netdev - Re: [PATCH 2/2] Revert napi_poll fix for bonding driver

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Date:	Wed, 20 Oct 2010 15:52:00 +0800
From:	Cong Wang <amwang@...hat.com>
To:	nhorman@...driver.com
CC:	netdev@...r.kernel.org, bonding-devel@...ts.sourceforge.net,
	fubar@...ibm.com, davem@...emloft.net, andy@...yhouse.net
Subject: Re: [PATCH 2/2] Revert napi_poll fix for bonding driver

On 10/20/10 01:04, nhorman@...driver.com wrote:
> From: Neil Horman<nhorman@...driver.com>
>
> In an erlier patch I modified napi_poll so that devices with IFF_MASTER polled
> the per_cpu list instead of the device list for napi.  I did this because the
> bonding driver has no napi instances to poll, it instead expects to check the
> slave devices napi instances, which napi_poll was unaware of.  Looking at this
> more closely however, I now see this isn't strictly needed.  As the bond driver
> poll_controller calls the slaves poll_controller via netpoll_poll_dev, which
> recursively calls poll_napi on each slave, allowing those napi instances to get
> serviced.  The earlier patch isn't at all harmfull, its just not needed, so lets
> revert it to make the code cleaner.  Sorry for the noise,
>
> Signed-off-by: Neil Horman<nhorman@...driver.com>

Looks reasonable to me,

Reviewed-by: WANG Cong <amwang@...hat.com>

Thanks.
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