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From: ebiederm@xmission.com (Eric W. Biederman)
To: James Morris <jmorris@namei.org>
Cc: Daniel Lezcano <dlezcano@fr.ibm.com>,
	Andrey Savochkin <saw@swsoft.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	serue@us.ibm.com, haveblue@us.ibm.com, clg@fr.ibm.com,
	Andrew Morton <akpm@osdl.org>,
	dev@sw.ru, herbert@13thfloor.at, devel@openvz.org,
	sam@vilain.net, Al Viro <viro@ftp.linux.org.uk>,
	Alexey Kuznetsov <alexey@sw.ru>
Subject: Re: Network namespaces a path to mergable code.
Date: Wed, 28 Jun 2006 18:19:05 -0600	[thread overview]
Message-ID: <m164ikeruu.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0606281851300.16528@d.namei> (James Morris's message of "Wed, 28 Jun 2006 18:54:22 -0400 (EDT)")

James Morris <jmorris@namei.org> writes:

> On Wed, 28 Jun 2006, Daniel Lezcano wrote:
>
>> The attached patch can have some part interesting for you for the socket
>> tagging. It is in the IPV4 isolation (part 5/6). With this and the private
>> routing table you will probably have a good IPV4 isolation.
>
> Please send patches inline, do not attach them.
>
> (Perhaps we should have a filter on vger which drops emails with 
> attachements).
>
> All of this needs to be done in a way where it can be entirely disabled at 
> compile time, so there is zero overhead for people who don't want 
> network namespaces.

I agree with the principle of no overhead.  

The goal is an implementation that has no measurable overhead when
there is only one network namespace. 

If that goal is achieved and you can compile in the network namespace
code and not measure overhead there should be no need for a compile
time option.

Eric

  reply	other threads:[~2006-06-29  0:20 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-26  9:49 [patch 1/4] Network namespaces: cleanup of dev_base list use Andrey Savochkin
2006-06-26  9:52 ` [patch 2/4] " Andrey Savochkin
2006-06-26  9:54   ` [patch 3/4] Network namespaces: IPv4 FIB/routing in namespaces Andrey Savochkin
2006-06-26  9:55     ` [patch 4/4] Network namespaces: playing and debugging Andrey Savochkin
2006-06-26 15:04       ` Daniel Lezcano
2006-06-26 15:43         ` Andrey Savochkin
2006-06-26 17:29           ` Daniel Lezcano
2006-06-26 19:34             ` Andrey Savochkin
2006-06-26 14:56     ` [patch 3/4] Network namespaces: IPv4 FIB/routing in namespaces Daniel Lezcano
2006-06-26 15:46       ` Andrey Savochkin
2006-06-26 15:57         ` Daniel Lezcano
2006-06-26 19:39           ` Andrey Savochkin
2006-06-26 20:05       ` Herbert Poetzl
2006-06-27  9:25         ` Andrey Savochkin
2006-06-28 13:51       ` Daniel Lezcano
2006-06-28 14:19         ` Herbert Poetzl
2006-06-28 14:30         ` Andrey Savochkin
2006-06-28 14:34           ` Kirill Korotaev
2006-06-28 16:56             ` Daniel Lezcano
2006-06-28 17:10               ` Ben Greear
2006-06-28 15:05         ` Eric W. Biederman
2006-06-26 15:13 ` [RFC][patch 1/4] Network namespaces: cleanup of dev_base list use Eric W. Biederman
2006-06-26 15:42   ` [patch " Andrey Savochkin
2006-06-26 16:26     ` Eric W. Biederman
2006-06-26 20:14       ` Andrey Savochkin
2006-06-26 21:02         ` Eric W. Biederman
2006-06-27  6:59   ` [RFC][patch " Kirill Korotaev
2006-06-27 11:13     ` Eric W. Biederman
2006-06-27 15:08       ` Kirill Korotaev
2006-06-27 15:26         ` Serge E. Hallyn
2006-06-27 16:54         ` Eric W. Biederman
2006-06-27 17:20 ` [RFC] Network namespaces a path to mergable code Eric W. Biederman
2006-06-27 17:58   ` Andrey Savochkin
2006-06-27 22:20     ` Sam Vilain
2006-06-28  4:33       ` Eric W. Biederman
2006-06-28  5:59         ` Abdallah Chatila
2006-06-28  6:19         ` Sam Vilain
2006-06-28  6:55           ` Eric W. Biederman
2006-06-28  9:54             ` Cedric Le Goater
2006-06-28 14:03               ` Eric W. Biederman
2006-06-28 14:15                 ` Serge E. Hallyn
2006-06-28 14:56                   ` Eric W. Biederman
2006-06-28  4:20     ` Eric W. Biederman
2006-06-28 11:06       ` Andrey Savochkin
2006-06-28 16:51         ` Eric W. Biederman
2006-06-28 17:22           ` Andrey Savochkin
2006-06-28 17:40             ` Herbert Poetzl
2006-06-28 17:50             ` Eric W. Biederman
2006-06-28 18:11             ` Eric W. Biederman
2006-06-28 18:14             ` Eric W. Biederman
2006-06-28 18:51               ` Andrey Savochkin
2006-06-28 21:53         ` Daniel Lezcano
2006-06-28 22:54           ` James Morris
2006-06-29  0:19             ` Eric W. Biederman [this message]
2006-06-29  0:25           ` Eric W. Biederman
2006-06-29  9:42             ` Daniel Lezcano
2006-06-28 10:20   ` [RFC] " Cedric Le Goater
2006-06-28 15:20     ` Eric W. Biederman

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