diff options
| -rw-r--r-- | net/sched/sch_generic.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 4c75dbabd343..ed5b0e9fd395 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1212,8 +1212,13 @@ void dev_deactivate_many(struct list_head *head) /* Wait for outstanding qdisc_run calls. */ list_for_each_entry(dev, head, close_list) { - while (some_qdisc_is_busy(dev)) - yield(); + while (some_qdisc_is_busy(dev)) { + /* wait_event() would avoid this sleep-loop but would + * require expensive checks in the fast paths of packet + * processing which isn't worth it. + */ + schedule_timeout_uninterruptible(1); + } /* The new qdisc is assigned at this point so we can safely * unwind stale skb lists and qdisc statistics */ |