xen/pvh: don't try to unplug emulated devices
A Xen PVH guest has no associated qemu device model, so trying to unplug any emulated devices is making no sense at all. Bail out early from xen_unplug_emulated_devices() when running as PVH guest. This will avoid issuing the boot message: [ 0.000000] Xen Platform PCI: unrecognised magic value Cc: <stable@vger.kernel.org> # 4.11 Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
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