netdev - Re: [patch net-next] net: add netnotifier event for upper device change

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Date:	Sat, 25 May 2013 23:14:13 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jiri@...nulli.us
Cc:	netdev@...r.kernel.org, edumazet@...gle.com,
	alexander.h.duyck@...el.com, xiyou.wangcong@...il.com
Subject: Re: [patch net-next] net: add netnotifier event for upper device
 change

From: Jiri Pirko <jiri@...nulli.us>
Date: Sat, 25 May 2013 16:12:10 +0200

> Now when upper device is changed, event is not propagated via RT Netlink
> to userspace. Userspace might never now about the change. Fix this by
> adding upper-device-change notifier event.
> 
> Signed-off-by: Jiri Pirko <jiri@...nulli.us>

Looks good, applied, thanks Jiri.

If someone is looking for a useful project, switching networking over to
a more typed notifier system would be a worthwhile improvement.

It's hard to right now to communicate what changed beyond "action X
happened to this object, you have to check to see exactly how it
changed"

This came up recently with the IFF_NOARP stuff.
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