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-rw-r--r--hw/arm/sbsa-ref.c1
-rw-r--r--hw/core/machine.c4
-rw-r--r--hw/core/numa.c7
-rw-r--r--qemu-deprecated.texi8
-rw-r--r--target/i386/cpu.c8
5 files changed, 18 insertions, 10 deletions
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
index 5853bdee5c..9b5bcb5634 100644
--- a/hw/arm/sbsa-ref.c
+++ b/hw/arm/sbsa-ref.c
@@ -789,7 +789,6 @@ static void sbsa_ref_class_init(ObjectClass *oc, void *data)
mc->possible_cpu_arch_ids = sbsa_ref_possible_cpu_arch_ids;
mc->cpu_index_to_instance_props = sbsa_ref_cpu_index_to_props;
mc->get_default_cpu_node_id = sbsa_ref_get_default_cpu_node_id;
- mc->numa_mem_supported = true;
}
static const TypeInfo sbsa_ref_info = {
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 56137e9bf0..73bf1f8572 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -843,7 +843,7 @@ static void machine_initfn(Object *obj)
NULL);
}
- if (mc->numa_mem_supported) {
+ if (mc->cpu_index_to_instance_props && mc->get_default_cpu_node_id) {
ms->numa_state = g_new0(NumaState, 1);
}
@@ -966,7 +966,7 @@ void machine_run_board_init(MachineState *machine)
{
MachineClass *machine_class = MACHINE_GET_CLASS(machine);
- if (machine_class->numa_mem_supported) {
+ if (machine->numa_state) {
numa_complete_configuration(machine);
if (machine->numa_state->num_nodes) {
machine_numa_finish_cpu_init(machine);
diff --git a/hw/core/numa.c b/hw/core/numa.c
index e3332a984f..19f082de12 100644
--- a/hw/core/numa.c
+++ b/hw/core/numa.c
@@ -83,10 +83,6 @@ static void parse_numa_node(MachineState *ms, NumaNodeOptions *node,
return;
}
- if (!mc->cpu_index_to_instance_props || !mc->get_default_cpu_node_id) {
- error_setg(errp, "NUMA is not supported by this machine-type");
- return;
- }
for (cpus = node->cpus; cpus; cpus = cpus->next) {
CpuInstanceProperties props;
if (cpus->value >= max_cpus) {
@@ -178,9 +174,8 @@ void parse_numa_distance(MachineState *ms, NumaDistOptions *dist, Error **errp)
void set_numa_options(MachineState *ms, NumaOptions *object, Error **errp)
{
Error *err = NULL;
- MachineClass *mc = MACHINE_GET_CLASS(ms);
- if (!mc->numa_mem_supported) {
+ if (!ms->numa_state) {
error_setg(errp, "NUMA is not supported by this machine-type");
goto end;
}
diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
index 09d0ca069e..0968d37c74 100644
--- a/qemu-deprecated.texi
+++ b/qemu-deprecated.texi
@@ -384,6 +384,14 @@ guarantees must resolve the CPU model aliases using te
``alias-of'' field returned by the ``query-cpu-definitions'' QMP
command.
+While those guarantees are kept, the return value of
+``query-cpu-definitions'' will have existing CPU model aliases
+point to a version that doesn't break runnability guarantees
+(specifically, version 1 of those CPU models). In future QEMU
+versions, aliases will point to newer CPU model versions
+depending on the machine type, so management software must
+resolve CPU model aliases before starting a virtual machine.
+
@node Recently removed features
@appendix Recently removed features
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index e1eb9f4739..31556b7ec4 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -3981,7 +3981,13 @@ static PropValue tcg_default_props[] = {
};
-X86CPUVersion default_cpu_version = CPU_VERSION_LATEST;
+/*
+ * We resolve CPU model aliases using -v1 when using "-machine
+ * none", but this is just for compatibility while libvirt isn't
+ * adapted to resolve CPU model versions before creating VMs.
+ * See "Runnability guarantee of CPU models" at * qemu-deprecated.texi.
+ */
+X86CPUVersion default_cpu_version = 1;
void x86_cpu_set_default_version(X86CPUVersion version)
{