Re: [Xen-devel] poweroff in 3.2 and 3.3

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 20/11/08 02:39, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:

> However I'm considering the point whether Xen can simply reject the
> s3 request, when observing non-current vcpus still alive. Domain can
> be in trouble if unaware of underlying sleep phase, such time keeping
> and softlockup warning. More seriously, domain with passthrough
> devices can't recover device state since it's even not notified to save
> context. Opinions?

What would you warn on?
 - VCPUs still exist?
 - VCPUs still online?
 - VCPUs not paused?
 - VCPUs not 'paused_by_system_controller'?

I'm not sure what the WARN_ON() condition would be. A forceful
domain_pause()/vcpu_pause() is a good idea anyway.

 -- Keir



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