netdev - Re: [PATCH net-next 4/4] net: Add Open vSwitch kernel components.

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Message-ID: <20111118152334.2c2a9761@nehalam.linuxnetplumber.net>
Date:	Fri, 18 Nov 2011 15:23:34 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Jesse Gross <jesse@...ira.com>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	dev@...nvswitch.org
Subject: Re: [PATCH net-next 4/4] net: Add Open vSwitch kernel components.

On Fri, 18 Nov 2011 15:12:18 -0800
Jesse Gross <jesse@...ira.com> wrote:

> +		write_seqcount_begin(&stats->seqlock);
> +		stats->tx_packets++;
> +		stats->tx_bytes += sent;
> +		write_seqcount_end(&stats->seqlock);

There is a u64_stats_sync set of macros for this. It has the
advantage of becoming a NOP on 64 bit platforms.
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