netdev - Re: [PATCH] net: less interrupt masking in NAPI

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Message-ID: <547FC2A1.60105@huawei.com>
Date:	Thu, 4 Dec 2014 10:10:41 +0800
From:	Yang Yingliang <yangyingliang@...wei.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	David Miller <davem@...emloft.net>, <netdev@...r.kernel.org>,
	<willemb@...gle.com>
Subject: Re: [PATCH] net: less interrupt masking in NAPI

On 2014/12/3 19:52, Eric Dumazet wrote:
> On Wed, 2014-12-03 at 17:26 +0800, Yang Yingliang wrote:
> 
>> Before this patch, when a large network flow arrives, some other processes
>> response slowly or even don't response because the cpu is dealing with softirq.
>>
>> After this patch, under pressure, much more softirq is doing in ksoftirqd. The other
>> processes be scheduled.
>>
>> My system has dual core.
> 
> Which NIC driver are you using ?
> 
The driver we developed ourself, it's not upstreamed.

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