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authorDavid S. Miller <davem@davemloft.net>2009-08-21 16:33:34 -0700
committerDavid S. Miller <davem@davemloft.net>2009-08-22 18:09:17 -0700
commitee5f9757ea17759e1ce5503bdae2b07e48e32af9 (patch)
tree0625fdaf307890a0875981d28ecb77e7ddd96143
parent649bf17829d087f83754e2a8161e094a167ce3d3 (diff)
pkt_sched: Convert qdisc_watchdog to tasklet_hrtimer
None of this stuff should execute in hw IRQ context, therefore use a tasklet_hrtimer so that it runs in softirq context. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--include/net/pkt_sched.h4
-rw-r--r--net/sched/sch_api.c8
2 files changed, 6 insertions, 6 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 82a3191375f..7eafb8d5447 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -61,8 +61,8 @@ psched_tdiff_bounded(psched_time_t tv1, psched_time_t tv2, psched_time_t bound)
}
struct qdisc_watchdog {
- struct hrtimer timer;
- struct Qdisc *qdisc;
+ struct tasklet_hrtimer timer;
+ struct Qdisc *qdisc;
};
extern void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 24d17ce9c29..e1c2bf7e9ba 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -468,8 +468,8 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc)
{
- hrtimer_init(&wd->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
- wd->timer.function = qdisc_watchdog;
+ tasklet_hrtimer_init(&wd->timer, qdisc_watchdog,
+ CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
wd->qdisc = qdisc;
}
EXPORT_SYMBOL(qdisc_watchdog_init);
@@ -485,13 +485,13 @@ void qdisc_watchdog_schedule(struct qdisc_watchdog *wd, psched_time_t expires)
wd->qdisc->flags |= TCQ_F_THROTTLED;
time = ktime_set(0, 0);
time = ktime_add_ns(time, PSCHED_TICKS2NS(expires));
- hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
+ tasklet_hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
}
EXPORT_SYMBOL(qdisc_watchdog_schedule);
void qdisc_watchdog_cancel(struct qdisc_watchdog *wd)
{
- hrtimer_cancel(&wd->timer);
+ tasklet_hrtimer_cancel(&wd->timer);
wd->qdisc->flags &= ~TCQ_F_THROTTLED;
}
EXPORT_SYMBOL(qdisc_watchdog_cancel);