Re: lockups with netconsole on e1000 on media insertion

[Andi Kleen]

> But why are we in a hurry to dump the backlog on the floor? Why are we
> worrying about the performance of netpoll without the cable plugged in
> at all? We shouldn't be optimizing the data loss case.

Because a system shouldn't stall for minutes (or forever like right now) 
at boot just because the network cable isn't plugged in.

> 
> My primary concern here is that the loop have a non-negligible extent
> in time. 5 loops is effectively equal to none. I'd be very surprised
> if it was even enough for deglitching.

In the normal case the packets should just be send out.

-Andi
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