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From: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
To: Dave Hansen <dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: Kirill Korotaev <dev-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>,
	containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Alexey Dobriyan
	<adobriyan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	nick-dnCCA748QAperShJXdIFYw@public.gmane.org,
	Nadia.Derbey-6ktuUTfB/bM@public.gmane.org
Subject: Re: Checkpoint/restart (was Re: [PATCH 0/4] - v2 -  Object	creation with a specified id)
Date: Thu, 24 Apr 2008 19:13:01 -0400	[thread overview]
Message-ID: <481113FD.3010905@cs.columbia.edu> (raw)
In-Reply-To: <1209061809.12718.36.camel-FpcvD5N4B9G9xGwK5P7XA+TW4wlIGRCZ@public.gmane.org>



Dave Hansen wrote:
> On Thu, 2008-04-24 at 11:00 +0400, Kirill Korotaev wrote:
>> Yeah... we talked with Andrew yesterday. He mostly agrees with a black
>> box.
>> He also said an interesting idea, that if you need compatibility
>> between the kernels (like we for example, support for migration from
>> 2.6.9 to 2.6.18 in OpenVZ)
>> you can do image conversion in user-space...
> 
> That sounds compelling to me.  I'm definitely willing to explore it.

Filtering/converting in user-space has long been part of zap: used to
be able to migrate between both minor and major versions of the kernel
(always upwards, of course).

In fact, I already proposed it as part of the original thread that led
eventually to the patch in question:
https://lists.linux-foundation.org/pipermail/containers/2008-February/009849.html

The need to be able to specify a desired ID (from user-space and/or from
in-kernel) remains.

Oren.

> Any thoughts on what we should start with?  What can we get merged, most
> easily?
> 
> -- Dave
> 
> _______________________________________________
> Containers mailing list
> Containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
> https://lists.linux-foundation.org/mailman/listinfo/containers

WARNING: multiple messages have this Message-ID (diff)
From: Oren Laadan <orenl@cs.columbia.edu>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Kirill Korotaev <dev@parallels.com>,
	containers@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, Nadia.Derbey@bull.net,
	Andrew Morton <akpm@linux-foundation.org>,
	nick@nick-andrew.net, Alexey Dobriyan <adobriyan@gmail.com>
Subject: Re: Checkpoint/restart (was Re: [PATCH 0/4] - v2 -  Object	creation with a specified id)
Date: Thu, 24 Apr 2008 19:13:01 -0400	[thread overview]
Message-ID: <481113FD.3010905@cs.columbia.edu> (raw)
In-Reply-To: <1209061809.12718.36.camel@nimitz.home.sr71.net>



Dave Hansen wrote:
> On Thu, 2008-04-24 at 11:00 +0400, Kirill Korotaev wrote:
>> Yeah... we talked with Andrew yesterday. He mostly agrees with a black
>> box.
>> He also said an interesting idea, that if you need compatibility
>> between the kernels (like we for example, support for migration from
>> 2.6.9 to 2.6.18 in OpenVZ)
>> you can do image conversion in user-space...
> 
> That sounds compelling to me.  I'm definitely willing to explore it.

Filtering/converting in user-space has long been part of zap: used to
be able to migrate between both minor and major versions of the kernel
(always upwards, of course).

In fact, I already proposed it as part of the original thread that led
eventually to the patch in question:
https://lists.linux-foundation.org/pipermail/containers/2008-February/009849.html

The need to be able to specify a desired ID (from user-space and/or from
in-kernel) remains.

Oren.

> Any thoughts on what we should start with?  What can we get merged, most
> easily?
> 
> -- Dave
> 
> _______________________________________________
> Containers mailing list
> Containers@lists.linux-foundation.org
> https://lists.linux-foundation.org/mailman/listinfo/containers

  parent reply	other threads:[~2008-04-24 23:13 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-18  5:44 [PATCH 0/4] - v2 - Object creation with a specified id Nadia.Derbey
2008-04-18  5:45 ` [PATCH 1/4] - v2 - Provide a new procfs interface to set next id Nadia.Derbey
2008-04-18  5:45 ` Nadia.Derbey-6ktuUTfB/bM
2008-04-18  5:45 ` [PATCH 2/4] - v2 - Provide a new procfs interface to set next upid nr(s) Nadia.Derbey-6ktuUTfB/bM
2008-04-18  5:45   ` Nadia.Derbey
2008-04-18  5:45 ` [PATCH 3/4] - v2 - IPC: use the target ID specified in procfs Nadia.Derbey-6ktuUTfB/bM
2008-04-18  5:45   ` Nadia.Derbey
2008-04-18  5:45 ` [PATCH 4/4] - v2 - PID: " Nadia.Derbey-6ktuUTfB/bM
2008-04-18  5:45   ` Nadia.Derbey
2008-04-22 19:36 ` Checkpoint/restart (was Re: [PATCH 0/4] - v2 - Object creation with a specified id) Alexey Dobriyan
     [not found]   ` <20080422193612.GA15835-QDJVlCTZ4KWTKS93B3g+7KFoa47nwP16@public.gmane.org>
2008-04-22 18:56     ` Dave Hansen
2008-04-22 18:56       ` Dave Hansen
2008-04-22 21:01       ` Alexey Dobriyan
     [not found]         ` <20080422210130.GA15937-QDJVlCTZ4KWTKS93B3g+7KFoa47nwP16@public.gmane.org>
2008-04-22 22:56           ` Dave Hansen
2008-04-22 22:56         ` Dave Hansen
2008-04-23  6:40           ` Kirill Korotaev
     [not found]             ` <480ED9D5.1010906-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2008-04-23 15:33               ` Dave Hansen
2008-04-24  1:19               ` Oren Laadan
2008-04-24  1:19                 ` Oren Laadan
     [not found]                 ` <480FE037.2010302-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-07-10  1:58                   ` Eric W. Biederman
2008-07-10  1:58                 ` Eric W. Biederman
2008-07-10 17:12                   ` Dave Hansen
2008-07-10 17:32                     ` Serge E. Hallyn
2008-07-10 17:32                     ` Serge E. Hallyn
     [not found]                       ` <20080710173246.GA1857-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-07-10 18:55                         ` Eric W. Biederman
2008-07-10 18:55                           ` Eric W. Biederman
     [not found]                           ` <m163rd1sd5.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-10 19:06                             ` Dave Hansen
2008-07-10 19:06                               ` Dave Hansen
2008-07-10 19:21                               ` Eric W. Biederman
2008-07-10 19:21                               ` Eric W. Biederman
     [not found]                                 ` <m14p6xy27s.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-10 19:47                                   ` Dave Hansen
2008-07-10 19:47                                 ` Dave Hansen
2008-07-11  0:32                                   ` Alexey Dobriyan
2008-07-11  0:32                                   ` Alexey Dobriyan
2008-07-17 23:19                                   ` Oren Laadan
2008-07-17 23:19                                   ` Oren Laadan
2008-07-17 23:16                         ` Oren Laadan
2008-07-17 23:16                           ` Oren Laadan
2008-07-18 16:18                           ` Serge E. Hallyn
2008-07-17 23:14                     ` Oren Laadan
2008-07-17 23:14                       ` Oren Laadan
     [not found]                   ` <m1y74a7b4w.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-10 17:12                     ` Dave Hansen
2008-07-17 23:09                     ` Oren Laadan
2008-07-17 23:09                       ` Oren Laadan
2008-04-23 15:33             ` Dave Hansen
     [not found]               ` <1208964798.17117.72.camel-FpcvD5N4B9G9xGwK5P7XA+TW4wlIGRCZ@public.gmane.org>
2008-04-24  7:00                 ` Kirill Korotaev
2008-04-24  7:00               ` Kirill Korotaev
2008-04-24 18:30                 ` Dave Hansen
     [not found]                   ` <1209061809.12718.36.camel-FpcvD5N4B9G9xGwK5P7XA+TW4wlIGRCZ@public.gmane.org>
2008-04-24 23:13                     ` Oren Laadan [this message]
2008-04-24 23:13                       ` Oren Laadan
     [not found]                 ` <48103002.5090806-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2008-04-24 18:30                   ` Dave Hansen
     [not found]           ` <1208904967.17117.51.camel-FpcvD5N4B9G9xGwK5P7XA+TW4wlIGRCZ@public.gmane.org>
2008-04-23  6:40             ` Kirill Korotaev
     [not found]       ` <1208890580.17117.14.camel-FpcvD5N4B9G9xGwK5P7XA+TW4wlIGRCZ@public.gmane.org>
2008-04-22 19:51         ` Serge E. Hallyn
2008-04-22 19:51           ` Serge E. Hallyn
2008-04-22 21:01         ` Alexey Dobriyan
     [not found] ` <20080418054459.891481000-6ktuUTfB/bM@public.gmane.org>
2008-04-18 17:07   ` [PATCH 0/4] - v2 - Object creation with a specified id Dave Hansen
2008-04-18 17:07     ` Dave Hansen
2008-04-21 11:32     ` Nadia Derbey
     [not found]     ` <1208538427.25363.40.camel-FpcvD5N4B9G9xGwK5P7XA+TW4wlIGRCZ@public.gmane.org>
2008-04-21 11:32       ` Nadia Derbey
2008-04-22 19:36   ` Checkpoint/restart (was Re: [PATCH 0/4] - v2 - Object creation with a specified id) Alexey Dobriyan
2008-04-23 14:23   ` [PATCH 0/4] - v2 - Object creation with a specified id Pavel Machek
2008-04-23 14:23 ` Pavel Machek

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