netdev - Re: Bug in drivers/net/ethernet/freescale/fec

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Date:	Sun, 22 Mar 2015 23:08:01 +0300
From:	Панов Андрей <rockford@...dex.ru>
To:	Fabio Estevam <festevam@...il.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	"fugang.duan@...escale.com" <fugang.duan@...escale.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: Bug in drivers/net/ethernet/freescale/fec_main.c, TX is broken. In 4.0.0-rc3

Hi!

22.03.2015, 01:35, "Fabio Estevam" <festevam@...il.com>:
> Hi Russell,
>
> On Sat, Mar 21, 2015 at 5:53 PM, Russell King - ARM Linux
> <linux@....linux.org.uk> wrote:
>>  Given that this bug can seriously screw data up in undetectable ways (TCP
>>  checksums don't save you, because the FEC generates them on the data which
>>  it read from memory, even if it happened to read the data from the SoC's
>>  boot ROM) we do need to get this fixed ASAP.
>
> Current mainline has 2b995f63987013 reverted, so 4.0-rc5 will not have
> this corruption problem.

I've tested with current mainline and with mainline+2b995f63987013 commit with Russell's
fix and it both works fine, without corruption.

--
 Андрей
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