[openib-general] [PATCH/RFC] IB/ipoib: add selective tx signaling

[Michael S. Tsirkin]

>  > I am thinking about detecting that we are getting a completion each
>  > couple of microseconds, and just polling a bit more (even if CQ is empty)
>  > simply to avoid paying 10s micro for the next interrupt.
>  > This is just a fuzzy idea, but maybe this can work?
> 
> It's a good area to look at (assuming it's worth spending yet more
> time on IPoIB performance), but I think it's quite difficult to come
> up with a good solution.  For example search for Jamal's paper "When
> NAPI Comes to Town" to see some related work that was a failure in the
> end.

Thanks for the link.
What's a bit different here is that we mostly want to do this for
TX interrupts. The article speaks about RX interrupts.

-- 
MST