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rps: add __rcu annotations

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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>
This commit is contained in:
Eric Dumazet
2010-10-25 03:02:02 +00:00
committed by David S. Miller
parent f6318e5588
commit 6e3f7faf3e
4 changed files with 27 additions and 20 deletions
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3
net/core/sysctl_net_core.c
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@@ -34,7 +34,8 @@ static int rps_sock_flow_sysctl(ctl_table *table, int write,
mutex_lock(&sock_flow_mutex);
orig_sock_table = rps_sock_flow_table;
orig_sock_table = rcu_dereference_protected(rps_sock_flow_table,
lockdep_is_held(&sock_flow_mutex));
size = orig_size = orig_sock_table ? orig_sock_table->mask + 1 : 0;
ret = proc_dointvec(&tmp, write, buffer, lenp, ppos);