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Re: [Xen-devel] [RFC PATCH 0/3] Remus: add remus support for migration v2





On 07/09/2014 05:42 PM, Andrew Cooper wrote:
On 09/07/14 08:47, Yang Hongyang wrote:
This patchset adds remus support for migration v2, it is based on
Andrew's "[PATCH v6 0/13] Migration Stream v2".

Only tested on x86 pv guests. It is a PoC, without performence tuning
and mem compress support.

The code is presented here for comment/query/critism and wider the
discussion of remus support on migration v2.

Yang Hongyang (3):
   remus: add a bool var to indicate checkpointed stream
   remus: implement remus checkpoint in v2 save
   remus: adjust x86 pv restore to support remus

  tools/libxc/saverestore/common.h         |  8 +++
  tools/libxc/saverestore/restore_x86_pv.c | 67 +++++++++++++++-------
  tools/libxc/saverestore/save.c           | 95 ++++++++++++++++++++------------
  tools/libxc/xenguest.h                   |  1 +
  tools/libxl/libxl_dom.c                  |  1 +
  5 files changed, 118 insertions(+), 54 deletions(-)


Thankyou very much for doing this!

I am surprised quite how little code it it, but that can only be a good
thing.

Yes, the whole checkpoint process is quite simple(only the process itself)...
v2 makes it more clear to hack the code.


~Andrew
.


--
Thanks,
Yang.

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