Re: [PATCH tip/core/rcu 0/6] Dynticks updates for 4.11

From: Josh Triplett
Date: Mon Jan 16 2017 - 02:50:32 EST


On Sat, Jan 14, 2017 at 12:54:06AM -0800, Paul E. McKenney wrote:
> Hello!
>
> This series provides dynticks updates:
>
> 1-4. Abstract access to the dyntick counter, replacing the current
> open-coding of atomic operations.
>
> 5. Check cond_resched_rcu_qs() state less often to reduce GP overhead.
>
> 6. Adjust FQS offline checks for exact online-CPU detection.

I replied to patches 1 and 3 with feedback. For patches 2 and 4-6:
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

> Thanx, Paul
>
> ------------------------------------------------------------------------
>
> include/linux/rcutiny.h | 6 +
> include/trace/events/rcu.h | 10 -
> kernel/rcu/tree.c | 245 +++++++++++++++++++++++++++++++--------------
> kernel/rcu/tree.h | 2
> kernel/rcu/tree_exp.h | 12 --
> kernel/rcu/tree_plugin.h | 2
> kernel/rcu/tree_trace.c | 2
> 7 files changed, 190 insertions(+), 89 deletions(-)
>