rps: add __rcu annotations
Add __rcu annotations to :
(struct netdev_rx_queue)->rps_map
(struct netdev_rx_queue)->rps_flow_table
struct rps_sock_flow_table *rps_sock_flow_table;
And use appropriate rcu primitives.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b72d5a4..072652d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -585,15 +585,15 @@
table->ents[hash & table->mask] = RPS_NO_CPU;
}
-extern struct rps_sock_flow_table *rps_sock_flow_table;
+extern struct rps_sock_flow_table __rcu *rps_sock_flow_table;
/* This structure contains an instance of an RX queue. */
struct netdev_rx_queue {
- struct rps_map *rps_map;
- struct rps_dev_flow_table *rps_flow_table;
- struct kobject kobj;
- struct netdev_rx_queue *first;
- atomic_t count;
+ struct rps_map __rcu *rps_map;
+ struct rps_dev_flow_table __rcu *rps_flow_table;
+ struct kobject kobj;
+ struct netdev_rx_queue *first;
+ atomic_t count;
} ____cacheline_aligned_in_smp;
#endif /* CONFIG_RPS */