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yaml --- r: 33097 b: refs/heads/master c: 76f10ad h: refs/heads/master i: 33095: f50a74b v: v3
git-mirror · Aug 2, 2006 · ff33850 · ff33850
1 parent 5e5fded
commit ff33850
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dafee490858f79e144c5e6cdd84ceb9efa20a3f1
+refs/heads/master: 76f10ad0e67cbc6ded2ee143e5188e0b7ff9fb15
diff --git a/trunk/include/linux/skbuff.h b/trunk/include/linux/skbuff.h
@@ -606,10 +606,17 @@ static inline __u32 skb_queue_len(const struct sk_buff_head *list_)
 
 extern struct lock_class_key skb_queue_lock_key;
 
+/*
+ * This function creates a split out lock class for each invocation;
+ * this is needed for now since a whole lot of users of the skb-queue
+ * infrastructure in drivers have different locking usage (in hardirq)
+ * than the networking core (in softirq only). In the long run either the
+ * network layer or drivers should need annotation to consolidate the
+ * main types of usage into 3 classes.
+ */
 static inline void skb_queue_head_init(struct sk_buff_head *list)
 {
 	spin_lock_init(&list->lock);
-	lockdep_set_class(&list->lock, &skb_queue_lock_key);
 	list->prev = list->next = (struct sk_buff *)list;
 	list->qlen = 0;
 }