On Sun, Jul 5, 2015 at 2:35 AM, David Young <dyo...@pobox.com> wrote: > On Sat, Jul 04, 2015 at 09:52:56PM +0900, Ryota Ozaki wrote: >> I'm trying to improve use of rt_refcnt: reducing >> abuse of it, e.g., rt_refcnt++/rt_refcnt-- outside >> route.c and extending it to treat referencing >> during packet processing (IOW, references from >> local variables) -- currently it handles only >> references between routes. The latter is needed for >> MP-safe networking. > > Do you propose to increase/decrease rt_refcnt in the packet processing > path, using atomic instructions?
Atomic instructions aren't used yet, i.e., softnet_lock is still needed. I will introduce them later. (Using refcount(9) by riastradh would be good once it is committed.) ozaki-r > > Dave > > -- > David Young > dyo...@pobox.com Urbana, IL (217) 721-9981
