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| author | Arkadi Sharshevsky <arkadis@mellanox.com> | 2017-06-08 08:44:12 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-08 14:16:24 -0400 |
| commit | 0baa10fff2c8a8a0e3bca8fb43112ed93c179c38 (patch) | |
| tree | 9ba7694bb4d36536b1a0ba8efb0658daacc7723e /net/bridge/br.c | |
| parent | 3922285d96e79231817227439c214728edfbe406 (diff) | |
| download | lwn-0baa10fff2c8a8a0e3bca8fb43112ed93c179c38.tar.gz lwn-0baa10fff2c8a8a0e3bca8fb43112ed93c179c38.zip | |
net: bridge: Add support for calling FDB external learning under rcu
This is done as a preparation to moving the switchdev notifier chain
to be atomic. The FDB external learning should be called under rtnl
or rcu.
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br.c')
| -rw-r--r-- | net/bridge/br.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c index 889e5640455f..e962fff8c0d9 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -121,7 +121,7 @@ static struct notifier_block br_device_notifier = { .notifier_call = br_device_event }; -/* called with RTNL */ +/* called with RTNL or RCU */ static int br_switchdev_event(struct notifier_block *unused, unsigned long event, void *ptr) { @@ -131,7 +131,7 @@ static int br_switchdev_event(struct notifier_block *unused, struct switchdev_notifier_fdb_info *fdb_info; int err = NOTIFY_DONE; - p = br_port_get_rtnl(dev); + p = br_port_get_rtnl_rcu(dev); if (!p) goto out; |