ACPI subsystem already has all logic in place the only thing left to eject CPU is destroy it and ammend present CPUs counter in CMOS, do so.
Signed-off-by: Igor Mammedov <imamm...@redhat.com> --- hw/i386/pc.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 0f85b56..ca1953c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1736,6 +1736,7 @@ static void pc_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { + CPUArchId *found_cpu; HotplugHandlerClass *hhc; Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); @@ -1747,13 +1748,11 @@ static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev, goto out; } - /* - * TODO: enable unplug once generic CPU remove bits land - * for now guest will be able to eject CPU ACPI wise but - * it will come back again on machine reset. - */ - /* object_unparent(OBJECT(dev)); */ + found_cpu = pc_find_cpu_slot(pcms, CPU(dev), NULL); + found_cpu->cpu = NULL; + object_unparent(OBJECT(dev)); + rtc_set_memory(pcms->rtc, 0x5f, rtc_get_memory(pcms->rtc, 0x5f) - 1); out: error_propagate(errp, local_err); } -- 2.7.0