From: Cyrill Gorcunov <gorcunov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Kirill A. Shutemov" <kirill-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>
Cc: Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>,
Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>,
Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Nathan Lynch <ntl-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>,
Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Serge Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 6/7] proc: Introduce the /proc/<pid>/dump file
Date: Sun, 17 Jul 2011 12:06:27 +0400 [thread overview]
Message-ID: <20110717080627.GQ31407@sun> (raw)
In-Reply-To: <20110716225709.GA25606-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>
On Sun, Jul 17, 2011 at 01:57:09AM +0300, Kirill A. Shutemov wrote:
> On Fri, Jul 15, 2011 at 05:47:44PM +0400, Pavel Emelyanov wrote:
> > An image read from file contains task's registers and information
> > about its VM. Later this image can be execve-ed causing recreation
> > of the previously read task state.
> >
> > The file format is my own, very simple. Introduced to make the code
> > as simple as possible. Better file format (if any) is to be discussed.
>
> I think file format should be per-binfmt, similar to core dump. So it will
> be ELF with ELF binary. Core dumper code can be reused in some way.
>
Don't think so. We could push all data into PT_LOAD, still the restore
procedure is different from how elf loader works so I don't want
at all to change kernel's elf handler code (if I understand you right,
that is what you propose?). In real we tried to isolate the changes
we bring as much as possible.
Cyrill
next prev parent reply other threads:[~2011-07-17 8:06 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-15 13:45 [RFC][PATCH 0/7 + tools] Checkpoint/restore mostly in the userspace Pavel Emelyanov
[not found] ` <4E204466.8010204-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-15 13:45 ` [PATCH 0/1] proc: Introduce the /proc/<pid>/mfd/ directory Pavel Emelyanov
[not found] ` <4E20448A.5010207-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-21 7:21 ` Tejun Heo
2011-07-15 13:46 ` [PATCH 2/7] vfs: Introduce the fd closing helper Pavel Emelyanov
[not found] ` <4E2044A7.4030103-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-21 15:47 ` Serge E. Hallyn
2011-07-15 13:46 ` [PATCH 3/7] proc: Introduce the Children: line in /proc/<pid>/status Pavel Emelyanov
[not found] ` <4E2044C3.7050506-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-21 6:54 ` Tejun Heo
[not found] ` <20110721065436.GT3455-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2011-07-23 8:06 ` Pavel Emelyanov
[not found] ` <4E2A8116.1040309-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-23 8:41 ` Tejun Heo
[not found] ` <20110723084110.GG21089-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-23 8:45 ` Pavel Emelyanov
[not found] ` <4E2A8A0E.5030208-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-23 8:50 ` Tejun Heo
[not found] ` <20110723085014.GI21089-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-23 8:51 ` Pavel Emelyanov
2011-07-21 15:54 ` Serge E. Hallyn
2011-07-15 13:47 ` [PATCH 4/7] vfs: Add ->statfs callback for pipefs Pavel Emelyanov
[not found] ` <4E2044D6.3060205-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-21 6:59 ` Tejun Heo
2011-07-21 15:59 ` Serge E. Hallyn
2011-07-15 13:47 ` [PATCH 5/7] clone: Introduce the CLONE_CHILD_USEPID functionality Pavel Emelyanov
[not found] ` <4E2044EB.20001-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-21 16:04 ` Serge E. Hallyn
[not found] ` <20110721160459.GD19012-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2011-07-22 23:08 ` Matt Helsley
[not found] ` <20110722230848.GB16940-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-23 8:09 ` Pavel Emelyanov
2011-07-15 13:47 ` [PATCH 6/7] proc: Introduce the /proc/<pid>/dump file Pavel Emelyanov
[not found] ` <4E204500.6040800-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-16 22:57 ` Kirill A. Shutemov
[not found] ` <20110716225709.GA25606-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>
2011-07-17 8:06 ` Cyrill Gorcunov [this message]
2011-07-21 6:44 ` Tejun Heo
[not found] ` <20110721064408.GR3455-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2011-07-23 8:11 ` Pavel Emelyanov
[not found] ` <4E2A8239.5060908-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-23 8:37 ` Tejun Heo
[not found] ` <20110723083711.GF21089-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-23 8:49 ` Pavel Emelyanov
[not found] ` <4E2A8B12.4010709-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-23 8:58 ` Tejun Heo
2011-07-15 13:48 ` [PATCH 7/7] binfmt: Introduce the binfmt_img exec handler Pavel Emelyanov
[not found] ` <4E204519.3040804-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-21 6:51 ` Tejun Heo
[not found] ` <20110721065127.GS3455-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2011-07-22 22:46 ` Matt Helsley
[not found] ` <20110722224617.GA16940-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-23 8:17 ` Pavel Emelyanov
[not found] ` <4E2A83AC.6090504-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-23 8:45 ` Tejun Heo
[not found] ` <20110723084529.GH21089-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-23 8:51 ` Pavel Emelyanov
[not found] ` <4E2A8B7D.8010807-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-23 9:04 ` Tejun Heo
2011-07-15 13:49 ` [TOOLS] To make use of the patches Pavel Emelyanov
[not found] ` <4E204554.6040901-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-22 23:45 ` Matt Helsley
[not found] ` <20110722234558.GD16940-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-23 8:32 ` Pavel Emelyanov
[not found] ` <4E2A8704.3030306-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2011-07-27 23:00 ` Matt Helsley
[not found] ` <20110727230003.GE15501-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-28 8:23 ` James Bottomley
2011-07-23 0:40 ` Reply #2: " Matt Helsley
[not found] ` <20110723004045.GC21563-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-23 8:33 ` Pavel Emelyanov
2011-07-15 15:01 ` [RFC][PATCH 0/7 + tools] Checkpoint/restore mostly in the userspace Tejun Heo
2011-07-18 13:27 ` Serge E. Hallyn
[not found] ` <20110718132759.GB8127-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2011-07-23 8:43 ` Pavel Emelyanov
2011-07-23 0:25 ` Matt Helsley
[not found] ` <20110723002558.GE16940-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-23 3:29 ` Matt Helsley
[not found] ` <20110723032945.GD21563-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-23 4:58 ` Tejun Heo
[not found] ` <20110723045842.GD21089-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-26 18:11 ` Matt Helsley
[not found] ` <20110726181128.GD14808-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-26 22:45 ` Tejun Heo
[not found] ` <20110726224525.GC28497-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-26 23:07 ` Matt Helsley
2011-07-23 3:53 ` Tejun Heo
[not found] ` <CAOS58YPqLSYi2xECUk4O5GG3s6aokT=VykmkL6UnAOzyHXNAgQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-07-26 22:59 ` Matt Helsley
[not found] ` <20110726225911.GF14808-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-26 23:46 ` Tejun Heo
[not found] ` <20110726234657.GD28497-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-27 0:53 ` Matt Helsley
[not found] ` <20110727005341.GB15501-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-27 10:12 ` Tejun Heo
[not found] ` <20110727101228.GY2622-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2011-07-27 22:26 ` Matt Helsley
2011-07-23 5:10 ` Tejun Heo
[not found] ` <20110723051005.GE21089-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-26 22:02 ` Matt Helsley
[not found] ` <20110726220215.GE14808-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-26 22:21 ` Tejun Heo
[not found] ` <20110726222109.GB28497-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-07-27 0:06 ` Matt Helsley
[not found] ` <20110727000651.GA15501-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-27 12:01 ` Tejun Heo
[not found] ` <20110727120114.GZ2622-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2011-07-27 21:35 ` Matt Helsley
[not found] ` <20110727213510.GC15501-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2011-07-28 7:21 ` Tejun Heo
[not found] ` <20110728072141.GB2622-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2011-07-28 7:23 ` Tejun Heo
2011-07-28 8:37 ` James Bottomley
2011-07-28 9:10 ` Tejun Heo
2011-07-23 8:39 ` Pavel Emelyanov
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