netdev - Re: [PATCH 8/8] net: Implement socketat.

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Message-ID: <4C9B3B06.900@parallels.com>
Date:	Thu, 23 Sep 2010 15:33:26 +0400
From:	Pavel Emelyanov <xemul@...allels.com>
To:	hadi@...erus.ca
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org,
	Linux Containers <containers@...ts.osdl.org>,
	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Daniel Lezcano <daniel.lezcano@...e.fr>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Ulrich Drepper <drepper@...il.com>,
	Al Viro <viro@...IV.linux.org.uk>,
	David Miller <davem@...emloft.net>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Ben Greear <greearb@...delatech.com>,
	Matt Helsley <matthltc@...ibm.com>,
	Jonathan Corbet <corbet@....net>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Jan Engelhardt <jengelh@...ozas.de>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH 8/8] net: Implement socketat.

On 09/23/2010 03:19 PM, jamal wrote:
> On Thu, 2010-09-23 at 12:56 +0400, Pavel Emelyanov wrote:
>> On 09/23/2010 12:51 PM, Eric W. Biederman wrote:
>>>
>>> Add a system call for creating sockets in a specified network namespace.
>>
>> What for?
> 
> I can see many uses if my understanding is correct..
> ex, from mother namespace:
> fdx = open socket at namespace blah
> from mother namespace, read/write/poll fdx 
> (eg add route with netlink socket)

This particular usecase is unneeded once you have the "enter" ability.

> cheers,
> jamal
> 
> 

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