From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Andrey Mirkin <major@openvz.org>
Cc: containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [PATCH 02/10] Make checkpoint/restart functionality modular
Date: Mon, 20 Oct 2008 09:51:59 -0700 [thread overview]
Message-ID: <1224521519.1848.105.camel@nimitz> (raw)
In-Reply-To: <1224285098-573-3-git-send-email-major@openvz.org>
On Sat, 2008-10-18 at 03:11 +0400, Andrey Mirkin wrote:
> +struct cpt_operations
> +{
> + struct module * owner;
> + int (*checkpoint)(pid_t pid, int fd, unsigned long flags);
> + int (*restart)(int ctid, int fd, unsigned long flags);
> +};
I think this is pretty useless obfuscation. We're not going to have
pluggable checkpoint/restart implementations, are we? So, why bother
putting it in a module?
I can understand that it's easier to develop your code when it's in a
module and you don't have to reboot the machine to load a new kernel
each time. But, that's an individual developer thing, and doesn't
belong in an upstream submission.
I know people have given you a hard time for this in the past. Why is
it still here?
-- Dave
next prev parent reply other threads:[~2008-10-20 16:52 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-17 23:11 [PATCH 0/10] OpenVZ kernel based checkpointing/restart (v2) Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
2008-10-17 23:11 ` [PATCH 01/10] Introduce trivial sys_checkpoint and sys_restore system calls Andrey Mirkin
[not found] ` <1224285098-573-2-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 02/10] Make checkpoint/restart functionality modular Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
2008-10-20 16:51 ` Dave Hansen [this message]
[not found] ` <1224285098-573-3-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 03/10] Introduce context structure needed during checkpointing/restart Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
[not found] ` <1224285098-573-4-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 04/10] Introduce container dump function Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
[not found] ` <1224285098-573-5-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 05/10] Introduce function to dump process Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
[not found] ` <1224285098-573-6-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 06/10] Introduce functions to dump mm Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
2008-10-20 17:21 ` Dave Hansen
2008-10-23 8:43 ` [Devel] " Andrey Mirkin
2008-10-23 8:43 ` Andrey Mirkin
[not found] ` <200810231243.42181.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-23 13:51 ` Dave Hansen
2008-10-23 13:51 ` Dave Hansen
2008-10-24 4:07 ` Andrey Mirkin
2008-10-24 4:07 ` Andrey Mirkin
[not found] ` <1224285098-573-7-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 07/10] Introduce function for restarting a container Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
[not found] ` <1224285098-573-8-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 08/10] Introduce functions to restart a process Andrey Mirkin
2008-10-17 23:11 ` Andrey Mirkin
2008-10-17 23:11 ` [PATCH 09/10] Introduce functions to restore mm Andrey Mirkin
2008-10-17 23:11 ` [PATCH 10/10] Add support for multiple processes Andrey Mirkin
[not found] ` <1224285098-573-11-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-27 15:58 ` Oren Laadan
2008-10-27 15:58 ` Oren Laadan
2008-10-30 4:55 ` [Devel] " Andrey Mirkin
[not found] ` <4905E50C.8020803-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-30 4:55 ` Andrey Mirkin
[not found] ` <1224285098-573-10-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` Andrey Mirkin
[not found] ` <1224285098-573-9-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 09/10] Introduce functions to restore mm Andrey Mirkin
2008-10-20 9:23 ` [PATCH 08/10] Introduce functions to restart a process Cedric Le Goater
2008-10-20 9:23 ` Cedric Le Goater
[not found] ` <48FC4E0C.7050008-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-22 8:49 ` [Devel] " Andrey Mirkin
2008-10-22 8:49 ` Andrey Mirkin
[not found] ` <200810221249.55600.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-22 9:25 ` Louis Rilling
2008-10-22 12:47 ` Cedric Le Goater
2008-10-22 9:25 ` Louis Rilling
[not found] ` <20081022092502.GW15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-22 10:06 ` Greg Kurz
2008-10-22 10:12 ` Andrey Mirkin
2008-10-22 10:12 ` Andrey Mirkin
2008-10-22 10:46 ` Louis Rilling
[not found] ` <20081022104630.GY15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-23 8:53 ` Andrey Mirkin
2008-10-23 8:53 ` Andrey Mirkin
[not found] ` <200810221412.14174.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-22 10:46 ` Louis Rilling
2008-10-22 15:25 ` Oren Laadan
2008-10-22 15:25 ` Oren Laadan
2008-10-23 9:00 ` Andrey Mirkin
[not found] ` <200810231300.50628.amirkin-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2008-10-23 13:57 ` Dave Hansen
2008-10-23 13:57 ` Dave Hansen
2008-10-24 3:57 ` Andrey Mirkin
2008-10-24 3:57 ` Andrey Mirkin
2008-10-25 21:10 ` Oren Laadan
[not found] ` <49038B4C.2010009-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-29 14:52 ` Andrey Mirkin
2008-10-29 14:52 ` Andrey Mirkin
2008-10-30 15:59 ` Oren Laadan
[not found] ` <200810291752.19281.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-30 15:59 ` Oren Laadan
[not found] ` <200810240757.38012.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-25 21:10 ` Oren Laadan
[not found] ` <48FF45CF.5000306-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-23 9:00 ` Andrey Mirkin
2008-10-22 10:06 ` Greg Kurz
2008-10-22 10:44 ` Louis Rilling
[not found] ` <20081022104448.GX15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-22 12:44 ` Greg Kurz
2008-10-22 12:44 ` Greg Kurz
[not found] ` <1224669979.4210.15.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-10-22 10:44 ` Louis Rilling
2008-10-22 12:47 ` Cedric Le Goater
[not found] ` <48FF20F6.1040505-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-23 9:54 ` Andrey Mirkin
2008-10-23 9:54 ` Andrey Mirkin
[not found] ` <200810231354.47033.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-23 13:49 ` Dave Hansen
2008-10-23 13:49 ` Dave Hansen
2008-10-24 4:04 ` Andrey Mirkin
2008-10-24 4:04 ` Andrey Mirkin
2008-10-20 13:25 ` Louis Rilling
2008-10-20 13:25 ` Louis Rilling
[not found] ` <20081020132536.GS15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-23 10:56 ` [Devel] " Andrey Mirkin
2008-10-23 10:56 ` Andrey Mirkin
2008-10-20 12:25 ` [PATCH 06/10] Introduce functions to dump mm Louis Rilling
2008-10-20 12:25 ` Louis Rilling
2008-10-22 8:58 ` [Devel] " Andrey Mirkin
[not found] ` <20081020122514.GR15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-22 8:58 ` Andrey Mirkin
2008-10-20 17:21 ` Dave Hansen
2008-10-20 11:02 ` [PATCH 05/10] Introduce function to dump process Louis Rilling
2008-10-20 17:48 ` Serge E. Hallyn
2008-10-20 11:02 ` Louis Rilling
2008-10-24 4:15 ` [Devel] " Andrey Mirkin
[not found] ` <20081020110226.GP15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-24 4:15 ` Andrey Mirkin
2008-10-20 17:48 ` Serge E. Hallyn
[not found] ` <20081020174801.GB29092-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-24 4:40 ` [Devel] " Andrey Mirkin
2008-10-24 4:40 ` Andrey Mirkin
2008-10-20 17:02 ` [PATCH 03/10] Introduce context structure needed during checkpointing/restart Dave Hansen
2008-10-20 17:02 ` Dave Hansen
2008-10-29 15:30 ` [Devel] " Andrey Mirkin
2008-10-29 15:30 ` Andrey Mirkin
2008-10-20 16:51 ` [PATCH 02/10] Make checkpoint/restart functionality modular Dave Hansen
2008-10-20 16:59 ` Serge E. Hallyn
2008-10-20 16:59 ` Serge E. Hallyn
[not found] ` <1224285098-573-1-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-17 23:11 ` [PATCH 01/10] Introduce trivial sys_checkpoint and sys_restore system calls Andrey Mirkin
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