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authorJesper Dangaard Brouer <hawk@comx.dk>2009-06-26 10:45:58 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-26 13:51:34 -0700
commit75de874f5c35f679c6370fccc2bf4930e638ef3b (patch)
treeb5672242086493b45bd153607dafaf4d346d4924 /net/sunrpc/sunrpc_syms.c
parent473c22d759e73cbbe604f41105b497817cc2ee8e (diff)
sunrpc: Use rcu_barrier() on unload.
The sunrpc module uses rcu_call() thus it should use rcu_barrier() on module unload. Have not verified that the possibility for new call_rcu() callbacks has been disabled. As a hint for checking, the functions calling call_rcu() (unx_destroy_cred and generic_destroy_cred) are registered as crdestroy function pointer in struct rpc_credops. Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sunrpc/sunrpc_syms.c')
-rw-r--r--net/sunrpc/sunrpc_syms.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 843629f5576..adaa81982f7 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -66,6 +66,7 @@ cleanup_sunrpc(void)
#ifdef CONFIG_PROC_FS
rpc_proc_exit();
#endif
+ rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
MODULE_LICENSE("GPL");
module_init(init_sunrpc);