Now that READ_ONCE() implies smp_read_barrier_depends(), update the
rtnl_dereference() header comment accordingly.
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Vladislav Yasevich <vyase...@redhat.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Vlad Yasevich <vyasev...@gmail.com>
---
include/linux/rtnetlink.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 765f7b915475..107720d6b978 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -67,8 +67,7 @@ static inline bool lockdep_rtnl_is_held(void)
* @p: The pointer to read, prior to dereferencing
*
* Return the value of the specified RCU-protected pointer, but omit
- * both the smp_read_barrier_depends() and the READ_ONCE(), because
- * caller holds RTNL.
+ * the READ_ONCE(), because caller holds RTNL.
*/
#define rtnl_dereference(p) \
rcu_dereference_protected(p, lockdep_rtnl_is_held())
--
2.5.2
