infiniband: remove dev_base_lock use
dev_base_lock is the legacy way to lock the device list, and is planned
to disappear. (writers hold RTNL, readers hold RCU lock)
Convert rdma_translate_ip() and update_ipv6_gids() to RCU locking.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index c15fd2e..8aba0ba 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -130,8 +130,8 @@
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
- read_lock(&dev_base_lock);
- for_each_netdev(&init_net, dev) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, dev) {
if (ipv6_chk_addr(&init_net,
&((struct sockaddr_in6 *) addr)->sin6_addr,
dev, 1)) {
@@ -139,7 +139,7 @@
break;
}
}
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
break;
#endif
}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index bf3e20c..4e55a28 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -848,8 +848,8 @@
goto out;
}
- read_lock(&dev_base_lock);
- for_each_netdev(&init_net, tmp) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, tmp) {
if (ndev && (tmp == ndev || rdma_vlan_dev_real_dev(tmp) == ndev)) {
gid.global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
vid = rdma_vlan_dev_vlan_id(tmp);
@@ -884,7 +884,7 @@
}
}
}
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
for (i = 0; i < 128; ++i)
if (!hits[i]) {