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Re: [Xen-devel] [PATCH 0/6] xen/arm: Xen save/restore/live migration support



On 04/11/2014 09:15 AM, Julien Grall wrote:
Hi Wei,

Thank you for the series, I plan to give a try on midway. On which board
did you try the migration?
I tested the patches on a system with A15 CPUs. I don't see any problem to run them on midway. You need patches for DomU to support migration. Most of them were from Jaeyong's patch posted before (I made some modification). IMO they are hack-ish, so I didn't post them here. I can set them to you in private email. Let me know.

On 04/10/2014 05:48 PM, Wei Huang wrote:
The following are the save/restore/live-migration patches I forward-ported to
the latest Xen tree. Note that I kept the order of original patches, and
Signed-off-by as well. For the patches I modified (see summary below), I
added my name as Signed-off-by.

These patches aren't intended as the final version. Since Junghyun Yoo is
working on his patches, I think it is better to send out my version now
for discussion and proper merge. Let us make Xen 4.5 support these features.

=== Modification Summary ===

Patch 1:
* Adapt to latest Xen source code
* Setting IRQ status as enabled by checking ieanble bits after loading VM info
* Minor fixes to support 64-bit

Patch 5:
* Add new p2m ARM type (p2m_ram_logdirty) to support dirty page tracking

Patch 6:
* Enable save/restore/live migration support based on latest Xen code
* Adapt to latest Xen source code

Might be a stupid, did you go through the different comments on the v5
sent by Jaeyong? Sorry if it was the case.
Not completely. I will work on them in next revision. If Junghyun has fixes, please post them too.

Regards,



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