[Xen-devel] Re: [PATCH 0/3] xen: Use PM/Hibernate events for save/restore/chkpt

[Pavel Machek <pavel@xxxxxx>]

On Sat 2011-02-19 15:12:35, Shriram Rajagopalan wrote:
> The current implementation of xen guest save/restore/checkpoint functionality
> uses PM_SUSPEND and PM_RESUME events. This is not optimal when taking
> checkpoints of a virtual machine (where the suspend hypercall returns
> non-zero, requiring the devices and xenbus to just pickup from where they left
> off instead of a complete teardown/reconnect to backend). 
> 
> The following set of patches modify this implementation to use Hibernate style
> control flow (freeze/restore for save/restore and freeze/thaw for checkpoint,
> which is merely a cancelled save akin to failed swsusp() ).
> 
> These patches are against Ian Campbell's PVHVM tree at
> git://xenbits.xen.org/people/ianc/linux-2.6.git for-stefano/pvhvm
> 
> at commit 8a8d1bc753c4e2dda5f2890292d60c67d6ebb573
> kernel version: 2.6.38-rc4

Series looks ok to me...
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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