Commit 34d7c2b3 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Ingo Molnar
Browse files

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: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent ff9cf2ce

Documentation/RCU/checklist.txt

+1 −1
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@@ -210,7 +210,7 @@ over a rather long period of time, but improvements are always welcome! 
		number of updates per grace period.



9.	All RCU list-traversal primitives, which include

	rcu_dereference(), list_for_each_rcu(), list_for_each_entry_rcu(),

	rcu_dereference(), list_for_each_entry_rcu(),

	list_for_each_continue_rcu(), and list_for_each_safe_rcu(),

	must be either within an RCU read-side critical section or

	must be protected by appropriate update-side locks.  RCU

Documentation/RCU/whatisRCU.txt

+0 −2
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@@ -786,8 +786,6 @@ RCU pointer/list traversal: 
	list_for_each_entry_rcu

	hlist_for_each_entry_rcu



	list_for_each_rcu		(to be deprecated in favor of

					 list_for_each_entry_rcu)

	list_for_each_continue_rcu	(to be deprecated in favor of new

					 list_for_each_entry_continue_rcu)

include/linux/rculist.h

+0 −14
Original line number Diff line number Diff line
@@ -198,20 +198,6 @@ static inline void list_splice_init_rcu(struct list_head *list, 
	at->prev = last;

}



/**

 * list_for_each_rcu	-	iterate over an rcu-protected list

 * @pos:	the &struct list_head to use as a loop cursor.

 * @head:	the head for your list.

 *

 * This list-traversal primitive may safely run concurrently with

 * the _rcu list-mutation primitives such as list_add_rcu()

 * as long as the traversal is guarded by rcu_read_lock().

 */

#define list_for_each_rcu(pos, head) \

	for (pos = rcu_dereference((head)->next); \

		prefetch(pos->next), pos != (head); \

		pos = rcu_dereference(pos->next))



#define __list_for_each_rcu(pos, head) \

	for (pos = rcu_dereference((head)->next); \

		pos != (head); \