From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Oren Laadan <orenl@cs.columbia.edu>
Cc: Peter Chubb <peterc@gelato.unsw.edu.au>,
linux-api@vger.kernel.org, containers@lists.linux-foundation.org,
mingo@elte.hu, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
viro@zeniv.linux.org.uk, hpa@zytor.com,
Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org, tglx@linutronix.de
Subject: Re: [RFC v7][PATCH 2/9] General infrastructure for checkpoint restart
Date: Mon, 27 Oct 2008 09:42:32 -0700 [thread overview]
Message-ID: <1225125752.12673.79.camel@nimitz> (raw)
In-Reply-To: <49059FED.4030202@cs.columbia.edu>
On Mon, 2008-10-27 at 07:03 -0400, Oren Laadan wrote:
> > In our implementation, we simply refused to checkpoint setid
> programs.
>
> True. And this works very well for HPC applications.
>
> However, it doesn't work so well for server applications, for
> instance.
>
> Also, you could use file system snapshotting to ensure that the file
> system view does not change, and still face the same issue.
>
> So I'm perfectly ok with deferring this discussion to a later time :)
Oren, is this a good place to stick a process_deny_checkpoint()? Both
so we refuse to checkpoint, and document this as something that has to
be addressed later?
-- Dave
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next prev parent reply other threads:[~2008-10-27 16:42 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-20 5:40 [RFC v7][PATCH 0/9] Kernel based checkpoint/restart Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 1/9] Create syscalls: sys_checkpoint, sys_restart Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 2/9] General infrastructure for checkpoint restart Oren Laadan
2008-10-21 19:41 ` Andrew Morton
2008-10-21 20:24 ` Serge E. Hallyn
2008-10-21 20:41 ` Andrew Morton
2008-10-22 1:33 ` Oren Laadan
2008-10-22 2:55 ` Daniel Jacobowitz
2008-10-22 3:02 ` Dave Hansen
2008-10-22 14:29 ` Daniel Jacobowitz
2008-10-22 15:28 ` Serge E. Hallyn
2008-10-22 16:02 ` Oren Laadan
2008-10-22 17:03 ` Serge E. Hallyn
2008-10-22 18:32 ` Oren Laadan
2008-10-27 8:27 ` Peter Chubb
2008-10-27 11:03 ` Oren Laadan
2008-10-27 16:42 ` Dave Hansen [this message]
2008-10-27 17:11 ` Oren Laadan
2008-10-27 20:51 ` Matt Helsley
2008-10-27 21:20 ` Serge E. Hallyn
2008-10-27 21:51 ` Oren Laadan
2008-10-27 22:09 ` Dave Hansen
2008-10-28 18:33 ` Serge E. Hallyn
2008-10-20 5:40 ` [RFC v7][PATCH 3/9] x86 support for checkpoint/restart Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 4/9] Dump memory address space Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 5/9] Restore " Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 6/9] Checkpoint/restart: initial documentation Oren Laadan
2008-10-28 16:48 ` Michael Kerrisk
2008-10-20 5:40 ` [RFC v7][PATCH 7/9] Infrastructure for shared objects Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 8/9] Dump open file descriptors Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 9/9] Restore open file descriprtors Oren Laadan
2008-10-21 19:21 ` [RFC v7][PATCH 0/9] Kernel based checkpoint/restart Andrew Morton
2008-10-21 20:41 ` Dave Hansen
2008-10-22 9:20 ` Ingo Molnar
2008-10-22 11:51 ` Daniel Lezcano
2008-10-22 11:55 ` Cedric Le Goater
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