Re: [PATCH v3 2/4] genirq: Inform handler about line sharing state

Thomas Gleixner
2010-12-15T16:02:57Z

On Wed, 15 Dec 2010, Jan Kiszka wrote:
> Am 15.12.2010 16:41, Thomas Gleixner wrote:
> > Talking about headache. Your solution above does not prevent that
> > scenario.
> >
> > CPU 0 CPU 1
> >
> > synchronize_irq();
> > hard irq comes in sees shared and unmasks
>
> Nope, IRQ_ONESHOT is already cleared at that point.

Errm ? It's set. Could you please stop to increase my confusion ? :)