Tue, Oct 10, 2017 at 03:31:59PM CEST, david.lai...@aculab.com wrote: >From: Jiri Pirko >> Sent: 10 October 2017 08:30 >> Introduce infrastructure that allows drivers to register callbacks that >> are called whenever tc would offload inserted rule and specified device >> acts as tc action egress device. > >How does a driver safely unregister a callback? >(to avoid a race with the callback being called.) > >Usually this requires a callback in the context that makes the >notification callbacks indicating that no more such callbacks >will be made.
rtnl is your answer. It is being held during register/unregister/cb
