On Wed, Feb 10, 2021 at 11:14:41AM +0200, Vladimir Oltean wrote: > From: Vladimir Oltean <vladimir.oltean@xxxxxxx> > > Because the bridge will start offloading SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS > while not serialized by any lock such as the br->lock spinlock, existing > drivers that treat that attribute and cache the brport flags might no > longer work correctly. Can you explain the race? This notification is sent from sysfs/netlink call path, both of which take rtnl.
