netdev - Re: [PATCH] skge: resolve tx multiqueue bug

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Message-ID: <4887D46C.80304@cn.fujitsu.com>
Date:	Thu, 24 Jul 2008 09:01:32 +0800
From:	Wang Chen <wangchen@...fujitsu.com>
To:	David Miller <davem@...emloft.net>
CC:	markus@...ppelsdorf.de, ag@...ssandroguido.name,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] skge: resolve tx multiqueue bug

David Miller said the following on 2008-7-24 6:30:
> From: Wang Chen <wangchen@...fujitsu.com>
> Date: Wed, 23 Jul 2008 23:21:14 +0800
> 
>> Markus Trippelsdorf said the following on 2008-7-23 22:03:
>>> On Wed, Jul 23, 2008 at 12:18:27PM +0200, Markus Trippelsdorf wrote:
>>>> On Wed, Jul 23, 2008 at 04:50:13PM +0800, Wang Chen wrote:
>>>>> Markus Trippelsdorf said the following on 2008-7-23 13:40:
>>>>>> On Tue, Jul 22, 2008 at 11:54:26AM +0200, Alessandro Guido wrote:
>>>>>>> Got a WARNING this morning (2.6.26-05752-g93ded9b) and I think it's related.
>>>>>> Same thing here (latest git):
>>>>>>
>>>>>> skge eth1: enabling interface
>>>>>> skge eth1: disabling interface
>>>>>> ------------[ cut here ]------------
>>>>>> WARNING: at net/core/dev.c:1344 __netif_schedule+0x24/0x6d()
>>>>>> Pid: 1904, comm: ip Not tainted 2.6.26-06077-gc010b2f #33
>>>>>>  [<ffffffff8020b3eb>] system_call_after_swapgs+0x7b/0x80
>>>> ...
>>>>>> ---[ end trace 92936ef183e09876 ]---
>>>>>> skge eth1: enabling interface
>>>>>> skge eth1: Link is up at 100 Mbps, full duplex, flow control both
>>>>>>
>>>>> Markus, please try this.
>>>>>
>>>>> - Add netif_start_queue() in ->open()
>>>>> - netif_carrier_*() is enough, remove netif_*_queue()
>>>> Unfortunately, your patch does not fix this. I still get the same warning.
>>>>
>>> This patch works for me:
>> Your patch works for me too. So I think it's better than mine. :)
>>
>> Tested-by: Wang Chen <wangchen@...fujitsu.com>
>>
>> Dave, since Markus and me tested this patch, would you please apply it?
> 
> I can't, it's whitespace damaged.  All the tabs are turned into spaces,
> also there is no signoff from Markus.
> 

OK. So let it be, since you removed the warning from __netif_schedule().
I will wait for your netif_tx_{free,unfreeze}() :)

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