Messages in this thread | | | Date | Mon, 20 Oct 2008 15:49:05 +0200 | From | Daniel Lezcano <> | Subject | Re: [PATCH 0/9] OpenVZ kernel based checkpointing/restart |
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Cedric Le Goater wrote: >>> I'm afraid that we are forgetting to take the best from both >>> approaches... >> I agree with Louis. >> >> I played with Oren's patchset and tryed to port it on x86_64. I was able >> to sys_checkpoint/sys_restart but if you remove the restoring of the >> general registers, the restart still works. I am not an expert on asm, >> but my hypothesis is when we call sys_checkpoint the registers are saved >> on the stack by the syscall and when we restore the memory of the >> process, we restore the stack and the stacked registers are restored >> when exiting the sys_restart. That make me feel there is an important >> gap between external checkpoint and internal checkpoint. >> >> Dmitry's patchset is nice too, but IMO, it goes too far from what we > > I think you are talking about Andrey.
Yes :)
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