On Fri, Jul 28, 2017 at 7:40 AM, Jiri Pirko <j...@resnulli.us> wrote: > From: Jiri Pirko <j...@mellanox.com> > > Currently the actions are stored in array with array size. To traverse > this array in fastpath, tcf_tree_lock is taken to protect it. Convert > the array into a singly linked list, similar to the filter chains style > and allow traversal protected by rcu.
Did you read commit 22dc13c837c33207548c8ee5116 ? An action can't be shared by multiple filters if you put them in a list (no matter singly or double), this is why I use pointers.
