Re: task isolation discussion at Linux Plumbers

[Will Deacon]

On Mon, Nov 07, 2016 at 02:12:13PM -0500, Rik van Riel wrote:
> On Mon, 2016-11-07 at 19:36 +0100, Thomas Gleixner wrote:
> > On Mon, 7 Nov 2016, Thomas Gleixner wrote:
> > > 
> > > > 
> > > > == Missing oneshot_stopped callbacks ==
> > > > 
> > > > I raised the issue that various clock_event_device sources don't
> > > > always support oneshot_stopped, which can cause an additional
> > > > final interrupt to occur after the timer infrastructure believes
> > > > the
> > > > interrupt has been stopped.  I have patches to fix this for tile
> > > > and
> > > > arm64 in my patch series; Thomas volunteered to look at adding
> > > > equivalent support for x86.
> > > 
> > > Right.
> > 
> > Untested patch below should fix that.
> > 
> 
> That whitespace cleanup looks awesome, but I am not
> optimistic about its chances to bring about functional
> change.
> 
> What am I overlooking?

It hooks up .set_state_oneshot_stopped?

Will