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[NET_SCHED]: qdisc: remove unnecessary memory barriers

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

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-03-23 11:30:04 -07:00 • committed by David S. Miller
parent a48b5a6144
commit c95e939508
1 changed files with 0 additions and 2 deletions
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2
net/sched/sch_api.c
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@ -322,7 +322,6 @@ void qdisc_watchdog_schedule(struct qdisc_watchdog *wd, psched_time_t expires)
ktime_t time; ktime_t time;
wd->qdisc->flags |= TCQ_F_THROTTLED; wd->qdisc->flags |= TCQ_F_THROTTLED;
smp_wmb();
time = ktime_set(0, 0); time = ktime_set(0, 0);
time = ktime_add_ns(time, PSCHED_US2NS(expires)); time = ktime_add_ns(time, PSCHED_US2NS(expires));
hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS); hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
@ -333,7 +332,6 @@ void qdisc_watchdog_cancel(struct qdisc_watchdog *wd)
{ {
hrtimer_cancel(&wd->timer); hrtimer_cancel(&wd->timer);
wd->qdisc->flags &= ~TCQ_F_THROTTLED; wd->qdisc->flags &= ~TCQ_F_THROTTLED;
smp_wmb();
} }
EXPORT_SYMBOL(qdisc_watchdog_cancel); EXPORT_SYMBOL(qdisc_watchdog_cancel);