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Reese Faucette f35d9b50e3 Cisco CSCuj22803: fixes for Bsend
changes required to support MPI_Bsend().  Introduces concept of
attaching a buffer to a large segment that the PML can scribble into and
we will send from.  The reason we don't use a pinned buffer and send
directly from that is that usnic_verbs does not (yes) support num_sge>1
for regular sends.  This means the data gets copied twice, but that is
unavoidable.

changed the logic in handle_large_send to be more sensible

Incorporated David's review comments

This commit was SVN r29184.
2013-09-17 07:27:39 +00:00
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2013-09-17 07:27:39 +00:00
2013-09-15 15:00:40 +00:00
2013-09-16 12:36:28 +00:00
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