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authorDexuan Cui <decui@microsoft.com>2015-03-27 09:10:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-03 16:18:02 +0200
commitaadc3780f31865edc84c587ab718a33a8eeeb09d (patch)
treee5e5e32ec37ebdc2b57e66beeb71700fe71f5433 /drivers/hv
parentd43e2fe7da320310834467a3fd87a10adb25a221 (diff)
hv: remove the per-channel workqueue
It's not necessary any longer, since we can safely run the blocking message handlers in vmbus_connection.work_queue now. Signed-off-by: Dexuan Cui <decui@microsoft.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/channel_mgmt.c30
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index d69864d4a4d7..0eeb1b3bc048 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -147,43 +147,15 @@ static struct vmbus_channel *alloc_channel(void)
INIT_LIST_HEAD(&channel->sc_list);
INIT_LIST_HEAD(&channel->percpu_list);
- channel->controlwq = alloc_workqueue("hv_vmbus_ctl/%d", WQ_MEM_RECLAIM,
- 1, channel->id);
- if (!channel->controlwq) {
- kfree(channel);
- return NULL;
- }
-
return channel;
}
/*
- * release_hannel - Release the vmbus channel object itself
- */
-static void release_channel(struct work_struct *work)
-{
- struct vmbus_channel *channel = container_of(work,
- struct vmbus_channel,
- work);
-
- destroy_workqueue(channel->controlwq);
-
- kfree(channel);
-}
-
-/*
* free_channel - Release the resources used by the vmbus channel object
*/
static void free_channel(struct vmbus_channel *channel)
{
-
- /*
- * We have to release the channel's workqueue/thread in the vmbus's
- * workqueue/thread context
- * ie we can't destroy ourselves.
- */
- INIT_WORK(&channel->work, release_channel);
- queue_work(vmbus_connection.work_queue, &channel->work);
+ kfree(channel);
}
static void percpu_channel_enq(void *arg)