netdev - Re: [Patch net] netns: avoid allocating idr when dumping info

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Message-ID: <1425056158.5130.17.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 27 Feb 2015 08:55:58 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	nicolas.dichtel@...nd.com
Cc:	Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org
Subject: Re: [Patch net] netns: avoid allocating idr when dumping info

On Fri, 2015-02-27 at 17:25 +0100, Nicolas Dichtel wrote:

> That's true. The patch does not cover the following case:
> ip link add foo type bar
> ip link set foo netns netns1
> 
> In this case, the second command will call dev_change_net_namespace() and the
> id will not be allocated.
> 
> I think Eric's patch is simpler and less error-prone.
> 
> FWIW, I will be off for one week and probably without any internet access ;-)

I am cooking an official patch right now, thanks !


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