On Wed, 2017-01-18 at 11:42 -0700, Jason Gunthorpe wrote: > On Wed, Jan 18, 2017 at 10:30:20AM -0800, Adit Ranadive wrote: > > > > > We do register for netdev events so we get callbacks for the > > link state. The problem happens when we call ib_register before the > > vmxnet3 > > link is up. At this point the ib_core stack already has created the > > QP1, etc. > > Once the vmxnet3 link is up we would have to call > > ib_unregister/ib_register > > to recreate QP1. This might fail/stuck if the there is a user app > > thats created > > QPs and we're just waiting to free those resources. > > Having to register/unregister on every link transition sounds like a > horrible design, you should fix that :) Indeed. -- Doug Ledford <dledford@xxxxxxxxxx> GPG KeyID: B826A3330E572FDD Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD
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