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Re: [PATCH 1/4] Virtualization/containers: introduction [message #1486 is a reply to message #1457]

Thu, 09 February 2006 21:56

ebiederm
Messages: 1354
Registered: February 2006

Senior Member

Ok digesting this some more I don't see a glaring case in the code
where it is set_econtainer(...); do stuff ; restore_econtainer(..);
has a tremendous advantage at the moment. Plus it removes the
opportunity to catch old code that deals with multiple contexts at
compile time, and has to be done by pain staking code review.

That aside the truly important thing I realized is that for
the optimization effects it is an implementation detail. Batched
reference counting of shared resources is something we can
go back in and add at any time. It will take a little refactoring
to do but it something that can be done without changing the
user space API.

So since individual namespace pointers in the task_struct
are simpler and have the required flexibility. I think we
can table this part of the discussion for now.

The other detail I brought up which was most interesting was
the marking of specific variables that would go into a
container or namespace. Well as long as it is implemented on
the namespace level that is still possible, and may even
be beneficial.

Eric

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[Message index]

		[PATCH 1/4] Virtualization/containers: introduction By: Kirill Korotaev on Mon, 06 February 2006 21:55
		[PATCH 2/4] Virtualization/containers: CONFIG_CONTAINER By: Kirill Korotaev on Mon, 06 February 2006 22:10
		[PATCH 3/4] Virtualization/containers: UID hash By: Kirill Korotaev on Mon, 06 February 2006 22:15
		[PATCH 4/4] Virtualization/containers: uts name By: Kirill Korotaev on Mon, 06 February 2006 22:20
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Dave Hansen on Mon, 06 February 2006 23:00
		Re: [PATCH 1/4] Virtualization/containers: introduction By: dev on Tue, 07 February 2006 12:22
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 03:34
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Rik van Riel on Tue, 07 February 2006 03:40
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Sam Vilain on Tue, 07 February 2006 06:30
		Re: [PATCH 1/4] Virtualization/containers: introduction By: dev on Tue, 07 February 2006 11:49
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 14:31
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 15:42
		Re: [PATCH 1/4] Virtualization/containers: introduction By: dev on Tue, 07 February 2006 16:16
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 17:20
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Sam Vilain on Tue, 07 February 2006 22:43
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Hubertus Franke on Tue, 07 February 2006 16:57
		Re: [PATCH 1/4] Virtualization/containers: introduction By: serue on Tue, 07 February 2006 20:19
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Hubertus Franke on Tue, 07 February 2006 20:46
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 22:00
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Hubertus Franke on Tue, 07 February 2006 22:19
		The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Tue, 07 February 2006 22:06
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Hubertus Franke on Tue, 07 February 2006 23:35
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Alexey Kuznetsov on Wed, 08 February 2006 00:43
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 02:49
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: serue on Wed, 08 February 2006 03:36
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 05:23
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Hubertus Franke on Wed, 08 February 2006 14:40
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 17:46
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 22:28
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: serue on Wed, 08 February 2006 15:17
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: serue on Wed, 08 February 2006 18:03
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: dev on Mon, 20 February 2006 12:08
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Herbert Poetzl on Mon, 20 February 2006 12:40
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: dev on Mon, 20 February 2006 14:25
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Herbert Poetzl on Mon, 20 February 2006 15:16
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Andi Kleen on Mon, 20 February 2006 15:17
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 03:52
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Herbert Poetzl on Wed, 08 February 2006 04:37
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 04:46
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Herbert Poetzl on Wed, 08 February 2006 04:56
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: serue on Wed, 08 February 2006 14:38
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Hubertus Franke on Wed, 08 February 2006 14:51
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: dev on Wed, 08 February 2006 15:34
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Hubertus Franke on Wed, 08 February 2006 15:57
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Herbert Poetzl on Wed, 08 February 2006 19:02
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Wed, 08 February 2006 16:48
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Hubertus Franke on Wed, 08 February 2006 18:31
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Dave Hansen on Wed, 08 February 2006 20:21
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: serue on Wed, 08 February 2006 21:22
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Thu, 09 February 2006 05:41
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: Kyle Moffett on Thu, 09 February 2006 04:45
		Re: The issues for agreeing on a virtualization/namespaces implementation. By: ebiederm on Thu, 09 February 2006 22:25
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Sam Vilain on Tue, 07 February 2006 22:58
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Hubertus Franke on Tue, 07 February 2006 23:18
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Wed, 08 February 2006 05:03
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Hubertus Franke on Wed, 08 February 2006 14:13
		Re: [PATCH 1/4] Virtualization/containers: introduction By: dev on Wed, 08 February 2006 15:42
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Wed, 08 February 2006 16:39
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Kevin Fox on Wed, 08 February 2006 02:08
		Re: [PATCH 1/4] Virtualization/containers: introduction By: dev on Wed, 08 February 2006 15:35
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Wed, 08 February 2006 17:16
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Dave Hansen on Wed, 08 February 2006 20:43
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Wed, 08 February 2006 21:04
		Re: [PATCH 1/4] Virtualization/containers: introduction By: dev on Tue, 07 February 2006 12:12
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 14:06
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Rik van Riel on Tue, 07 February 2006 14:52
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Tue, 07 February 2006 15:13
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Sam Vilain on Wed, 08 February 2006 01:16
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Paul Jackson on Wed, 08 February 2006 04:21
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Thu, 09 February 2006 00:24
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Jeff Dike on Thu, 09 February 2006 02:18
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Thu, 09 February 2006 03:16
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Hubertus Franke on Thu, 09 February 2006 16:38
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Jeff Dike on Thu, 09 February 2006 17:47
		Re: [PATCH 1/4] Virtualization/containers: introduction By: Sam Vilain on Thu, 09 February 2006 22:09
		Re: [PATCH 1/4] Virtualization/containers: introduction By: ebiederm on Thu, 09 February 2006 21:56

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