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Re: [Qemu-devel] [PATCH v4] monitor: allow device_del to accept QOM path
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH v4] monitor: allow device_del to accept QOM paths |
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Date: |
Fri, 11 Sep 2015 06:46:31 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 09/11/2015 06:33 AM, Daniel P. Berrange wrote:
> Currently device_del requires that the client provide the
> device short ID. device_add allows devices may be created
> without giving an ID, at which point there is no way to
> delete them with device_del. The QOM object path, however,
> provides an alternative way to identify the devices.
>
> Allowing device_del to accept an object path ensures all
> devices are deletable regardless of whether they have an
> ID.
>
> (qemu) device_add usb-mouse
> (qemu) qom-list /machine/peripheral-anon
> device[0] (child<usb-mouse>)
> type (string)
> (qemu) device_del /machine/peripheral-anon/device[0]
>
> Devices are required to be marked as hotpluggable
> otherwise an error is raised
>
> (qemu) device_del /machine/unattached/device[4]
> Device 'PIIX3' does not support hotplugging
>
> Signed-off-by: Daniel P. Berrange <address@hidden>
> ---
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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