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

Jason Gunthorpe jgg at ziepe.ca
Mon Nov 20 11:24:02 PST 2017


On Mon, Nov 20, 2017 at 02:10:13PM +0200, Sagi Grimberg wrote:
> 
> >>>It is too bad we can't re-size CQs.. Can we?
> >>
> >>I wish we could, but its an optional feature so I can't see how we can
> >>use it.
> >
> >Well, it looks like mlx4/5 can do it, which covers a huge swath of
> >deployed hardware..
> >
> >I'd say make an optimal implementation using resize_cq and just a working
> >implementation without it?
> 
> I can experiment with it, sure. Do you think that its a must have for
> first phase though?

Not clear to me.. Bart?

Jason



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