Yep, we've already seen that once with the mac rwlock though in a very similar situation involving STP. I'm not totally sure if it can happen here or not, but it feels quite a bit safer to be conservative here. Also holding the lock for less time is better anyways.
Ethan On Fri, Sep 6, 2013 at 1:20 PM, Jarno Rajahalme <jrajaha...@nicira.com> wrote: > > On Sep 6, 2013, at 12:53 PM, Ethan Jackson <et...@nicira.com> wrote: > > Holding the mac learning rwlock while calling send_packet() which > calls xlate_actions() is dangerous because somewhere deep in the chain > the same lock might be acquired causing a deadlock. Though we haven't > run into this problem in testing, it seems prudent to refactor it. > > > This would be a problem only if there was a nested attempt on a write lock, > right? > > Jarno _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
