pc: Forbid BSP removal
Boot CPU is assumed to always present in QEMU code, so untile that assumptions are gone, deny removal request, In another words QEMU won't support BSP hot-unplug. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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@ -1803,10 +1803,18 @@ out:
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static void pc_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp)
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{
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int idx = -1;
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HotplugHandlerClass *hhc;
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Error *local_err = NULL;
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PCMachineState *pcms = PC_MACHINE(hotplug_dev);
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pc_find_cpu_slot(pcms, CPU(dev), &idx);
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assert(idx != -1);
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if (idx == 0) {
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error_setg(&local_err, "Boot CPU is unpluggable");
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goto out;
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}
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hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
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hhc->unplug_request(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
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