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decnet: Use rcu_barrier() on module unload.

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The decnet module unloading as been disabled with a '#if 0' statement,
because it have had issues.

We add a rcu_barrier() anyhow for correctness.

The maintainer (Chrissie Caulfield) will look into the unload issue
when time permits.

Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Chrissie Caulfield <christine.caulfield@googlemail.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer
2009-06-26 10:46:08 +00:00
committed by David S. Miller
parent b9389796fa
commit 10e8544801
1 changed files with 2 additions and 0 deletions
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net/decnet/af_decnet.c
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@@ -2413,6 +2413,8 @@ static void __exit decnet_exit(void)
proc_net_remove(&init_net, "decnet"); proc_net_remove(&init_net, "decnet");
proto_unregister(&dn_proto); proto_unregister(&dn_proto);
rcu_barrier_bh(); /* Wait for completion of call_rcu_bh()'s */
} }
module_exit(decnet_exit); module_exit(decnet_exit);
#endif #endif