Re: Ingo's realtime_preempt patch causes kernel oops

[Sven-Thorsten Dietrich]

On Wed, 2006-05-24 at 15:13 +0200, Thomas Gleixner wrote:
> 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.
> 

Would IRQs stay masked until the thread has finished running?

Sven



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