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From: Pavel Emelyanov <xemul@openvz.org>
To: Nick Andrew <nick@nick-andrew.net>
Cc: trivial@kernel.org, linux-kernel@vger.kernel.org,
	Serge Hallyn <serue@us.ibm.com>
Subject: Re: Improve init/Kconfig help descriptions [PATCH 3/9]
Date: Tue, 19 Feb 2008 18:16:53 +0300	[thread overview]
Message-ID: <47BAF2E5.8050001@openvz.org> (raw)
In-Reply-To: <20080219151028.GA28294@tull.net>

Nick Andrew wrote:
> On Tue, Feb 19, 2008 at 05:42:07PM +0300, Pavel Emelyanov wrote:
>> Nick Andrew wrote:
>>> On Wed, Feb 20, 2008 at 01:06:09AM +1100, Nick Andrew wrote:
>>>> Here is a series of 9 patches to init/Kconfig intended to improve the
>>>> usefulness and consistency of the help descriptions. The patches are
>>>> against linux-2.6.24.2.
>>>> [...]
>>>> Patch 3
>>>> 	USER_NS
>>>> 	PID_NS
>> What about UTS_NS, IPC_NS and NET_NS? 
>> Their descriptions can be improved in the same way :)
> 
> So far I have edited only init/Kconfig, that's what these 9
> patches are for. Next I'll do block/Kconfig. Eventually I expect
> to get to net/Kconfig which is where NET_NS is configured,
> but I don't know where UTS_NS and IPC_NS come from in 2.6.24.2.
> 
> I expect I'll have to start patching against a git tree soon,
> to be sure to see the latest code. I assume this should be
> Linus' tree?

Both UTS_NS and IPC_NS are in init/Kconfg. At least they are
in 2.6.25-rc2 :)

> Is there any actual documentation on user namespaces and friends?

Hardly :(

> I think I grasp the pid namespaces concept; I am having a little
> difficulty visualising what function user namespaces performs.
> "provide different user info" isn't a very useful description and
> I'd fix it if I understood what it is supposed to mean.

The pid namespaces are described here: http://lwn.net/Articles/259217/

> To make a guess at it, how about:
> 
>    Enable support for user namespaces.
> 
>    This is a function used by container-based virtualisation systems
>    (e.g. vservers). User namespaces ensures that processes with the
>    same uid which are in different containers are isolated from each other.
> 
>    Answer Y if you require container-based virtualisation like
>    vservers. If unsure, say N.

You'd better talk to Serge Hallyn (in Cc) about them. He had some
thoughts on how to complete them :)

> Nick.


  reply	other threads:[~2008-02-19 15:17 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-19 14:06 Improve init/Kconfig help descriptions [PATCH 0/9] Nick Andrew
2008-02-19 14:09 ` Improve init/Kconfig help descriptions [PATCH 1/9] Nick Andrew
2008-02-19 14:11 ` Improve init/Kconfig help descriptions [PATCH 2/9] Nick Andrew
2008-02-19 14:33 ` Improve init/Kconfig help descriptions [PATCH 3/9] Nick Andrew
2008-02-19 14:42   ` Pavel Emelyanov
2008-02-19 15:10     ` Nick Andrew
2008-02-19 15:16       ` Pavel Emelyanov [this message]
2008-02-19 15:50         ` Serge E. Hallyn
2008-02-19 16:44         ` Randy Dunlap
2008-02-19 22:41           ` Nick Andrew
2008-02-20 12:19           ` [PATCH 2.6.25-rc2 3/9] config: Improve init/Kconfig help descriptions - namespaces Nick Andrew
2008-02-20 12:23             ` Pavel Emelyanov
2008-02-20 13:01               ` Nick Andrew
2008-02-20 13:07                 ` Pavel Emelyanov
2008-02-20 16:50             ` serge
2008-02-20 23:10               ` Nick Andrew
2008-02-19 14:38 ` Improve init/Kconfig help descriptions [PATCH 4/9] Nick Andrew
2008-02-20  3:42   ` Valdis.Kletnieks
2008-02-20 22:17     ` Nick Andrew
2008-02-19 14:53 ` Improve init/Kconfig help descriptions [PATCH 5/9] Nick Andrew
2008-02-19 20:17   ` Randy Dunlap
2008-02-19 15:12 ` Improve init/Kconfig help descriptions [PATCH 6/9] Nick Andrew
2008-02-19 15:39   ` Paul Jackson
2008-02-20 12:41     ` Nick Andrew
2008-02-20 16:43       ` Paul Jackson
2008-02-20  2:04   ` Paul Menage
2008-02-20  2:54     ` Nick Andrew
2008-02-20  3:12       ` Paul Menage
2008-02-20 16:55       ` serge
2008-02-20 21:31         ` Nick Andrew
2008-02-19 15:15 ` Improve init/Kconfig help descriptions [PATCH 7/9] Nick Andrew
2008-02-19 15:21 ` Improve init/Kconfig help descriptions [PATCH 8/9] Nick Andrew
2008-02-19 15:27 ` Improve init/Kconfig help descriptions [PATCH 9/9] Nick Andrew
2008-02-20 22:33 ` [PATCH 2.6.25-rc2 1/9] init: Improve init/Kconfig help descriptions part 1 Nick Andrew
     [not found] ` <200802220014.m1M0Dh5r022354@rgminet03.oracle.com>
2008-02-22  0:19   ` [PATCH 2.6.25-rc2 5/9] Kconfig: Improve init/Kconfig help descriptions - IKCONFIG etc Randy Dunlap
2008-02-22  0:48 ` [PATCH 2.6.25-rc2 1/9] Kconfig: Improve init/Kconfig help descriptions part 1 Nick Andrew
2008-02-22  0:49 ` [PATCH 2.6.25-rc2 2/9] Kconfig: Improve init/Kconfig help descriptions - TASKSTATS Nick Andrew
2008-02-22  0:51 ` [PATCH 2.6.25-rc2 3/9] Kconfig: Improve init/Kconfig help descriptions - NAMESPACES Nick Andrew
2008-02-27 23:00   ` Nick Andrew
2008-02-27 23:08     ` Serge E. Hallyn
2008-02-22  0:52 ` [PATCH 2.6.25-rc2 4/9] Kconfig: Improve init/Kconfig help descriptions - AUDIT Nick Andrew
2008-02-22  0:54 ` [PATCH 2.6.25-rc2 5/9] Kconfig: Improve init/Kconfig help descriptions - IKCONFIG etc Nick Andrew
2008-02-22  0:55 ` [PATCH 2.6.25-rc2 6/9] Kconfig: Improve init/Kconfig help descriptions - CGROUPS Nick Andrew
2008-02-22  0:56 ` [PATCH 2.6.25-rc2 7/9] Kconfig: Improve init/Kconfig help descriptions - EMBEDDED etc Nick Andrew
2008-02-22  0:58 ` [PATCH 2.6.25-rc2 8/9] Kconfig: Improve init/Kconfig help descriptions - SLAB Nick Andrew
2008-02-22  0:59 ` [PATCH 2.6.25-rc2 9/9] Kconfig: Improve init/Kconfig help descriptions - MODULES Nick Andrew
     [not found] ` <200802220010.m1M0Arr7024044@vzorg.swsoft.net>
2008-02-22  8:14   ` [PATCH 2.6.25-rc2 3/9] Kconfig: Improve init/Kconfig help descriptions - NAMESPACES Pavel Emelyanov
     [not found] ` <200802220010.m1M0Auqn024414@e5.ny.us.ibm.com>
2008-02-22 22:14   ` Serge E. Hallyn
2008-02-23  1:12     ` Nick Andrew
2008-02-23  3:45       ` Serge E. Hallyn

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