On Wed, Feb 11, 2026 at 4:09 AM Adrian Moreno via dev < [email protected]> wrote:
> OVS only cares about AF_INET and AF_INET6 routes. However, the current > route dumping request uses AF_UNSPEC as rtm_family, which makes the > linux kernel inspect other subsystems such as ipmr (IP multicast routing) > for potential routes. Even if there are none, ipmr currently requires > acquiring the RTNL mutex while IPv4/IPv6 route dumping do not (since > 2017) which means that on RTNL-contended scenarios, this unnecessary > lookup can be expensive. > > This patch adds concrete rtm_family to the netlink requests. > > Signed-off-by: Adrian Moreno <[email protected]> > --- Good find Adrian, this looks like a logical first step towards reducing rtnl contention. Acked-by: Mike Pattrick <[email protected]> _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
