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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 3/3] net: core: add IFLA_STATS64 support
Date: Thu, 11 Mar 2010 13:30:26 -0800 (PST)
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From: Jan Engelhardt <jengelh@medozas.de>
Date: Thu, 11 Mar 2010 22:07:07 +0100 (CET)

> On a side note, is it perhaps possible to use jiffies-like magic to
> also have 64-bit counters on 32-bit, or is that still too expensive?

I think there might still be atomicity issues.

We've been telling people to poll periodically in userspace to avoid
these problems, but that has limitations as network speeds increase.