On Thu, Jan 28, 2016 at 01:02:15AM -0500, Jarod Wilson wrote:
> On Wed, Jan 27, 2016 at 01:09:47PM -0800, Eric Dumazet wrote:
> > On Wed, 2016-01-27 at 15:21 -0500, Jarod Wilson wrote:
> > 
> > > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > > index 289c231..7973ab5 100644
> > > --- a/include/linux/netdevice.h
> > > +++ b/include/linux/netdevice.h
> > > @@ -180,6 +180,7 @@ struct net_device_stats {
> > >   unsigned long   tx_window_errors;
> > >   unsigned long   rx_compressed;
> > >   unsigned long   tx_compressed;
> > > + unsigned long   rx_unhandled;
> > >  };
> > >  
> > 
> > This structure is deprecated, please do not add new fields in it,
> > as it will increase netlink answers for no good reason.
> > 
> > rtnl_link_stats64 is what really matters these days.
> 
> I'll respin the set without that

Or not. Now I remember why I added that in the first place:

In file included from ./arch/x86/include/asm/uaccess.h:7:0,
                 from net/core/dev.c:75:
net/core/dev.c: In function 'netdev_stats_to_stats64':
include/linux/compiler.h:484:20: error: call to '__compiletime_assert_7263' 
declared with attribute error: BUILD_BUG_ON failed: sizeof(*stats64) != 
sizeof(*netdev_stats)
    prefix ## suffix();    \
                    ^

Things are actually hard-wired to require that addition at the moment, or
you get the above build failure. Not sure if it's safe to remove that
BUILD_BUG_ON() yet, haven't looked closely, it's past my bed time. :)

-- 
Jarod Wilson
ja...@redhat.com

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