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Commit dfe1b442 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

netlink: Remove smp_read_barrier_depends() from comment 



Now that smp_read_barrier_depends() has been de-emphasized, the less
said about it, the better.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Cc: Florian Westphal <fw@strlen.de>
Cc: <netfilter-devel@vger.kernel.org>
Cc: <coreteam@netfilter.org>
parent 632a5c1c

include/linux/netfilter/nfnetlink.h

+1 −2
Original line number Diff line number Diff line
@@ -67,8 +67,7 @@ static inline bool lockdep_nfnl_is_held(__u8 subsys_id) 
 * @ss: The nfnetlink subsystem ID

 *

 * Return the value of the specified RCU-protected pointer, but omit

 * both the smp_read_barrier_depends() and the READ_ONCE(), because

 * caller holds the NFNL subsystem mutex.

 * the READ_ONCE(), because caller holds the NFNL subsystem mutex.

 */

#define nfnl_dereference(p, ss)					\

	rcu_dereference_protected(p, lockdep_nfnl_is_held(ss))