Eric Dumazet c6d14c8456 net: Introduce for_each_netdev_rcu() iterator
Adds RCU management to the list of netdevices.

Convert some for_each_netdev() users to RCU version, if
it can avoid read_lock-ing dev_base_lock

Ie:
	read_lock(&dev_base_loack);
	for_each_netdev(net, dev)
		some_action();
	read_unlock(&dev_base_lock);

becomes :

	rcu_read_lock();
	for_each_netdev_rcu(net, dev)
		some_action();
	rcu_read_unlock();


Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04 05:43:23 -08:00
..
2009-09-01 17:40:57 -07:00
2009-06-03 02:51:04 -07:00
2005-04-16 15:20:36 -07:00
2005-04-16 15:20:36 -07:00
2005-04-16 15:20:36 -07:00
2005-04-16 15:20:36 -07:00

                       Linux DECnet Project
                      ======================

The documentation for this kernel subsystem is available in the
Documentation/networking subdirectory of this distribution and also
on line at http://www.chygwyn.com/DECnet/

Steve Whitehouse <SteveW@ACM.org>