rcu: remove list_for_each_rcu()
All of the in-tree uses of list_for_each_rcu() have been converted to list_for_each_entry_rcu(), so list_for_each_rcu() can now be removed. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -210,7 +210,7 @@ over a rather long period of time, but improvements are always welcome!
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number of updates per grace period.
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9. All RCU list-traversal primitives, which include
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rcu_dereference(), list_for_each_rcu(), list_for_each_entry_rcu(),
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rcu_dereference(), list_for_each_entry_rcu(),
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list_for_each_continue_rcu(), and list_for_each_safe_rcu(),
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must be either within an RCU read-side critical section or
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must be protected by appropriate update-side locks. RCU
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@ -786,8 +786,6 @@ RCU pointer/list traversal:
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list_for_each_entry_rcu
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hlist_for_each_entry_rcu
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list_for_each_rcu (to be deprecated in favor of
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list_for_each_entry_rcu)
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list_for_each_continue_rcu (to be deprecated in favor of new
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list_for_each_entry_continue_rcu)
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@ -198,20 +198,6 @@ static inline void list_splice_init_rcu(struct list_head *list,
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at->prev = last;
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}
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/**
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* list_for_each_rcu - iterate over an rcu-protected list
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* @pos: the &struct list_head to use as a loop cursor.
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* @head: the head for your list.
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*
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* This list-traversal primitive may safely run concurrently with
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* the _rcu list-mutation primitives such as list_add_rcu()
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* as long as the traversal is guarded by rcu_read_lock().
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*/
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#define list_for_each_rcu(pos, head) \
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for (pos = rcu_dereference((head)->next); \
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prefetch(pos->next), pos != (head); \
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pos = rcu_dereference(pos->next))
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#define __list_for_each_rcu(pos, head) \
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for (pos = rcu_dereference((head)->next); \
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pos != (head); \
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