Thanks, applied to master~

On Tue, Nov 11, 2014 at 3:29 PM, Pravin Shelar <[email protected]> wrote:

> On Fri, Nov 7, 2014 at 5:51 PM, Alex Wang <[email protected]> wrote:
> > There is a portion of the 'struct dp_netdev_port' initialization
> > that is placed after the reload of pmd threads.  This means in
> > theory, there could be a race where pmd threads access half-
> > initialized struct.  Although such race has not been seen, it
> > makes sense to fully initialize the struct before use.
> >
> > Found by code inspection.
> >
> > Signed-off-by: Alex Wang <[email protected]>
>
> Looks good.
> Acked-by: Pravin B Shelar <[email protected]>
>
> > ---
> >  lib/dpif-netdev.c |    6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
> > index ad2febc..9d1319f 100644
> > --- a/lib/dpif-netdev.c
> > +++ b/lib/dpif-netdev.c
> > @@ -871,13 +871,13 @@ do_add_port(struct dp_netdev *dp, const char
> *devname, const char *type,
> >      }
> >      port->sf = sf;
> >
> > +    ovs_refcount_init(&port->ref_cnt);
> > +    cmap_insert(&dp->ports, &port->node, hash_port_no(port_no));
> > +
> >      if (netdev_is_pmd(netdev)) {
> >          dp_netdev_set_pmds_on_numa(dp, netdev_get_numa_id(netdev));
> >          dp_netdev_reload_pmds(dp);
> >      }
> > -    ovs_refcount_init(&port->ref_cnt);
> > -
> > -    cmap_insert(&dp->ports, &port->node, hash_port_no(port_no));
> >      seq_change(dp->port_seq);
> >
> >      return 0;
> > --
> > 1.7.9.5
> >
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> > http://openvswitch.org/mailman/listinfo/dev
>
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