X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=net%2Fsched%2Fsch_api.c;h=fcaa4adefc827d495d0f10958ec1a0868cbd1d53;hb=11274e5a43266d531140530adebead6903380caf;hp=b06f20294ac055cc83a6b42c4839b5c801a9fbf6;hpb=075aa573b74a732aeff487ab77d3fbd627c10856;p=karo-tx-linux.git

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index b06f20294ac0..fcaa4adefc82 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -298,6 +298,7 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
 						 timer);
 
 	wd->qdisc->flags &= ~TCQ_F_THROTTLED;
+	smp_wmb();
 	netif_schedule(wd->qdisc->dev);
 	return HRTIMER_NORESTART;
 }
@@ -315,6 +316,7 @@ 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);
@@ -325,6 +327,7 @@ 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);