On 6/3/19 5:05 PM, Wei Wang wrote: > On Mon, Jun 3, 2019 at 3:35 PM David Ahern <dsah...@gmail.com> wrote: >> >> On 6/3/19 3:58 PM, Wei Wang wrote: >>> Hmm... I am still a bit concerned with the ip6_create_rt_rcu() call. >>> If we have a blackholed nexthop, the lookup code here always tries to >>> create an rt cache entry for every lookup. >>> Maybe we could reuse the pcpu cache logic for this? So we only create >>> new dst cache on the CPU if there is no cache created before. >> >> I'll take a look. >>
BTW, I am only updating ip6_pol_route to use pcpu routes for blackhole nexthops. ip6_pol_route_lookup will continue as is. That function does not use pcpu routes and will stay as is.
