Re: Question on threaded handlers for managed interrupts

[John Garry]

+

Hi Thomas,

On 23/04/2021 14:01, Thomas Gleixner wrote:
> On Fri, Apr 23 2021 at 12:50, Thomas Gleixner wrote:
> > On Thu, Apr 22 2021 at 17:10, John Garry wrote:
> > OTOH, the way how you splitted the handling into hard/thread context
> > provides already the base for this.
> >
> > The missing piece is infrastructure at the irq/scheduler core level to
> > handle this transparently.
> >
> > I have some horrible ideas how to solve that, but I'm sure the scheduler
> > wizards can come up with a reasonable and generic solution.

JFYI, A performance-related fix was recently added in the block layer, 
and I can no longer reproduce this hang.

But I have no reason to say that it no longer exists.

Thanks,
John