[IPV4]: Prepare FIB core for RCU.
* RCU versions of hlist_***_rcu
* fib_alias partial rcu port just whats needed now.
Signed-off-by: Robert Olsson <Robert.Olsson@data.slu.se>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 7e4651b..d41219e 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -854,6 +854,7 @@
return NULL;
}
+/* Note! fib_semantic_match intentionally uses RCU list functions. */
int fib_semantic_match(struct list_head *head, const struct flowi *flp,
struct fib_result *res, __u32 zone, __u32 mask,
int prefixlen)
@@ -861,7 +862,7 @@
struct fib_alias *fa;
int nh_sel = 0;
- list_for_each_entry(fa, head, fa_list) {
+ list_for_each_entry_rcu(fa, head, fa_list) {
int err;
if (fa->fa_tos &&