Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c95e9395 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[NET_SCHED]: qdisc: remove unnecessary memory barriers 



We're holding dev->queue_lock in qdisc_watchdog_schedule and
qdisc_watchdog_cancel, no need for the barriers.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a48b5a61

net/sched/sch_api.c

+0 −2
Original line number Diff line number Diff line
@@ -322,7 +322,6 @@ void qdisc_watchdog_schedule(struct qdisc_watchdog *wd, psched_time_t expires) 
	ktime_t time;



	wd->qdisc->flags |= TCQ_F_THROTTLED;

	smp_wmb();

	time = ktime_set(0, 0);

	time = ktime_add_ns(time, PSCHED_US2NS(expires));

	hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
@@ -333,7 +332,6 @@ void qdisc_watchdog_cancel(struct qdisc_watchdog *wd) 
{

	hrtimer_cancel(&wd->timer);

	wd->qdisc->flags &= ~TCQ_F_THROTTLED;

	smp_wmb();

}

EXPORT_SYMBOL(qdisc_watchdog_cancel);