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Here we list major project milestones achieved.
20 Sep 2012: crtools 0.2
23 Jul 2012: crtools 0.1
14 Feb 2012: Andrew Morton starts to doubt in CRIU
From https://lkml.org/lkml/2012/2/14/384:
Thus far our (my) approach has been to trickle the c/r support code into mainline as it is developed. Under the assumption that the end result will be acceptable and useful kernel code. I'm afraid that I'm losing confidence in that approach. We have this patchset, we have Stanislav's "IPC: checkpoint/restore in userspace enhancements" (which apparently needs to get more complex to support LSM context c/r). I simply *don't know* what additional patchsets are expected. And from what you told me it sounds like networking support is at a very early stage and I fear for what the end result of that will look like. So I don't feel that I can continue feeding these things into mainline until someone can convince me that we won't have a nasty mess (and/or an unsufficiently useful feature) at the end of the project.
12 Jan 2012: Linus merged a first wave of CRIU patches
From commit 0994695:
- checkpoint/restart feature work.
A note on this: this is a project by various mad Russians to perform
c/r mainly from userspace, with various oddball helper code added
into the kernel where the need is demonstrated.
So rather than some large central lump of code, what we have is
little bits and pieces popping up in various places which either
expose something new or which permit something which is normally
kernel-private to be modified.
The overall project is an ongoing thing. I've judged that the size
and scope of the thing means that we're more likely to be successful
with it if we integrate the support into mainline piecemeal rather
than allowing it all to develop out-of-tree.
However I'm less confident than the developers that it will all
eventually work! So what I'm asking them to do is to wrap each piece
of new code inside CONFIG_CHECKPOINT_RESTORE. So if it all
eventually comes to tears and the project as a whole fails, it should
be a simple matter to go through and delete all trace of it.
30 Nov 2011: CRIU name coined, dot org domain registered
Domain Name:CRIU.ORG Created On:30-Nov-2011 12:49:39 UTC
19 Jul 2011: Jonathan Corbet wrote the article at lwn.net
See "Checkpoint/restart (mostly) in user space"
15 Jul 2011: Pavel sent POC to LKML
From: Pavel Emelyanov Subject: [RFC][PATCH 0/7 + tools] Checkpoint/restore mostly in the userspace Date: Fri, 15 Jul 2011 17:45:10 +0400