From: Paolo Abeni <>
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.

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