Re: [RFC Patch 1/3] netpoll: add generic support for bridge and bonding devices

[David Miller <davem@xxxxxxxxxxxxx>]

From: Cong Wang <amwang@xxxxxxxxxx>
Date: Tue, 23 Mar 2010 10:13:43 +0800

> Matt Mackall wrote:
>> Seems like a lot of interface for something to be used by only a
>> couple
>> core drivers. Hopefully Dave has an opinion here.
>> 
> 
> Yeah, I worry about this too, maybe we can group those methods
> for netpoll together into another struct, and just put a pointer
> here?

This looks like it's tackled at the wrong layer, to be honest.

Teaching all of these layers about eachother's states is
going to end up being a nightmare in the end.

All of this "where is the npinfo" business can be handled
generically in net/core/dev.c I think, with none of these
callbacks.

For example, something like "if dev lacks ->npinfo, check
it's master".

Another thing, I wouldn't iterate over all devices, like I
see in the bonding poll controller method.  Just whichever
one supports netpoll you see first, use it and exit
immediately.  Don't send it to every single port, I can't
see how that might be desirable or useful.
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