Hi Eric, On Tue, Dec 6, 2016 at 2:53 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > On Tue, 2016-12-06 at 14:31 +0800, Gao Feng wrote: > >> Because I don't fully hold the ipvlan codes now, I am afraid of that >> there is someone which may get the port address when >> ipvlan_port_destroy. So the original ipvlan_port_destroy uses the >> kfree_rcu to avoid it. >> >> I am sure there is unnecessary to use kfree in ipvlan_port_create. > > And I am pretty sure it is unnecessary to use kfree_rcu() in > ipvlan_port_destroy() as well. > > I highly suggest you spend time on learning why. > > >
Thanks your suggestion. I will send v2 patch after get the reason by myself. Begards Feng