On Sun, Nov 09, 2014 at 03:24:34AM +0400, Alexander Monakov wrote: > On Sun, Nov 9, 2014 at 1:13 AM, Paul E. McKenney > <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > > > > Did anyone try replacing the synchronize_rcu() with > > synchronize_rcu_expedited()? That should provide substantial speedups > > over synchronize_rcu(). > > I've just briefly tested it on my laptop, and it also helps to avoid the issue. OK, good. In the past, synchronize_rcu_expedited() has been a bit unfriendly to battery-powered platforms and to real-time and HPC workloads, but recent changes for the most part fix this. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html