netdev - Re: [PATCH] net: neighbour table ABI problem

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Message-ID: <20080522002042.GO20815@postel.suug.ch>
Date:	Thu, 22 May 2008 02:20:42 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	David Miller <davem@...emloft.net>
Cc:	shemminger@...tta.com, kaber@...sh.net, Stephane_Chazelas@...oo.fr,
	netdev@...r.kernel.org
Subject: Re: [PATCH] net: neighbour table ABI problem

* David Miller <davem@...emloft.net> 2008-05-21 13:35
> From: Stephen Hemminger <shemminger@...tta.com>
> Date: Wed, 21 May 2008 10:40:19 -0700
> 
> > This change is small, but it breaks the ABI for older version of iproute2 utilities.
> > But these utilities are already broken since they are looking at the psched_hz values
> > which are completely different. So let's just go ahead and fix both kernel and user
> > space. Older utilities will just print wrong values.
> > 
> 
> Can we add a new attribute or something like that?

We could do but I agree with Stephen to just fix it the way he
proposes. The value we're talking is only useful in a debugging
or statistical context. We're not changing the format of the
attribute at all, not even the unit, srictly speaking.
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