> > > I've run this code with mthca and didn't notice any performance
> > > degradation, but I wasn't specifically measuring cq_poll overhead in a
> > > tight loop...
> >
> > We were speaking about ib_req_notify_cq here, actually, not cq poll.
> > So what was tested?
> >
>
> Sorry, I meant req_notify. I didn't specifically measure the cost of
> req_notify before and after this change.
>
> I've been running the user mode perftest programs mainly.
So, it's not really activated a lot there.
You want something like IPoIB BW test.
--
MST
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