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Date: Wed, 06 Mar 2013 15:52:50 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] qdev: DEVICE_DELETED event
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To: Eric Blake <eblake@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Eduardo Habkost <ehabkost@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@gmail.com>, Markus Armbruster <armbru@redhat.com>, Luiz Capitulino <lcapitulino@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, laine@redhat.com, =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= <afaerber@suse.de>

Il 06/03/2013 15:44, Eric Blake ha scritto:
> Question - if libvirt misses the event (for example, if libvirtd
> requests a remove, but then gets restarted, and the event arrives before
> libvirtd is back up), is there a way to poll whether the the removal has
> completed?  The event is great to minimize polling overhead in the
> common case, but we generally provide this sort of information via a
> pollable interface at the same time.

Yes, you can use qom-list on /machine/peripheral.

Paolo