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Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
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From: Alexey Dobriyan
Subject:
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
Date: Friday, November 19, 2010 - 9:38 am
On Fri, Nov 19, 2010 at 6:32 PM, Tejun Heo <tj@kernel.org> wrote:
quoted text
> On 11/19/2010 05:27 PM, Alexey Dobriyan wrote: >> On Fri, Nov 19, 2010 at 6:19 PM, Tejun Heo <tj@kernel.org> wrote: >>>> The paragon of absurdity is struct task_struct::did_exec . >>> >>> Yeah, then go and figure how to do that in a way which would be useful >>> for other purposes too instead of trying to shove the whole >>> checkpointer inside the kernel. It sure would be harder but hey >>> that's the way it is. >> >> System call for one bit? This is ridiculous. > > Why not just a flag in proc entry? It's a frigging single bit.
Because /proc/*/did_exec useless to anyone but C/R (even for reading!). Because code is much simpler: tsk->did_exec = !!tsk_img->did_exec; + __u8 did_exec; --
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Messages in current thread:
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Tue Nov 2, 2:35 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Christoph Hellwig
, (Tue Nov 2, 2:47 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Nathan Lynch
, (Wed Nov 3, 6:47 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Kapil Arya
, (Wed Nov 3, 8:40 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Wed Nov 3, 9:03 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Wed Nov 3, 9:34 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Thu Nov 4, 12:36 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Thu Nov 4, 1:05 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Thu Nov 4, 2:43 am)
RE: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Luck, Tony
, (Thu Nov 4, 5:48 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Thu Nov 4, 6:06 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Christoph Hellwig
, (Thu Nov 4, 7:25 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Thu Nov 4, 9:04 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Thu Nov 4, 9:44 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Nathan Lynch
, (Thu Nov 4, 1:45 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Kapil Arya
, (Thu Nov 4, 8:55 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 5, 2:28 am)
RE: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Luck, Tony
, (Fri Nov 5, 4:57 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Fri Nov 5, 10:17 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Sukadev Bhattiprolu
, (Fri Nov 5, 10:31 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Fri Nov 5, 3:24 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Fri Nov 5, 4:18 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Kapil Arya
, (Fri Nov 5, 5:36 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Matt Helsley
, (Fri Nov 5, 6:16 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Fri Nov 5, 9:06 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Matt Helsley
, (Fri Nov 5, 10:18 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Matt Helsley
, (Fri Nov 5, 10:32 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Matt Helsley
, (Fri Nov 5, 11:48 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Matt Helsley
, (Sat Nov 6, 3:12 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Sat Nov 6, 3:13 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Sat Nov 6, 4:03 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 6, 8:01 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sat Nov 6, 1:40 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 6, 2:00 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 6, 2:05 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 6, 3:41 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 6, 3:55 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 7, 11:49 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 7, 12:42 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sun Nov 7, 2:30 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sun Nov 7, 2:44 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sun Nov 7, 2:59 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Davide Libenzi
, (Sun Nov 7, 3:59 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 7, 4:05 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 7, 4:31 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, david
, (Sun Nov 7, 7:32 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sun Nov 7, 8:55 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Mon Nov 8, 9:26 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Mon Nov 8, 11:14 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Mon Nov 8, 11:37 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Dan Smith
, (Mon Nov 8, 12:05 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Mon Nov 8, 12:34 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Wed Nov 17, 3:45 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Wed Nov 17, 4:14 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Wed Nov 17, 4:57 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Wed Nov 17, 5:12 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Dan Smith
, (Wed Nov 17, 8:33 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Serge E. Hallyn
, (Wed Nov 17, 8:39 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Wed Nov 17, 8:40 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Wed Nov 17, 8:46 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Wed Nov 17, 10:04 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Matt Helsley
, (Wed Nov 17, 3:17 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Pavel Emelyanov
, (Thu Nov 18, 2:13 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Thu Nov 18, 2:48 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Thu Nov 18, 3:06 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Thu Nov 18, 12:53 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Jose R. Santos
, (Thu Nov 18, 1:13 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Thu Nov 18, 1:25 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Thu Nov 18, 1:41 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Serge Hallyn
, (Thu Nov 18, 8:54 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Serge Hallyn
, (Thu Nov 18, 9:10 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 7:04 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Kirill Korotaev
, (Fri Nov 19, 7:36 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 8:33 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:00 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:01 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 9:06 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 9:10 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:16 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 9:19 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:25 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:27 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 9:32 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:38 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Fri Nov 19, 9:50 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Alexey Dobriyan
, (Fri Nov 19, 9:55 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 20, 10:58 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 20, 11:05 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 20, 11:08 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 20, 11:11 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Sat Nov 20, 11:15 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Tejun Heo
, (Sat Nov 20, 12:33 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 21, 1:18 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 21, 1:21 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Grant Likely
, (Sun Nov 21, 3:41 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Mon Nov 22, 10:18 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Mon Nov 22, 10:34 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Sukadev Bhattiprolu
, (Mon Nov 22, 11:02 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Tue Nov 23, 10:53 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Kapil Arya
, (Tue Nov 23, 8:50 pm)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Oren Laadan
, (Thu Nov 25, 9:04 am)
Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch
, Gene Cooperman
, (Sun Nov 28, 9:09 pm)
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