On Sun, Aug 20, 2017 at 02:45:53PM +1000, Nicholas Piggin wrote:
> On Wed, 16 Aug 2017 09:27:31 -0700
> "Paul E. McKenney" <paul...@linux.vnet.ibm.com> wrote:
> > On Wed, Aug 16, 2017 at 05:56:17AM -0700, Paul E. McKenney wrote:
> >
> > Thomas, John, am I misinterpreting the timer trace event messages?
>
> So I did some digging, and what you find is that rcu_sched seems to do a
> simple scheudle_timeout(1) and just goes out to lunch for many seconds.
> The process_timeout timer never fires (when it finally does wake after
> one of these events, it usually removes the timer with del_timer_sync).
>
> So this patch seems to fix it. Testing, comments welcome.
Fired up some tests, which should complete in about 12 hours.
Here is hoping! ;-)
Thanx, Paul
