Re: [PATCH 2/9] IB: add a proper completion queue abstraction

[Christoph Hellwig]

On Sun, Nov 22, 2015 at 12:36:00PM +0200, Sagi Grimberg wrote:
>
>> Wouldn't it be a better idea to set the WQ_SYSFS interface and use
>> the standard sysfs interface for specifying cpumasks or node affinity?
>
> I think that bart wants to allow the caller to select cpu affinity
> per CQ. In this case ib_alloc_cq in workqueue mode would need to
> accept a affinity_hint from the caller (default to wild-card 
> WORK_CPU_UNBOUND).

Hmm, true.  How would be set that hint from userspace?  I'd really prefer
to see a practical justification for it first.
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