From: Dave Hansen <dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
Cc: Peter Chubb
<peterc-M3ycANVxPotyL3EAZA59ERCuuivNXqWP@public.gmane.org>,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
mingo-X9Un+BFzKDI@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org,
hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org
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-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
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
--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
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
[not found] ` <1224481237-4892-3-git-send-email-orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-21 19:41 ` Andrew Morton
[not found] ` <20081021124130.a002e838.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2008-10-21 20:24 ` Serge E. Hallyn
[not found] ` <20081021202410.GA10423-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-21 20:41 ` Andrew Morton
2008-10-22 1:33 ` Oren Laadan
2008-10-22 2:55 ` Daniel Jacobowitz
[not found] ` <20081022025513.GA7504-FDxGpBj5bhMn2ysHARXsoQ@public.gmane.org>
2008-10-22 3:02 ` Dave Hansen
2008-10-22 14:29 ` Daniel Jacobowitz
[not found] ` <48FE82DF.6030005-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-22 15:28 ` Serge E. Hallyn
[not found] ` <20081022152804.GA23821-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-22 16:02 ` Oren Laadan
2008-10-22 17:03 ` Serge E. Hallyn
[not found] ` <20081022170325.GA4908-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-22 18:32 ` Oren Laadan
2008-10-27 8:27 ` Peter Chubb
[not found] ` <87tzayh27r.wl%peter-LkDQP0DxSMGxwJ88Py/mJxCuuivNXqWP@public.gmane.org>
2008-10-27 11:03 ` Oren Laadan
[not found] ` <49059FED.4030202-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-27 16:42 ` Dave Hansen [this message]
2008-10-27 17:11 ` Oren Laadan
[not found] ` <4905F648.4030402-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-27 20:51 ` Matt Helsley
2008-10-27 21:20 ` Serge E. Hallyn
2008-10-27 21:51 ` Oren Laadan
[not found] ` <490637D8.4080404-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
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
[not found] ` <1224481237-4892-1-git-send-email-orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-20 5:40 ` [RFC v7][PATCH 5/9] Restore " Oren Laadan
2008-10-20 5:40 ` [RFC v7][PATCH 7/9] Infrastructure for shared objects Oren Laadan
2008-10-21 19:21 ` [RFC v7][PATCH 0/9] Kernel based checkpoint/restart Andrew Morton
[not found] ` <20081021122135.4bce362c.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2008-10-21 20:41 ` Dave Hansen
2008-10-22 9:20 ` Ingo Molnar
[not found] ` <20081022092024.GC12453-X9Un+BFzKDI@public.gmane.org>
2008-10-22 11:51 ` Daniel Lezcano
2008-10-22 11:55 ` Cedric Le Goater
2008-10-20 5:40 ` [RFC v7][PATCH 6/9] Checkpoint/restart: initial documentation Oren Laadan
[not found] ` <1224481237-4892-7-git-send-email-orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-28 16:48 ` Michael Kerrisk
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1225125752.12673.79.camel@nimitz \
--to=dave-23vcf4htsmix0ybbhkvfkdbpr1lh4cv8@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org \
--cc=linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org \
--cc=mingo-X9Un+BFzKDI@public.gmane.org \
--cc=orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org \
--cc=peterc-M3ycANVxPotyL3EAZA59ERCuuivNXqWP@public.gmane.org \
--cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
--cc=torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).