[openib-general] [PATCH] IB/ipoib: NAPI

[Shirley Ma]

Roland,

> Do you know how ehca behaves?  Does it have that race?  ie what
> happens in this situation:
>
>     poll CQ -> CQ is empty
>         (new completion is added to CQ)
>     request notify on CQ
>         (no more completions are added)
>
> Mellanox HCAs will generate a CQ event in this case, although it's not
> strictly required by the IB spec.  How will ehca behave?
>
>  - R.

That could be the reason. I did see mthca poll empty entry, but not on
ehca. I will confirm this with ehca team.

Thanks
Shirley Ma
IBM Linux Technology Center
15300 SW Koll Parkway
Beaverton, OR 97006-6063
Phone(Fax): (503) 578-7638
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