On Tue, Apr 10, 2018 at 02:26:08PM -0700, Stephen Hemminger wrote: > On Tue, 10 Apr 2018 11:59:50 -0700 > Sridhar Samudrala <sridhar.samudr...@intel.com> wrote: > > > Use the registration/notification framework supported by the generic > > bypass infrastructure. > > > > Signed-off-by: Sridhar Samudrala <sridhar.samudr...@intel.com> > > --- > > Thanks for doing this. Your current version has couple show stopper > issues. > > First, the slave device is instantly taking over the slave. > This doesn't allow udev/systemd to do its device rename of the slave > device. Netvsc uses a delayed work to workaround this.
Interesting. Does this mean udev must act within a specific time window then? > Secondly, the select queue needs to call queue selection in VF. > The bonding/teaming logic doesn't work well for UDP flows. > Commit b3bf5666a510 ("hv_netvsc: defer queue selection to VF") > fixed this performance problem. > > Lastly, more indirection is bad in current climate. > > I am not completely adverse to this but it needs to be fast, simple > and completely transparent.