linux-kernel - Re: [PATCH 00/80] Kernel based checkpoint/restart [v18]

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Message-ID: <4AC20BB8.4070509@free.fr>
Date:	Tue, 29 Sep 2009 15:29:28 +0200
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	"Serge E. Hallyn" <serue@...ibm.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-api@...r.kernel.org, containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, mingo@...e.hu,
	torvalds@...ux-foundation.org, xemul@...nvz.org
Subject: Re: [PATCH 00/80] Kernel based checkpoint/restart [v18]

Serge E. Hallyn wrote:
> Quoting Andrew Morton (akpm@...ux-foundation.org):
>   
>> On Wed, 23 Sep 2009 19:50:40 -0400
>> Oren Laadan <orenl@...rato.com> wrote:
>>     
>>> Q: What about namespaces ?
>>> A: Currrently, UTS and IPC namespaces are restored. They demonstrate
>>>    how namespaces are handled. More to come.
>>>       
>> Will this new code muck up the kernel?
>>     

[ cut ]
> For network namespaces i think it's clearer that a wrapper
> program should set up the network for the restarted init task,
> while the usrspace code should recreate any private network
> namespaces and veth's which were created by the application.
> But it still needs discussion.
>   
Ok for the restart, but for the checkpoint, how do you access the 
network setup from a process which belongs to another namespace context ?

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