[openib-general] basic IB doubt

[Tang, Changqing]

>
>Actually, A knows the data is in B's memory when A gets the 
>completion notice.  B can't rely on anything unless A uses the 
>RDMA write with immediate which puts a completion event in B's CQ.

Ralph:

Can you give a few more words on 'immediate', I know A will have
A completion event in its CQ, Does B receive a CQ event on the 
Same RDMA operation as well ?

--CQ Tang



>Most applications on B ignore this requirement and test for 
>the last memory location being modified which usually works 
>but doesn't guarantee that all the data is in memory.
>
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