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Date: Thu, 18 Aug 2005 15:13:01 -0700
From: Stephen Hemminger <shemminger@osdl.org>
To: "David S. Miller" <davem@davemloft.net>
Cc: cw@f00f.org, Sebastian.Classen@freenet-ag.de, linux-kernel@vger.kernel.org,
       netdev@vger.kernel.org
Subject: Re: overflows in /proc/net/dev
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On Thu, 18 Aug 2005 14:32:48 -0700 (PDT)
"David S. Miller" <davem@davemloft.net> wrote:

> From: Chris Wedgwood <cw@f00f.org>
> Date: Thu, 18 Aug 2005 09:33:58 -0700
> 
> > I thought the concensurs here was that because doing reliable atomic
> > updates of 64-bit values isn't possible on some (most?) 32-bit
> > architectures so we need additional locking to make this work which is
> > undesirable?  (It might even be a FAQ by now as this comes up fairly
> > often).
> 
> That's correct.

Also width of fields in /proc/net/dev can't change without potentially
breaking ABI of applications.