commit 48752e1b1802231ef2a076f34d861918b7d571c3
author Eric Dumazet <eric.dumazet@gmail.com> Mon May 09 04:40:44 2011 +0000
committer David S. Miller <davem@davemloft.net> Mon May 09 11:41:41 2011 -0700
tree d4be28aa585dd24e3ebe456748a4d92a841882d3
parent da37e368763f708d2ae5a81e61ec59372b831cf5

vlan: remove one synchronize_net() call

At VLAN dismantle phase, unregister_vlan_dev() makes one
synchronize_net() call after vlan_group_set_device(grp, vlan_id, NULL).

This call can be safely removed because we are calling
unregister_netdevice_queue() to queue device for deletion, and this
process needs at least one rcu grace period to complete.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ben Greear <greearb@candelatech.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jesse Gross <jesse@nicira.com>
Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>