Re: There is a Tasks RCU stall warning

[Steven Rostedt]

On Wed, 12 Apr 2017 10:07:16 -0700
"Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote:


> > > OK, will optimize it a bit.  When are you planning to get this in?
> > >   
> > 
> > Well, I added the use case for synchronize_rcu_tasks() in my current
> > for-next. I'll have to make sure I get the schedule_idle() in as well
> > as my update to the event benchmark thread as well.
> > 
> > I don't think anything will truly break without it yet. But that's
> > assuming there's not another kernel thread somewhere that just spins
> > calling schedule.
> > 
> > And this patch will still speed up those that do call
> > synchronize_rcu_tasks(). But that's an optimization and not really a
> > fix.  
> 
> The upcoming v4.12 merge window, then?

Yep.

-- Steve