netdev - Re: [PATCH 3/9] veth: convert to 64 bit statistics

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Message-ID: <20110608202241.52ce68ae@nehalam.ftrdhcpuser.net>
Date:	Wed, 8 Jun 2011 20:22:33 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 3/9] veth: convert to 64 bit statistics

On Thu, 09 Jun 2011 03:00:41 +0100
Ben Hutchings <bhutchings@...arflare.com> wrote:

> On Wed, 2011-06-08 at 17:53 -0700, Stephen Hemminger wrote:
> > Not much change, device was already keeping per cpu statistics.
> > Use recent 64 statistics interface.
> [...]
> 
> It's also going to need to use u64_stats_sync functions.
> 
> Ben.
> 

No veth is doing per-cpu update therefore the new code has the same guarantee
as the old code.
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