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

[Sagi Grimberg]

>>> 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?

> The only way to encourage vendors to implement optional features is to
> actually use them in the OS...

I agree with you on that.