netdev - Re: [PATCH RESEND] ethernet:arc: Move arc_emac_tx_clean() into arc_emac

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Message-ID: <56C71FBF.1070303@rock-chips.com>
Date:	Fri, 19 Feb 2016 21:59:27 +0800
From:	Xing Zheng <zhengxing@...k-chips.com>
To:	Michael Niewoehner <linux@...ewoehner.de>
CC:	Shuyu Wei <sy.w@...look.com>, caesar.upstream@...il.com,
	heiko@...ech.de, davem@...emloft.net, netdev@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	zhengxing <zhengxing@...k-chips.com>
Subject: Re: [PATCH RESEND] ethernet:arc: Move arc_emac_tx_clean() into arc_emac_tx()
 and disable tx interrut

On 2016年02月19日 19:13, Michael Niewoehner wrote:
> Am 19.02.2016 um 07:59 schrieb Shuyu Wei<sy.w@...look.com>:
>
>> Doing tx_clean() inside poll() may scramble the tx ring buffer if
>> tx() is running. This will cause tx to stop working, which can be
>> reproduced by simultaneously downloading two large files at high speed.
>>
>> Moving tx_clean() into tx() will prevent this. And tx interrupt is no
>> longer needed now.
>>
>> Signed-off-by: Shuyu Wei<sy.w@...look.com>
> Tested-by: Michael Niewoehner<linux@...ewoehner.de>
Tested-by: Xing Zheng <zhengxing@...k-chips.com>

Thanks.

-- 
- Xing Zheng