On Mon, Aug 20, 2018 at 01:54:20PM -0700, Sagi Grimberg wrote:
> nvme-rdma attempts to map queues based on irq vector affinity.
> However, for some devices, completion vector irq affinity is
> configurable by the user which can break the existing assumption
> that irq vectors are optimally arranged over the host cpu cores.

IFF affinity is configurable we should never use this code,
as it breaks the model entirely.  ib_get_vector_affinity should
never return a valid mask if affinity is configurable.

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