Re: overflows in /proc/net/dev

From: Stephen Hemminger
Date: Thu Aug 18 2005 - 17:13:25 EST


On Thu, 18 Aug 2005 14:32:48 -0700 (PDT)
"David S. Miller" <davem@xxxxxxxxxxxxx> wrote:

> From: Chris Wedgwood <cw@xxxxxxxx>
> 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.
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