static void machine_numa_finish_init(MachineState *machine) { int i; bool default_mapping; GString *s = g_string_new(NULL); MachineClass *mc = MACHINE_GET_CLASS(machine); const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine); assert(nb_numa_nodes); for (i = 0; i < possible_cpus->len; i++) { if (possible_cpus->cpus[i].props.has_node_id) { break; } } default_mapping = (i == possible_cpus->len); for (i = 0; i < possible_cpus->len; i++) { const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; if (!cpu_slot->props.has_node_id) { if (default_mapping) { /* fetch default mapping from board and enable it */ CpuInstanceProperties props = cpu_slot->props; props.has_node_id = true; machine_set_cpu_numa_node(machine, &props, &error_fatal); } else { /* record slots with not set mapping, * TODO: make it hard error in future */ char *cpu_str = cpu_slot_to_string(cpu_slot); g_string_append_printf(s, "%sCPU %d [%s]", s->len ? ", " : "", i, cpu_str); g_free(cpu_str); } } } if (s->len && !qtest_enabled()) { error_report("warning: CPU(s) not present in any NUMA nodes: %s", s->str); error_report("warning: All CPU(s) up to maxcpus should be described " "in NUMA config, ability to start up with partial NUMA " "mappings is obsoleted and will be removed in future"); } g_string_free(s, true); }