> Under heavy TX load, bnx2x_poll() can loop forever and trigger soft lockup
> bugs.
>
> A napi poll handler must yield after one TX completion round, risk of
> livelock is
> too high otherwise.
>
> Bug is very easy to trigger using a debug build, and udp flood, because of
> added
> cpu cycles in TX completion, and we do not receive enough packets to break the
> loop.
Eric - I understand what you're doing and it looks fine [to me, at least].
Out of curiosity, do you know whether removing the loop damages any
other flow, i.e., by slowing transmitter as transmission rings gets filled
completely between consecutive NAPI runs?
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