Re: [patch 1/1] genirq: Disable interrupts for force threaded handlers

From: Sebastian Andrzej Siewior
Date: Thu Mar 18 2021 - 04:52:46 EST


On 2021-03-17 17:23:39 [+0100], Johan Hovold wrote:
> > > thread(irq_A)
> > > irq_handler(A)
> > > spin_lock(&foo->lock);
> > >
> > > interrupt(irq_B)
> > > irq_handler(B)
> > > spin_lock(&foo->lock);
> >
> > It will not because both threads will wake_up(thread).
>
> Note that the above says "interrupt(irq_B)" suggesting it's a
> non-threaded interrupt unlike irq_A.

I missed that bit, thanks.

Sebastian