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From: Xing Zheng <zhengxing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
To: Michael Niewoehner <linux-zzFNMPX9jIaDjmgdnaGrkw@public.gmane.org>
Cc: caesar.upstream-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org,
	zhengxing <zhengxing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Shuyu Wei <sy.w-1ViLX0X+lBJBDgjK7y7TUQ@public.gmane.org>,
	davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org
Subject: Re: [PATCH RESEND] ethernet:arc: Move arc_emac_tx_clean() into arc_emac_tx() and disable tx interrut
Date: Fri, 19 Feb 2016 21:59:27 +0800	[thread overview]
Message-ID: <56C71FBF.1070303@rock-chips.com> (raw)
In-Reply-To: <85B47C95-B524-4A25-90C7-95AE614AB3A2-zzFNMPX9jIaDjmgdnaGrkw@public.gmane.org>

On 2016年02月19日 19:13, Michael Niewoehner wrote:
> Am 19.02.2016 um 07:59 schrieb Shuyu Wei<sy.w@outlook.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@outlook.com>
> Tested-by: Michael Niewoehner<linux@mniewoehner.de>
Tested-by: Xing Zheng <zhengxing@rock-chips.com>

Thanks.

-- 
- Xing Zheng



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  parent reply	other threads:[~2016-02-19 13:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-19  6:59 [PATCH RESEND] ethernet:arc: Move arc_emac_tx_clean() into arc_emac_tx() and disable tx interrut Shuyu Wei
2016-02-19 11:13 ` Michael Niewoehner
     [not found]   ` <85B47C95-B524-4A25-90C7-95AE614AB3A2-zzFNMPX9jIaDjmgdnaGrkw@public.gmane.org>
2016-02-19 13:59     ` Xing Zheng [this message]
  -- strict thread matches above, loose matches on Subject: below --
2016-01-26  4:47 Shuyu Wei

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