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Date: Wed, 8 Jul 2009 15:10:58 +0100
From: "Daniel P. Berrange" <berrange@redhat.com>
Subject: Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot
Message-ID: <20090708141058.GQ26640@redhat.com>
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To: Avi Kivity <avi@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, Ryan Harper <ryanh@us.ibm.com>, qemu-devel@nongnu.org, Gleb Natapov <gleb@redhat.com>

On Wed, Jul 08, 2009 at 05:04:45PM +0300, Avi Kivity wrote:
> On 07/08/2009 04:05 PM, Anthony Liguori wrote:
> >>OS is free to ignore ACPI shutdown request and in this case
> >>reboot_requested will not be reset. On the next user initiated
> >>guest power down qemu will reboot instead of exit.
> >
> >Indeed.  This is what has kept me from applying this but I just can't 
> >think of any better solution.
> >
> >Any ideas?
> >
> >The drive behind implementing this feature is so that we can implement 
> >a proper virDomainReboot in libvirt.
> >
> 
> How does Xen hvm implement it?

You have to install the Xen paravirt drivers, so Xen HVM handles graceful
shutdown/reboot in the same way as pure Xen paravirt. They watch a flag
in xenstore and invoke shutdown -r / -h according to the flag.

Regards,
Daniel
-- 
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