linux-kernel - [PATCH] netfilter: iptables no lockdep is needed..

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Message-ID: <20090425133052.4cb711f5@nehalam>
Date:	Sat, 25 Apr 2009 13:30:52 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	Eric Dumazet <dada1@...mosbay.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	paulmck@...ux.vnet.ibm.com, Evgeniy Polyakov <zbr@...emap.net>,
	David Miller <davem@...emloft.net>, kaber@...sh.net,
	jeff.chua.linux@...il.com, laijs@...fujitsu.com,
	jengelh@...ozas.de, r000n@...0n.net, linux-kernel@...r.kernel.org,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	benh@...nel.crashing.org, mathieu.desnoyers@...ymtl.ca
Subject: [PATCH] netfilter: iptables no lockdep is needed..

Epilogue due to master Jarek. Lockdep carest not about the locking
doth bestowed. Therefore no keys are needed.

Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

---
 net/netfilter/x_tables.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

--- a/net/netfilter/x_tables.c	2009-04-25 13:25:48.115026283 -0700
+++ b/net/netfilter/x_tables.c	2009-04-25 13:26:15.646215635 -0700
@@ -1145,14 +1145,9 @@ static int __init xt_init(void)
 {
 	unsigned int i;
 	int rv;
-	static struct lock_class_key xt_lock_key[NR_CPUS];
 
-	for_each_possible_cpu(i) {
-		rwlock_t *lock = &per_cpu(xt_info_locks, i);
-
-		rwlock_init(lock);
-		lockdep_set_class(lock, xt_lock_key+i);
-	}
+	for_each_possible_cpu(i)
+		rwlock_init(&per_cpu(xt_info_locks, i));
 
 	xt = kmalloc(sizeof(struct xt_af) * NFPROTO_NUMPROTO, GFP_KERNEL);
 	if (!xt)
--
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