From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Andrey Mirkin <major@openvz.org>
Cc: Cedric Le Goater <clg@fr.ibm.com>,
containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [Devel] Re: [PATCH 08/10] Introduce functions to restart a process
Date: Thu, 23 Oct 2008 06:49:13 -0700 [thread overview]
Message-ID: <1224769753.12673.12.camel@nimitz> (raw)
In-Reply-To: <200810231354.47033.major@openvz.org>
On Thu, 2008-10-23 at 13:54 +0400, Andrey Mirkin wrote:
> We are putting special structure on stack, which is used at the very end of
> the whole restart procedure to restore complex states (ptrace is one of such
> cases). Right now I don't need to use this structure as we have a deal with
> simple cases, but reservation of 256 bytes on stack is needed for future.
Wow. So you're saying that, if this patch is accepted, we simply need
to accept that anything being checkpointed will use an extra 256 bytes
of stack? Seems like something to perhaps put in the changelog rather
than some completely undocumented assembly nugget.
-- Dave
next prev parent reply other threads:[~2008-10-23 13:49 UTC|newest]
Thread overview: 49+ 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 ` [PATCH 01/10] Introduce trivial sys_checkpoint and sys_restore system calls Andrey Mirkin
2008-10-17 23:11 ` [PATCH 02/10] Make checkpoint/restart functionality modular Andrey Mirkin
2008-10-17 23:11 ` [PATCH 03/10] Introduce context structure needed during checkpointing/restart Andrey Mirkin
2008-10-17 23:11 ` [PATCH 04/10] Introduce container dump function Andrey Mirkin
2008-10-17 23:11 ` [PATCH 05/10] Introduce function to dump process Andrey Mirkin
2008-10-17 23:11 ` [PATCH 06/10] Introduce functions to dump mm Andrey Mirkin
2008-10-17 23:11 ` [PATCH 07/10] Introduce function for restarting a container Andrey Mirkin
2008-10-17 23:11 ` [PATCH 08/10] Introduce functions to restart a process 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
2008-10-27 15:58 ` Oren Laadan
2008-10-30 4:55 ` [Devel] " Andrey Mirkin
2008-10-20 9:23 ` [PATCH 08/10] Introduce functions to restart a process Cedric Le Goater
2008-10-22 8:49 ` [Devel] " Andrey Mirkin
2008-10-22 9:25 ` Louis Rilling
2008-10-22 10:06 ` Greg Kurz
2008-10-22 10:44 ` Louis Rilling
2008-10-22 12:44 ` Greg Kurz
2008-10-22 10:12 ` Andrey Mirkin
2008-10-22 10:46 ` Louis Rilling
2008-10-23 8:53 ` Andrey Mirkin
2008-10-22 15:25 ` Oren Laadan
2008-10-23 9:00 ` Andrey Mirkin
2008-10-23 13:57 ` Dave Hansen
2008-10-24 3:57 ` Andrey Mirkin
2008-10-25 21:10 ` Oren Laadan
2008-10-29 14:52 ` Andrey Mirkin
2008-10-30 15:59 ` Oren Laadan
2008-10-22 12:47 ` Cedric Le Goater
2008-10-23 9:54 ` Andrey Mirkin
2008-10-23 13:49 ` Dave Hansen [this message]
2008-10-24 4:04 ` Andrey Mirkin
2008-10-20 13:25 ` Louis Rilling
2008-10-23 10:56 ` [Devel] " Andrey Mirkin
2008-10-20 12:25 ` [PATCH 06/10] Introduce functions to dump mm Louis Rilling
2008-10-22 8:58 ` [Devel] " Andrey Mirkin
2008-10-20 17:21 ` Dave Hansen
2008-10-23 8:43 ` [Devel] " Andrey Mirkin
2008-10-23 13:51 ` Dave Hansen
2008-10-24 4:07 ` Andrey Mirkin
2008-10-20 11:02 ` [PATCH 05/10] Introduce function to dump process Louis Rilling
2008-10-24 4:15 ` [Devel] " Andrey Mirkin
2008-10-20 17:48 ` Serge E. Hallyn
2008-10-24 4:40 ` [Devel] " Andrey Mirkin
2008-10-20 17:02 ` [PATCH 03/10] Introduce context structure needed during checkpointing/restart Dave Hansen
2008-10-29 15:30 ` [Devel] " 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
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