diff options
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/spapr_cpu_core.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index bc52b3c..4bfc96b 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -126,12 +126,23 @@ static void spapr_core_release(DeviceState *dev, void *opaque) void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { + sPAPRMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); CPUCore *cc = CPU_CORE(dev); sPAPRDRConnector *drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_CPU, cc->core_id); sPAPRDRConnectorClass *drck; Error *local_err = NULL; + int smt = kvmppc_smt_threads(); + int index = cc->core_id / smt; + int spapr_max_cores = max_cpus / smp_threads; + int i; + for (i = spapr_max_cores - 1; i > index; i--) { + if (spapr->cores[i]) { + error_setg(errp, "core-id %d should be removed first", i * smt); + return; + } + } g_assert(drc); drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); @@ -214,7 +225,7 @@ void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(OBJECT(hotplug_dev)); sPAPRMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); int spapr_max_cores = max_cpus / smp_threads; - int index; + int index, i; int smt = kvmppc_smt_threads(); Error *local_err = NULL; CPUCore *cc = CPU_CORE(dev); @@ -252,6 +263,14 @@ void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, goto out; } + for (i = 0; i < index; i++) { + if (!spapr->cores[i]) { + error_setg(&local_err, "core-id %d should be added first", + i * smt); + goto out; + } + } + out: g_free(base_core_type); error_propagate(errp, local_err); |