Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c95e939508e64863a1c5c73a9e1a908784e06820
Commit:     c95e939508e64863a1c5c73a9e1a908784e06820
Parent:     a48b5a61448899040dfbd2e0cd55b06a2bd2466c
Author:     Patrick McHardy <[EMAIL PROTECTED]>
AuthorDate: Fri Mar 23 11:30:04 2007 -0700
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Apr 25 22:27:58 2007 -0700

    [NET_SCHED]: qdisc: remove unnecessary memory barriers
    
    We're holding dev->queue_lock in qdisc_watchdog_schedule and
    qdisc_watchdog_cancel, no need for the barriers.
    
    Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 net/sched/sch_api.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 5b5bce0..2e863bd 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -322,7 +322,6 @@ 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);
@@ -333,7 +332,6 @@ 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);
 
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