[openib-general] Re: CMA deadlock

[Sean Hefty]

Michael S. Tsirkin wrote:
> The current approach seems racy: what if e.g. listen call is in progress?  It
> looks at id_priv->cm_id.ib which seemingly might change under its feet.

There shouldn't be any races.  Callbacks from the IB CM are serialized, so we're 
in the only callback that can occur.  And if the user destroys the rdma_id by 
returning a non-zero value in the callback, then they cannot be using that same 
id in any other call.

- Sean