[ofa-general] Re: Re: [PATCH RFC] sharing userspace IB objects

Roland Dreier rdreier at cisco.com
Mon Jul 2 09:27:19 PDT 2007


 > > Correct. The number of messages in flight per EEC is 1 per IB spec.
 > > The fact that IB requires SQ WQEs to complete in order, even if their 
 > > destination is different EECs,
 > 
 > Where's this requirement in the spec (and could this be relaxed as it
 > seems like it is overly "specified") ? Just wondering...

I don't think we want to relax the requirement that work requests
complete in order.  It's hard enough to get applications correct
without having to worry about out-of-order completions, and I think
specifying all the corner cases would be a nightmare.  Eg do we allow
successful completions after a completion with error?  and so on...



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