David Marchand <david.march...@redhat.com> writes: > Querying link status may get delayed for an undeterministic (long) time > with mlx5 ports. This is a consequence of the mlx5 driver calling ethtool > kernel API and getting stuck on the kernel RTNL lock while some other > operation is in progress under this lock. > > One impact for long link status query is that it is called under the bond > lock taken in write mode periodically in bond_run(). > In parallel, datapath threads may block requesting to read bonding related > info (like for example in bond_check_admissibility()). > > The LSC interrupt mode is available with many DPDK drivers and is used by > default with testpmd. > > It seems safe enough to switch on this feature by default in OVS. > We keep the per interface option to disable this feature in case of an > unforeseen bug. > > Signed-off-by: David Marchand <david.march...@redhat.com> > Reviewed-by: Robin Jarry <rja...@redhat.com> > Acked-by: Mike Pattrick <m...@redhat.com> > ---
Acked-by: Aaron Conole <acon...@redhat.com> _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
