On Mon, Aug 20, 2018 at 08:25:51PM -0700, Ben Pfaff wrote: > Until now, OVS did multicast snooping outputs holding the read-lock on > the mcast_snooping object. This could recurse via a patch port to try to > take the write-lock on the same object, which deadlocked. This patch fixes > the problem, by releasing the read-lock before doing any outputs. > > It would probably be better to use RCU for mcast_snooping. That would be > a bigger patch and less suitable for backporting. > > Reported-by: Sameh Elsharkawy > Reported-at: https://github.com/openvswitch/ovs-issues/issues/153 > Signed-off-by: Ben Pfaff <[email protected]>
This still needs a review. _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
