netdev - Re: [RFC PATCH v2] Gemini: Gigabit ethernet driver

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Date:	Mon, 27 Dec 2010 21:12:22 -0800 (PST)
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	Michał Mirosław <mirq-linux@...e.qmqm.pl>,
	gemini-board-dev@...ts.berlios.de, netdev@...r.kernel.org,
	Christoph Biedl <linux-kernel.bfrz@...chmal.in-ulm.de>,
	Hans Ulli Kroll <ulli.kroll@...glemail.com>
Subject: Re: [RFC PATCH v2] Gemini: Gigabit ethernet driver



----- Original Message -----
> On Mon, 2010-12-27 at 20:21 +0100, Hans Ulli Kroll wrote:
> [...]
> > BTW:
> >
> > Why u64_stats ?
> > I see only a few driver are using u64_stats.
> > vlan, br_device and some intel driver
> > no gigabit driver for marvell devices uses u64_stats
> 
> All new net drivers should implement 64-bit stats. net_device_stats is
> kept for backward compatibility because we couldn't change all the
> existing drivers at once (it's not a simple change for all of them).
> 
> Ben.

BS. drivers with old stats are fine. 64 bit only really matters
at higher speed. Anyway, it is the kind of thing that can easily
be fixed later after driver is merged.



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