Re: [tip: core/rcu] rcu: Enable tick for nohz_full CPUs slow to provide expedited QS

From: Paul E. McKenney
Date: Sat Jan 25 2020 - 20:45:52 EST


On Sat, Jan 25, 2020 at 11:48:46AM -0800, Paul E. McKenney wrote:
> On Sat, Jan 25, 2020 at 06:54:42PM +0100, Borislav Petkov wrote:
> > On Sat, Jan 25, 2020 at 08:10:50AM -0800, Paul E. McKenney wrote:

[ . . . ]

> > > So could you please try out the (untested) patch below?
> >
> > Warning's gone.
>
> Very good. I will get it property prepared and tested, then send it
> along to Ingo.

And it passes my rcutorture testing as well! If it does fine with 0day
and -next, I will send a pull request Sunday evening, Pacific Time.
In the meantime, it is right here in -rcu:

59d8cc6b2e37 ("rcu: Forgive slow expedited grace periods at boot time")

Thanx, Paul