bonding: remove useless updating of slave->dev->last_rx

Now that all the logic is handled via last_arp_rx, we don't need to use
last_rx.

CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index e7aab9a..14e023d 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1115,9 +1115,6 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
        slave = bond_slave_get_rcu(skb->dev);
        bond = slave->bond;
 
-       if (bond->params.arp_interval)
-               slave->dev->last_rx = jiffies;
-
        recv_probe = ACCESS_ONCE(bond->recv_probe);
        if (recv_probe) {
                ret = recv_probe(skb, bond, slave);

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 430c51a..891432a 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1312,13 +1312,7 @@ struct net_device {
 /*
  * Cache lines mostly used on receive path (including eth_type_trans())
  */
-       unsigned long           last_rx;        /* Time of last Rx
-                                                * This should not be set in
-                                                * drivers, unless really needed,
-                                                * because network stack (bonding)
-                                                * use it if/when necessary, to
-                                                * avoid dirtying this cache line.
-                                                */
+       unsigned long           last_rx;        /* Time of last Rx */
 
        /* Interface address info used in eth_type_trans() */
        unsigned char           *dev_addr;      /* hw address, (before bcast