[openib-general] re the core network changes to support network event notification

[Michael S. Tsirkin]

Quoting r. Steve Wise <swise at opengridcomputing.com>:
> > So the current solution was to memcmp the neigh info with what IPoIB 
> > knows about this nieghbor on the data path.
> > 
> > With your patch, i guess this memcmp can be eliminated.
> > 
> 
> I think so. With netevents, I think you'll update your AH entries when
> the HA changes as opposed to doing the memcmp() on every xmit.  
> 

Need to be careful not to deadlock however.
Is it OK for network device to use netevents?
What locks are held when netevent is generated?

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MST