From ee5f9757ea17759e1ce5503bdae2b07e48e32af9 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Fri, 21 Aug 2009 16:33:34 -0700
Subject: [PATCH] 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>
---
include/net/pkt_sched.h | 4 ++--
net/sched/sch_api.c | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 82a3191375f5..7eafb8d54470 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 24d17ce9c294..e1c2bf7e9ba4 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);
--
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