RE: [Xen-devel] [PATCH 0/4] HVM Virtual S3

["Ke, Liping" <liping.ke@xxxxxxxxx>]

>>> 
>>> Further, do we actually need the s3 resume hypercall? Couldn't we
>>> just put the VCPUs and xen-emulated devices into the right state for
>>> resume at the end of s3 sleep and just leave the domain paused (i.e.
>>> unscheduled)?
>> As I can understand, when S3, HVM will perform like native-machine
>> S3, all execution context are in memory When resume back, jump to the
>> CS/EIP, those vcpus resume execution normally.
>> Ke& Kevin, any coments here?
> 
> That is good idea. Basically we will combine suspend/resume into one
> logic. And use "xm unpause" for resume. We will look into more. 
> 
Hi, Ke and Ian
Today I am trying this idea, I found combining S3
sus/resume+domain_pause, and then
use domain_unpause letting domain back works fine.

Yet when I am trying xm save after pausing domain, I found if a domain
not running, 
Xm save will reject the save request.
So I want to know whether domain running is a must  for xm save
operation?

Thanks& Regards,
Criping

>>> 
>>> Many Thanks,
>>> Ian
> 
> Thanks for the valuable comments :)
> 
> Best Regards
> Ke


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