netdev - Re: [PATCH net-next-2.6] vlan: lockless transmit path

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Message-Id: <20101116.112424.102532013.davem@davemloft.net>
Date:	Tue, 16 Nov 2010 11:24:24 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: [PATCH net-next-2.6] vlan: lockless transmit path

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 11 Nov 2010 10:42:00 +0100

> vlan is a stacked device, like tunnels. We should use the lockless
> mechanism we are using in tunnels and loopback.
> 
> This patch completely removes locking in TX path.
> 
> tx stat counters are added into existing percpu stat structure, renamed
> from vlan_rx_stats to vlan_pcpu_stats.
> 
> Note : this partially reverts commit 2e59af3dcbdf (vlan: multiqueue vlan
> device)
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied, although there were some conflicts since John Fastabend
made some vlan changes recently.

Please double check my work.
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