.
>

My two cents, I think it's needed (or something like it).. It looks like
handle_simple_irq normally expects a custom cascade type handler to
unmask on return. When you switch to a threaded handler the cascade
handler is gone and can't unmask..

Daniel

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