> @@ -1594,10 +1592,11 @@ void dsa_switch_shutdown(struct dsa_switch *ds) > } > > /* Disconnect from further netdevice notifiers on the conduit, > - * since netdev_uses_dsa() will now return false. > + * from now on, netdev_uses_dsa_currently() will return false. > */ > dsa_switch_for_each_cpu_port(dp, ds) > - dp->conduit->dsa_ptr = NULL; > + rcu_assign_pointer(dp->conduit->dsa_ptr, NULL); > + synchronize_rcu(); > > rtnl_unlock(); > out: Hi, I am a newbie here. Thanks for the opportunity for learning more about rcu. Wouldn't it make more sense to call synchronize_rcu after rtnl_unlock?
