Re: [Xen-devel] Detecting PV drivers

[James Harper <james.harper@xxxxxxxxxxxxxxxx>]

> 
> Hi,
> 
> I'm trying find out the best way of detecting whether PV drivers have
> loaded in an HVM guest. For example, this is so we can decide whether or
> not to wait for a response from the guest when suspending.
> 

>From memory, 'xm shutdown' already checks to see if something in the domu can 
>handle a shutdown, and writes to xenstore to trigger an orderly shutdown if it 
>can, or otherwise just pulls the plug. Looking at how that works might be a 
>good place to start.

James

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