From: Jarek Poplawski <jarkao2@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: mikem@ring3k.org, shemminger@vyatta.com, netdev@vger.kernel.org,
flyboy@gmail.com, dhazelton@enter.net, mbreuer@majjas.com
Subject: Re: [PATCH] sky2: Lock transmit queue while disabling device
Date: Thu, 7 Jan 2010 06:35:46 +0000 [thread overview]
Message-ID: <20100107063545.GA6258@ff.dom.local> (raw)
In-Reply-To: <20100106.202701.161194890.davem@davemloft.net>
On 07-01-2010 05:27, David Miller wrote:
> From: Mike McCormack <mikem@ring3k.org>
> Date: Thu, 31 Dec 2009 19:55:31 +0900
>
>> netif_device_detach() does not take the tx_lock, so it's
>> possible that a call to sky2_xmit_frame is still in
>> progress after netif_device_detach() is complete.
>>
>> Take netif_tx_lock() to make sure all transmits have
>> stopped while we're disabling the devices and that
>> no other CPU is still transmitting a frame after
>> we've disabling the device.
>>
>> Proposed fix for "sky2 panic under load" reported by Berck E. Nash.
>>
>> Signed-off-by: Mike McCormack <mikem@ring3k.org>
>
> Applied to net-next-2.6
>
> Stephen has asked for some further refinements, once that is
> all sorted we can think about backporting this to net-2.6
> and -stable if necessary.
>
David, I'm not sure you chose the right (working) patch from this
thread. Please, reconsider this:
Subject: [PATCH v2] sky2: Fix oops in sky2_xmit_frame() after TX timeout
Date: Mon, 4 Jan 2010 19:48:41 +0100
http://permalink.gmane.org/gmane.linux.network/148160
Thanks,
Jarek P.
next prev parent reply other threads:[~2010-01-07 6:35 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-31 10:55 [PATCH] sky2: Lock transmit queue while disabling device Mike McCormack
2009-12-31 15:58 ` Michael Breuer
2009-12-31 16:15 ` Daniel Hazelton
2009-12-31 16:33 ` Berck Nash
2009-12-31 18:51 ` Jarek Poplawski
2009-12-31 23:51 ` Mike McCormack
2010-01-01 3:06 ` Berck E. Nash
2010-01-01 6:42 ` Stephen Hemminger
2010-01-01 18:31 ` Jarek Poplawski
2010-01-04 2:44 ` Berck E. Nash
2010-01-04 13:49 ` [PATCH] sky2: Fix oops in sky2_xmit_frame() after TX timeout Jarek Poplawski
2010-01-04 18:26 ` Stephen Hemminger
2010-01-04 18:48 ` [PATCH v2] " Jarek Poplawski
2010-01-07 4:27 ` [PATCH] sky2: Lock transmit queue while disabling device David Miller
2010-01-07 6:35 ` Jarek Poplawski [this message]
2010-01-07 8:01 ` David Miller
2010-01-07 8:15 ` Jarek Poplawski
2010-01-07 8:19 ` David Miller
2010-01-07 13:48 ` Stephen Hemminger
2010-01-07 18:08 ` Stephen Hemminger
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