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From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: davem@davemloft.net, raghuram.kothakota@oracle.com,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next 2/2] sunvnet: vnet_start_xmit() must hold a refcnt on port.
Date: Wed, 1 Oct 2014 15:44:03 -0400	[thread overview]
Message-ID: <20141001194403.GM17706@oracle.com> (raw)
In-Reply-To: <1412190324.16704.57.camel@edumazet-glaptop2.roam.corp.google.com>

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

  reply	other threads:[~2014-10-01 19:44 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-01 18:56 [PATCH net-next 2/2] sunvnet: vnet_start_xmit() must hold a refcnt on port Sowmini Varadhan
2014-10-01 19:05 ` Eric Dumazet
2014-10-01 19:44   ` Sowmini Varadhan [this message]
2014-10-01 20:15     ` Eric Dumazet
2014-10-01 20:19       ` Sowmini Varadhan
2014-10-01 20:24         ` David Miller
2014-10-01 19:06 ` David L Stevens
2014-10-01 19:23   ` Sowmini Varadhan
2014-10-01 19:31     ` David L Stevens
2014-10-01 19:52       ` David Miller
2014-10-02  3:36         ` Raghuram Kothakota
2014-10-02  3:23       ` Raghuram Kothakota

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