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| author |   Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
| commit | 232a73dda2f2dba9002b727eb3ec76d82882b90c (patch) | |
| tree | 308cdeea9bf18de71af79dcd5a30a8f2be9af6da /net/sunrpc/sched.c | |
| parent | ALSA: usb-audio: fix endianness bug in snd_nativeinstruments_* (diff) | |
| parent | Merge remote-tracking branch 'asoc/fix/wm8903' into tmp (diff) | |
| download | wireguard-linux-232a73dda2f2dba9002b727eb3ec76d82882b90c.tar.xz wireguard-linux-232a73dda2f2dba9002b727eb3ec76d82882b90c.zip | |
Merge tag 'asoc-v3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.9
A few updates, more than I'd like, fixing some relatively small issues
but mostly driver specific ones. Nothing wildly exciting so if it
doesn't make v3.9 it won't be the end of the world but it'd be nice.
Diffstat (limited to 'net/sunrpc/sched.c')
| -rw-r--r-- | net/sunrpc/sched.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index fb20f25ddec9..f8529fc8e542 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -180,6 +180,8 @@ static void __rpc_add_wait_queue(struct rpc_wait_queue *queue, list_add_tail(&task->u.tk_wait.list, &queue->tasks[0]); task->tk_waitqueue = queue; queue->qlen++; + /* barrier matches the read in rpc_wake_up_task_queue_locked() */ + smp_wmb(); rpc_set_queued(task); dprintk("RPC: %5u added to queue %p \"%s\"\n", @@ -430,8 +432,11 @@ static void __rpc_do_wake_up_task(struct rpc_wait_queue *queue, struct rpc_task */ static void rpc_wake_up_task_queue_locked(struct rpc_wait_queue *queue, struct rpc_task *task) { - if (RPC_IS_QUEUED(task) && task->tk_waitqueue == queue) - __rpc_do_wake_up_task(queue, task); + if (RPC_IS_QUEUED(task)) { + smp_rmb(); + if (task->tk_waitqueue == queue) + __rpc_do_wake_up_task(queue, task); + } } /* |