On 11/23/2011 05:33 AM, Srivatsa S. Bhat wrote:
>> Perhaps, I'll send a companion patch to add the hybrid-suspend discovery
>> to that, and then base the next version of this patchset on that.
>>
>
> Actually thinking about it, I don't see how that would be useful for a
> libvirt managed host. The hybrid suspend feature was designed keeping
> laptops in mind, which when suspended with the power supply turned off
> (and hence powered by only batteries), the laptops could lose power and
> power off, and hence in that case resuming the saved contents from disk
> would be beneficial.
Whether to use it is a policy decision. I have much less heartburn
providing a feature no one will use, but exposing full flexibility, than
I do with failing to provide a feature on a policy decision ("no one
will want that") only to find out that someone really did want it.
>
> I doubt if anyone would be seriously interested in running virtualization
> software on laptops and managing them via libvirt, rather than using
> servers for that purpose (which have continuous power-supply).
Enterprise VMs, sure. But personal VMs - I run VMs on my laptop, and
imagine that I may eventually have a reason to use a hybrid suspend.
>
> Though I have already written a patch to add the hybrid-suspend capability
> discovery to libvirt and export it in the XML along with S3 and S4, I
> would rather prefer not to send that patch if nobody is going to use it.
Please go ahead with sending the patch.
--
Eric Blake eblake@xxxxxxxxxx +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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