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.
In order to assign CPUs from user-space we'd need an ethtool like
interface for isert/srpt/<xxxt>. Given that this is something we don't
want to get into right now, I assumed that Bart meant that srpt
would take a "least used" approach from srpt driver (which isn't better
taking the wild-card option I'd say), So I'll let Bart answer...
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