[openib-general] [PATCH/RFC 1/2] IB: Return "maybe_missed_event" hint from ib_req_notify_cq()

[Shirley Ma]

>From the code work through, if defering rotting packet process by return
(missed_event && netif_rx_reschedule(dev, 0)); Then the same dev->poll can
be added to per cpu poll list twice: one is from netif_rx_reschedule, one
is from napi return 1. That might explains packets out of order: when one
poll finishes and reset LINK SCHED bit and the next interrupt runs on other
cpu.

Thanks
Shirley Ma
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