From: Vlad Buslov
Date: Mon, 3 Sep 2018 10:07:15 +0300
> According to the new locking rule, we have to take tcf_lock for both
> ->init() and ->dump(), as RTNL will be removed.
>
> Use tcf lock to protect skbedit action struct private data from concurrent
> modification in init and dump. Use rcu
According to the new locking rule, we have to take tcf_lock for both
->init() and ->dump(), as RTNL will be removed.
Use tcf lock to protect skbedit action struct private data from concurrent
modification in init and dump. Use rcu swap operation to reassign params
pointer under protection of tcf l