[PATCH v3 0/9] Introduce per-device completion queue pools

[Jason Gunthorpe]

On Mon, Nov 13, 2017 at 10:31:26PM +0200, Sagi Grimberg wrote:
> 
> >>But I'm afraid don't understand how the fact that ULPs will run on
> >>different ports matter? how would the fact that we had two different
> >>pools on different ports make a difference?
> >
> >If each RDMA port is only used by a single ULP then the ULP driver can provide
> >a better value for the CQ size than IB_CQE_BATCH. If CQ pools would be created
> >by ULPs then it would be easy for ULPs to pass their choice of CQ size to the
> >RDMA core.
> 
> But if that is not the case, maybe we may have less completion
> aggragation per interrupt.

It is too bad we can't re-size CQs.. Can we?

Jason