netdev - Re: [PATCH net-next 2/2] sunvnet: vnet_start

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Message-ID: <20141001194403.GM17706@oracle.com>
Date:	Wed, 1 Oct 2014 15:44:03 -0400
From:	Sowmini Varadhan <sowmini.varadhan@...cle.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	davem@...emloft.net, raghuram.kothakota@...cle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] sunvnet: vnet_start_xmit() must hold a
 refcnt on port.

On (10/01/14 12:05), Eric Dumazet wrote:
> 
> Hmpff... This calls for rcu protection here !
> 

I did consider that, but given that the lists containing the ports are
accessed in multiple contexts, some of which can sleep, and given that
the vnet port is similar in spirit to the net_device, I followed the
net_device model of dev_put etc.

--Sowmini

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