Messages in this thread Patch in this message | | | From | Jesper Dangaard Brouer <> | Subject | [PATCH 4/5] sctp: protocol.c call rcu_barrier() on unload. | Date | Mon, 08 Jun 2009 15:11:43 +0200 |
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On module unload call rcu_barrier(), this is needed as synchronize_rcu() is not strong enough. The kmem_cache_destroy() does invoke synchronize_rcu() but it does not provide same protection.
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> ---
net/sctp/protocol.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index cb2c50d..79cbd47 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -1370,6 +1370,8 @@ SCTP_STATIC __exit void sctp_exit(void) sctp_proc_exit(); cleanup_sctp_mibs(); + rcu_barrier(); /* Wait for completion of call_rcu()'s */ + kmem_cache_destroy(sctp_chunk_cachep); kmem_cache_destroy(sctp_bucket_cachep); }
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