Re: Ingo's realtime_preempt patch causes kernel oops

Thomas Gleixner
2006-05-24T13:12:47Z

On Wed, 2006-05-24 at 08:55 -0400, Steven Rostedt wrote:
> Thomas or Ingo,
>
> Maybe the handling of IRQs needs to handle the case that shared irq can
> have both a NODELAY and a thread. The irq descriptor could have a
> NODELAY set if any of the actions are NODELAY, but before calling the
> interrupt handler (in interrupt context), check if the action is NODELAY
> or not, and if not, wake up the thread if not done so already.

As I said yesterday. You need a demultiplexer for such cases.

tglx