From: Daniel Lezcano <dlezcano@fr.ibm.com>
To: Cedric Le Goater <clg@fr.ibm.com>
Cc: Louis.Rilling@kerlabs.com, Dave Hansen <dave@linux.vnet.ibm.com>,
containers@lists.linux-foundation.org,
Andrey Mirkin <major@openvz.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/9] OpenVZ kernel based checkpointing/restart
Date: Mon, 20 Oct 2008 15:49:05 +0200 [thread overview]
Message-ID: <48FC8C51.2050108@fr.ibm.com> (raw)
In-Reply-To: <48FC8C30.6040409@fr.ibm.com>
Cedric Le Goater wrote:
>>> I'm afraid that we are forgetting to take the best from both
>>> approaches...
>> I agree with Louis.
>>
>> I played with Oren's patchset and tryed to port it on x86_64. I was able
>> to sys_checkpoint/sys_restart but if you remove the restoring of the
>> general registers, the restart still works. I am not an expert on asm,
>> but my hypothesis is when we call sys_checkpoint the registers are saved
>> on the stack by the syscall and when we restore the memory of the
>> process, we restore the stack and the stacked registers are restored
>> when exiting the sys_restart. That make me feel there is an important
>> gap between external checkpoint and internal checkpoint.
>>
>> Dmitry's patchset is nice too, but IMO, it goes too far from what we
>
> I think you are talking about Andrey.
Yes :)
next prev parent reply other threads:[~2008-10-20 13:49 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-03 10:57 [PATCH 0/9] OpenVZ kernel based checkpointing/restart Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 10:57 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Andrey Mirkin
2008-09-03 10:57 ` [PATCH 2/9] Make checkpoint/restart functionality modular Andrey Mirkin
[not found] ` <1220439476-16465-3-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 3/9] Introduce context structure needed during checkpointing/restart Andrey Mirkin
2008-09-03 14:27 ` [PATCH 2/9] Make checkpoint/restart functionality modular Serge E. Hallyn
2008-09-03 10:57 ` [PATCH 3/9] Introduce context structure needed during checkpointing/restart Andrey Mirkin
2008-09-03 10:57 ` [PATCH 4/9] Introduce container dump function Andrey Mirkin
2008-09-03 14:23 ` Serge E. Hallyn
[not found] ` <20080903142308.GB13425-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:45 ` Andrey Mirkin
2008-09-03 14:45 ` Andrey Mirkin
[not found] ` <1220439476-16465-5-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 5/9] Introduce function to dump process Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
[not found] ` <1220439476-16465-6-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 6/9] Introduce functions to dump mm Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 14:17 ` Louis Rilling
[not found] ` <1220439476-16465-7-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 7/9] Introduce function for restarting a container Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
[not found] ` <1220439476-16465-8-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 8/9] Introduce functions to restart a process Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 14:32 ` Louis Rilling
[not found] ` <20080903143248.GU14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-13 17:34 ` Pavel Machek
2008-09-13 17:34 ` Pavel Machek
[not found] ` <1220439476-16465-9-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 9/9] Introduce functions to restore mm Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 14:32 ` [PATCH 8/9] Introduce functions to restart a process Louis Rilling
2008-09-03 14:17 ` [PATCH 6/9] Introduce functions to dump mm Louis Rilling
2008-09-03 14:23 ` [PATCH 4/9] Introduce container dump function Serge E. Hallyn
[not found] ` <1220439476-16465-4-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 12:29 ` [PATCH 3/9] Introduce context structure needed during checkpointing/restart Matthieu Fertré
2008-09-03 12:29 ` Matthieu Fertré
[not found] ` <48BE8315.6030907-7Ky3UMAtGjA@public.gmane.org>
2008-09-03 14:11 ` Andrey Mirkin
2008-09-03 14:11 ` Andrey Mirkin
2008-09-03 13:56 ` Louis Rilling
2008-09-03 14:13 ` Cedric Le Goater
2008-09-03 13:56 ` Louis Rilling
[not found] ` <20080903135616.GR14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-03 14:07 ` Andrey Mirkin
2008-09-03 14:07 ` Andrey Mirkin
2008-09-03 14:13 ` Cedric Le Goater
[not found] ` <48BE9B74.7010600-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:29 ` Andrey Mirkin
2008-09-03 14:29 ` Andrey Mirkin
2008-09-03 14:27 ` [PATCH 2/9] Make checkpoint/restart functionality modular Serge E. Hallyn
[not found] ` <20080903142720.GC13425-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:51 ` Andrey Mirkin
2008-09-03 14:51 ` Andrey Mirkin
2008-09-03 11:44 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Cedric Le Goater
2008-09-03 13:05 ` [Devel] " Andrey Mirkin
[not found] ` <48BE7885.3070609-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 13:05 ` Andrey Mirkin
[not found] ` <1220439476-16465-2-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 2/9] Make checkpoint/restart functionality modular Andrey Mirkin
2008-09-03 11:44 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Cedric Le Goater
2008-09-03 12:28 ` [PATCH 0/9] OpenVZ kernel based checkpointing/restart Cedric Le Goater
2008-09-03 13:59 ` [Devel] " Andrey Mirkin
2008-09-04 22:55 ` Dave Hansen
[not found] ` <200809031759.29132.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-04 22:55 ` Dave Hansen
[not found] ` <48BE82F9.4020808-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 13:59 ` Andrey Mirkin
2008-09-03 14:18 ` Serge E. Hallyn
2008-09-03 14:18 ` Serge E. Hallyn
2008-09-03 13:49 ` Louis Rilling
2008-09-03 14:06 ` Louis Rilling
[not found] ` <20080903140636.GS14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-03 14:19 ` Andrey Mirkin
2008-09-03 14:26 ` Cedric Le Goater
2008-09-03 14:19 ` Andrey Mirkin
2008-09-03 14:26 ` Cedric Le Goater
[not found] ` <48BE9E95.3020706-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:53 ` Andrey Mirkin
2008-09-03 14:53 ` Andrey Mirkin
[not found] ` <20080903134951.GQ14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-03 14:06 ` Louis Rilling
2008-09-04 8:14 ` Oren Laadan
2008-09-04 14:05 ` Dave Hansen
2008-10-17 23:33 ` Dave Hansen
2008-10-20 11:10 ` Louis Rilling
2008-10-20 11:10 ` Louis Rilling
[not found] ` <20081020111002.GQ15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-20 13:25 ` Daniel Lezcano
2008-10-20 16:36 ` Dave Hansen
2008-10-20 13:25 ` Daniel Lezcano
[not found] ` <48FC86B2.8000606-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-20 13:48 ` Cedric Le Goater
2008-10-20 13:48 ` Cedric Le Goater
2008-10-20 13:49 ` Daniel Lezcano [this message]
[not found] ` <48FC8C30.6040409-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-20 13:49 ` Daniel Lezcano
2008-10-20 15:53 ` Oren Laadan
2008-10-20 15:53 ` Oren Laadan
2008-10-20 16:51 ` Serge E. Hallyn
[not found] ` <48FCA97C.1040108-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-20 16:37 ` Daniel Lezcano
2008-10-20 16:37 ` Daniel Lezcano
[not found] ` <48FCB3CC.9030804-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-20 17:23 ` Serge E. Hallyn
2008-10-20 17:23 ` Serge E. Hallyn
[not found] ` <20081020172358.GA29092-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-21 0:18 ` Oren Laadan
2008-10-21 0:18 ` Oren Laadan
2008-10-21 0:58 ` Serge E. Hallyn
[not found] ` <48FD1FBC.5050408-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-21 0:58 ` Serge E. Hallyn
2008-10-21 13:24 ` Daniel Lezcano
2008-10-21 13:24 ` Daniel Lezcano
2008-10-27 14:45 ` [Devel] " Andrey Mirkin
2008-10-27 14:45 ` Andrey Mirkin
2008-10-20 16:51 ` Serge E. Hallyn
2008-10-21 9:36 ` Cedric Le Goater
2008-10-21 9:36 ` Cedric Le Goater
2008-10-20 16:36 ` Dave Hansen
2008-10-20 12:14 ` [Devel] " Andrey Mirkin
2008-10-20 12:14 ` Andrey Mirkin
2008-10-20 15:55 ` Dave Hansen
2008-10-27 14:07 ` Andrey Mirkin
[not found] ` <200810271707.13580.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-27 14:39 ` Oren Laadan
2008-11-03 19:35 ` Oren Laadan
2008-10-27 14:39 ` Oren Laadan
2008-10-30 6:02 ` Andrey Mirkin
2008-10-30 11:47 ` Louis Rilling
2008-10-30 17:08 ` Dave Hansen
2008-10-30 18:01 ` Louis Rilling
2008-10-30 18:28 ` Oren Laadan
[not found] ` <20081030180133.GN15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-30 18:28 ` Oren Laadan
2008-10-30 18:01 ` Louis Rilling
2008-10-30 17:45 ` Oren Laadan
[not found] ` <4909F2B5.7040907-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-30 18:14 ` Louis Rilling
2008-10-30 18:14 ` Louis Rilling
2008-10-30 18:32 ` Oren Laadan
2008-10-31 10:37 ` Louis Rilling
[not found] ` <4909FDD3.5090806-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-31 10:37 ` Louis Rilling
[not found] ` <20081030181418.GO15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-30 18:32 ` Oren Laadan
[not found] ` <20081030114747.GL15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-30 17:08 ` Dave Hansen
2008-10-30 17:45 ` Oren Laadan
2008-10-30 14:08 ` Serge E. Hallyn
[not found] ` <200810300902.47067.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-30 11:47 ` Louis Rilling
2008-10-30 14:08 ` Serge E. Hallyn
2008-10-30 17:03 ` Dave Hansen
2008-10-30 17:03 ` Dave Hansen
[not found] ` <4905D2AD.1070309-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-30 6:02 ` Andrey Mirkin
2008-11-03 19:35 ` Oren Laadan
2008-10-27 14:07 ` Andrey Mirkin
2008-10-20 17:17 ` Oren Laadan
[not found] ` <48FCBD24.7070902-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-27 14:38 ` Andrey Mirkin
2008-10-27 14:38 ` Andrey Mirkin
[not found] ` <200810201614.36911.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-20 15:55 ` Dave Hansen
2008-10-20 17:17 ` Oren Laadan
[not found] ` <1220439476-16465-1-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Andrey Mirkin
2008-09-03 12:28 ` [PATCH 0/9] OpenVZ kernel based checkpointing/restart Cedric Le Goater
2008-09-03 13:49 ` Louis Rilling
2008-09-04 8:14 ` Oren Laadan
2008-09-04 14:05 ` Dave Hansen
2008-10-17 23:33 ` Dave Hansen
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