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" <paulmck@xxxxxxxxxxxxxxxxxx> 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 -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html