On Tue, 10 Jun 2025 10:15:19 -0700 Stanislav Fomichev wrote: > Drivers that are using ops lock and don't depend on RTNL lock > still need to manage it because udp_tunnel's RTNL dependency. > Introduce new udp_tunnel_nic_lock and use it instead of > rtnl_lock. Drop non-UDP_TUNNEL_NIC_INFO_MAY_SLEEP mode from > udp_tunnel infra (udp_tunnel_nic_device_sync_work needs to > grab udp_tunnel_nic_lock mutex and might sleep).
There are multiple entry points to this code, basically each member of struct udp_tunnel_nic_ops and the netdev notifiers. In this patch only reset and work are locked. I'm a bit confused as to what is the new lock protecting :S