[ofa-general] post_recv question

[Steve Wise]

Jack Morgenstein wrote:
> On Thursday 21 February 2008 18:34, Steve Wise wrote:
>> This clearly is a implementation-specific issue.  But I was under the 
>> assumption that all the RDMA HW behaves this way.  Maybe not?
>>
> For RDMA operations, NO receive WQE needs to be posted.  The rdma target
> is a memory region, with an rkey.  The target advertises the rkey and the
> address, and the source posts an rdma operation using the target data.
> 
> No completion is generated on the target (if there is no immediate data in the
> send).
> 
> - Jack


I'm not communicating clearly I guess.  This issue is only with posting 
RECVS.  Not RDMA read/write.