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NEWS: document new hotplug enable/disable option on pci-root controller

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A new 'target' subelement of the pci-root controller has been
introduced having a 'hotplug' property. This property can be used to
turn off or turn on the ability to hotplug/unplug devices to the slots
of the pci-root.

The new element can be used like this:

<controller type='pci' model='pci-root'>
   <target hotplug='off'/>
</controller>

This will turn off hotplug capability on the pci-root ports. To turn
the capability on, we set hotplug='on' above (which is also the
default).

Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
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Ani Sinha 2021-10-01 14:59:48 +05:30 committed by Laine Stump
parent 133d7983d6
commit 1c0aa23a83
1 changed files with 8 additions and 0 deletions
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NEWS.rst
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@ -24,6 +24,14 @@ v7.9.0 (unreleased)
``virDomainUpdateDeviceFlags()`` API to adjust amount of memory or ``virsh
update-memory-device`` for convenience.
* qemu: support disabling hotplug of devices on the pci-root controller
the <target hotplug='on|off'/> option is now supported for the
pci-root controller on i440fx-based (x86 "pc") machinetypes. This
can be used to disable hotplug/unplug of devices from this
controller. The default behavior is unchanged (hotplug is
allowed).
* **Improvements**
* **Bug fixes**