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Re: [RFC][PATCH 1/5] Virtualization/containers: startup [message #1292 is a reply to message #1254]

Mon, 06 February 2006 08:39

ebiederm
Messages: 1354
Registered: February 2006

Senior Member

Linus Torvalds <torvalds@osdl.org> writes:

> On Fri, 3 Feb 2006, Kirill Korotaev wrote:
>>
>> Do you have any other ideas/comments on this?
>> I will send additional IPC/filesystems virtualization patches a bit later.
>
> I think that a patch like this - particularly just the 1/5 part - makes
> total sense, because regardless of any other details of virtualization,
> every single scheme is going to need this.

I strongly disagree with this approach. I think Al Viro got it
right when he created a separate namespace for filesystems.

First this presumes an all or nothing interface. But that is not
what people are doing. Different people want different subsets
of the functionality. For the migration work I am doing having
multiple meanings for the same uid isn't interesting.

Secondly by implementing this in one big chunk there is no
migration path when you want to isolate an additional part of the
kernel interface.

So I really think an approach that allows for incremental progress
that allows for different subsets of this functionality to
be used is a better approach. In clone we already have
a perfectly serviceable interface for that and I have
seen no one refute that. I'm not sure I have seen anyone
get it though.

My apologies for the late reply I didn't see this thread until
just a couple of minutes ago. linux-kernel can be hard to
follow when you aren't cc'd.

Patches hopefully sometime in the next 24hours. So hopefully
conversation can be carried forward in a productive manner.

Eric

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[Message index]

		[RFC][PATCH 1/5] Virtualization/containers: startup By: Kirill Korotaev on Fri, 03 February 2006 16:57
		[RFC][PATCH 2/5] Virtualization/containers: UIDs By: dev on Fri, 03 February 2006 17:01
		[RFC][PATCH 3/5] Virtualization/containers: UTSNAME By: dev on Fri, 03 February 2006 17:04
		Re: [RFC][PATCH 3/5] Virtualization/containers: UTSNAME By: ebiederm on Mon, 06 February 2006 08:21
		Re: [RFC][PATCH 3/5] Virtualization/containers: UTSNAME By: dev on Mon, 06 February 2006 08:51
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Fri, 03 February 2006 17:22
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Linus Torvalds on Fri, 03 February 2006 17:49
		Summary: PID virtualization , Containers, Migration By: Hubertus Franke on Fri, 03 February 2006 18:36
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Rik van Riel on Fri, 03 February 2006 18:36
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Sun, 05 February 2006 14:52
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: ebiederm on Mon, 06 February 2006 08:39
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 06 February 2006 08:58
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: ebiederm on Mon, 06 February 2006 09:19
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Dave Hansen on Mon, 06 February 2006 16:37
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: ebiederm on Mon, 06 February 2006 18:37
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 06 February 2006 19:30
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Cedric Le Goater on Mon, 06 February 2006 22:40
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: ebiederm on Tue, 07 February 2006 01:57
		swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: Pavel Machek on Wed, 08 February 2006 21:54
		Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: ebiederm on Thu, 09 February 2006 18:20
		Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: Kyle Moffett on Fri, 10 February 2006 00:21
		Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: Sam Vilain on Fri, 10 February 2006 04:31
		Re: Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: vaverin on Fri, 10 February 2006 06:23
		Re: Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: Sam Vilain on Sat, 11 February 2006 02:38
		Re: Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: vaverin on Sat, 11 February 2006 17:29
		Re: swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) By: Kyle Moffett on Fri, 10 February 2006 08:29
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Nigel Cunningham on Fri, 10 February 2006 05:40
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Dave Hansen on Fri, 03 February 2006 18:34
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Jeff Garzik on Fri, 03 February 2006 18:55
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Hubertus Franke on Fri, 03 February 2006 19:18
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Hubertus Franke on Fri, 03 February 2006 19:56
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Greg KH on Fri, 03 February 2006 20:19
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Sun, 05 February 2006 15:10
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Sun, 05 February 2006 15:05
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Dave Hansen on Mon, 06 February 2006 16:35
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 06 February 2006 16:50
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Linus Torvalds on Mon, 06 February 2006 16:56
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 06 February 2006 17:19
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Sam Vilain on Tue, 07 February 2006 00:28
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Tue, 07 February 2006 12:19
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Sam Vilain on Tue, 07 February 2006 22:21
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 20 February 2006 11:54
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Linus Torvalds on Fri, 03 February 2006 17:15
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Hubertus Franke on Fri, 03 February 2006 20:34
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Sun, 05 February 2006 15:11
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Hubertus Franke on Sun, 05 February 2006 15:39
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 06 February 2006 09:06
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Cedric Le Goater on Mon, 06 February 2006 22:31
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Tue, 07 February 2006 12:25
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: Benjamin Herrenschmid on Mon, 06 February 2006 00:56
		Re: Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: dev on Mon, 06 February 2006 09:01
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: ebiederm on Mon, 06 February 2006 08:31
		Re: [RFC][PATCH 1/5] Virtualization/containers: startup By: ebiederm on Fri, 10 February 2006 06:01

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