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From: David Miller <davem@davemloft.net>
To: kaber@trash.net
Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org,
	greearb@candelatech.com, bhutchings@solarflare.com
Subject: Re: [PATCH net-next-2.6 v2] macvlan: lockless tx path
Date: Tue, 16 Nov 2010 10:59:31 -0800 (PST)	[thread overview]
Message-ID: <20101116.105931.28828795.davem@davemloft.net> (raw)
In-Reply-To: <4CDCF8C3.6010007@trash.net>

From: Patrick McHardy <kaber@trash.net>
Date: Fri, 12 Nov 2010 09:20:19 +0100

> On 11.11.2010 08:14, Eric Dumazet wrote:
>> macvlan 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 rx_stats to pcpu_stats.
>> 
>> Note : this reverts commit 2c11455321f37 (macvlan: add multiqueue
>> capability)
>> 
>> Note : rx_errors converted to a 32bit counter, like tx_dropped, since
>> they dont need 64bit range.
>> 
>> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
>> Cc: Patrick McHardy <kaber@trash.net>
>> Cc: Ben Greear <greearb@candelatech.com>
>> Cc: Ben Hutchings <bhutchings@solarflare.com>
>> ---
>> V2: correct kerneldoc
>>     u32 for tx_dropped and rx_errors
> 
> Looks good to me.
> 
> Acked-by: Patrick McHardy <kaber@trash.net>

Applied, thanks everyone.

      reply	other threads:[~2010-11-16 18:59 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-10 15:41 [PATCH] macvlan: lockless tx path Eric Dumazet
2010-11-10 17:39 ` Ben Greear
2010-11-10 17:43   ` Eric Dumazet
2010-11-10 17:53     ` Ben Greear
2010-11-10 18:18       ` Eric Dumazet
2010-11-10 18:40         ` Ben Greear
2010-11-10 20:33           ` Eric Dumazet
2010-11-10 21:04             ` Ben Hutchings
2010-11-10 21:12               ` Eric Dumazet
2010-11-10 21:53                 ` Ben Hutchings
2010-11-10 21:35             ` Ben Greear
2010-11-10 22:21               ` Eric Dumazet
2010-11-10 22:53                 ` Ben Greear
2010-11-10 23:24                   ` Eric Dumazet
2010-11-10 23:36                   ` Eric Dumazet
2010-11-10 23:46                     ` Ben Greear
2010-11-11  7:03                       ` Eric Dumazet
2010-11-11 16:40                         ` Ben Greear
2010-11-11 16:56                           ` Eric Dumazet
2010-11-11 17:20                             ` Ben Greear
2010-11-11 18:02                               ` Eric Dumazet
2010-11-11 18:13                                 ` Ben Greear
2010-11-11 18:46                                   ` Eric Dumazet
2010-11-11  7:14     ` [PATCH net-next-2.6 v2] " Eric Dumazet
2010-11-12  8:20       ` Patrick McHardy
2010-11-16 18:59         ` David Miller [this message]

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