Re: cpu stopper threads and load balancing leads to deadlock

[Paul E. McKenney]

On Thu, May 03, 2018 at 07:54:56PM +0200, Peter Zijlstra wrote:
> On Thu, May 03, 2018 at 10:18:50AM -0700, Paul E. McKenney wrote:
> > > +	if (per_cpu(rcu_cpu_started, cpu))
> > 
> > I would log a non-splat dmesg the first time this happened, just for my
> > future sanity, but otherwise looks fine.  I am a bit concerned about
> > calls to rcu_cpu_starting() getting sprinkled all through the code.
> > Or am I being excessively paranoid?
> 
> Don't think so, but lets first see if this at all works. If not we'll
> need to figure out something else anyway.

Works for me!

							Thanx, Paul