Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/bonding/bond_alb.c drivers/net/ethernet/altera/altera_msgdma.c drivers/net/ethernet/altera/altera_sgdma.c net/ipv6/xfrm6_output.c Several cases of overlapping changes. The xfrm6_output.c has a bug fix which overlaps the renaming of skb->local_df to skb->ignore_df. In the Altera TSE driver cases, the register access cleanups in net-next overlapped with bug fixes done in net. Similarly a bug fix to send ALB packets in the bonding driver using the right source address overlaps with cleanups in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
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@@ -353,15 +353,46 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops)
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}
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EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
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/* Return with the rtnl_lock held when there are no network
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* devices unregistering in any network namespace.
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*/
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static void rtnl_lock_unregistering_all(void)
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{
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struct net *net;
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bool unregistering;
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DEFINE_WAIT(wait);
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for (;;) {
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prepare_to_wait(&netdev_unregistering_wq, &wait,
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TASK_UNINTERRUPTIBLE);
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unregistering = false;
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rtnl_lock();
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for_each_net(net) {
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if (net->dev_unreg_count > 0) {
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unregistering = true;
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break;
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}
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}
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if (!unregistering)
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break;
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__rtnl_unlock();
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schedule();
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}
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finish_wait(&netdev_unregistering_wq, &wait);
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}
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/**
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* rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
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* @ops: struct rtnl_link_ops * to unregister
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*/
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void rtnl_link_unregister(struct rtnl_link_ops *ops)
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{
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rtnl_lock();
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/* Close the race with cleanup_net() */
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mutex_lock(&net_mutex);
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rtnl_lock_unregistering_all();
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__rtnl_link_unregister(ops);
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rtnl_unlock();
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mutex_unlock(&net_mutex);
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}
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EXPORT_SYMBOL_GPL(rtnl_link_unregister);
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