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spapr: Prevent boot CPU core removal

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Boot CPU is assumed to be always present in QEMU code. So
until that assumptions are gone, deny removal request.
In another words, QEMU won't support boot CPU core hot-unplug.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
[dwg: Tweaked error message for clarity]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bharata B Rao 2016-07-27 10:44:42 +05:30 • committed by David Gibson
parent bcd510b141
commit 62be8b044a
1 changed files with 5 additions and 0 deletions
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5
hw/ppc/spapr_cpu_core.c
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@ -133,6 +133,11 @@ void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev,
sPAPRDRConnectorClass *drck;
Error *local_err = NULL;
if (index == 0) {
error_setg(errp, "Boot CPU core may not be unplugged");
return;
}
g_assert(drc);
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);