netdev - Re: [RFC] netpoll: Is it ok to share a single napi from several devs ?

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Message-ID: <1283199549.2405.9.camel@edumazet-laptop>
Date:	Mon, 30 Aug 2010 22:19:09 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	Jarek Poplawski <jarkao2@...il.com>,
	David Miller <davem@...emloft.net>,
	herbert@...dor.apana.org.au, netdev@...r.kernel.org
Subject: Re: [RFC] netpoll: Is it ok to share a single napi from several
 devs ?

Le lundi 30 août 2010 à 13:12 -0700, Stephen Hemminger a écrit :
> On Mon, 30 Aug 2010 21:59:16 +0200
> Eric Dumazet <eric.dumazet@...il.com> wrote:
> 
> > So everybody jumped on GRO, while my concern was more the napi->dev
> > thing.
> > 
> > I pointed to gro because the commit was about gro, but gro was fine
> > IMHO.
> > 
> > Are we sure netpoll is ok ?
> 
> Netpoll is dependent on napi->netdev but does not cause problems.
> The sky2 driver doesn't expose netpoll on second port.
> The second port has different net_device_ops without netpoll.
> 
> 

Ah, great, thanks for clarification.


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