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netdev: Handle ->addr_list_lock just like ->_xmit_lock for lockdep.

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The new address list lock needs to handle the same device layering
issues that the _xmit_lock one does.

This integrates work done by Patrick McHardy.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2008-07-22 14:16:42 -07:00
parent d29f749e25
commit cf508b1211
8 changed files with 40 additions and 6 deletions
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4
net/8021q/vlan_dev.c
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@@ -569,6 +569,7 @@ static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
* separate class since they always nest.
*/
static struct lock_class_key vlan_netdev_xmit_lock_key;
static struct lock_class_key vlan_netdev_addr_lock_key;
static void vlan_dev_set_lockdep_one(struct net_device *dev,
struct netdev_queue *txq,
@@ -581,6 +582,9 @@ static void vlan_dev_set_lockdep_one(struct net_device *dev,
static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
{
lockdep_set_class_and_subclass(&dev->addr_list_lock,
&vlan_netdev_addr_lock_key,
subclass);
netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
}