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Re: [Xen-devel] PV driver domains and S3 sleep

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] PV driver domains and S3 sleep
From: Rafal Wojtczuk <rafal@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 24 Sep 2010 16:30:33 +0200
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Joanna Rutkowska <joanna@xxxxxxxxxxxxxxxxxxxxxx>
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On Thu, Sep 16, 2010 at 05:22:50PM -0700, Jeremy Fitzhardinge wrote:
> >>> The topic is self-explanatory: how to ensure that a PV driver domain 
> >>> correctly
> >>> prepares its PCI devices for S3 sleep?
> I think the simplest thing to do is just do a regular PV save/restore on
> the domains, but without needing to save their pages to disk.  That way

I suspect suspend/resume of the driver domain will kill established net 
connections ? So we also would have to network-detach all VMs interfaces, and
reattach. It does not look pretty. 

Rafal Wojtczuk

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