From: Paolo Abeni <pab...@redhat.com>
Date: Tue, 15 May 2018 16:24:35 +0200
> With the introduction of NOLOCK qdiscs, pfifo_fast performances in the
> uncontended scenario degraded measurably, especially after the commit
> eb82a9944792 ("net: sched, fix OOO packets with pfifo_fast").
>
> This series restore the pfifo_fast performances in such scenario back the
> previous level, mainly reducing the number of atomic operations required to
> perform the qdisc_run() call. Even performances in the contended scenario
> increase measurably.
>
> Note: This series is on top of:
>
> sched: manipulate __QDISC_STATE_RUNNING in qdisc_run_* helpers
Series applied, thank you.
