---

yaml --- r: 354977 b: refs/heads/master c: 7ae3e03 h: refs/heads/master i: 354975: 7095a53 v: v3
git-mirror · Jan 17, 2013 · 52fd236 · 52fd236
1 parent 7ed59b6
commit 52fd236
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 132368bd0b286457f83f56d0bbdecd85999562dc
+refs/heads/master: 7ae3e035195735f9b6ce3308b6240af877a41ea0
diff --git a/trunk/drivers/hv/hv_util.c b/trunk/drivers/hv/hv_util.c
@@ -274,6 +274,16 @@ static int util_probe(struct hv_device *dev,
 		}
 	}
 
+	/*
+	 * The set of services managed by the util driver are not performance
+	 * critical and do not need batched reading. Furthermore, some services
+	 * such as KVP can only handle one message from the host at a time.
+	 * Turn off batched reading for all util drivers before we open the
+	 * channel.
+	 */
+
+	set_channel_read_state(dev->channel, false);
+
 	ret = vmbus_open(dev->channel, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0,
 			srv->util_cb, dev->channel);
 	if (ret)