On 12/9/19 4:01 PM, Paolo Bonzini wrote:
Similar to CPU and machine classes, "-accel" class names are mangled,
so we have to first get a class via accel_find and then instantiate it.
Provide a new function to instantiate a class without going through
object_class_get_name, and use it for CPUs and machines already.
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
accel/accel.c | 4 +---
include/qom/object.h | 12 ++++++++++++
qom/object.c | 5 +++++
target/i386/cpu.c | 8 ++++----
target/s390x/cpu_models.c | 4 ++--
vl.c | 3 +--
6 files changed, 25 insertions(+), 11 deletions(-)
diff --git a/accel/accel.c b/accel/accel.c
index 60c3827..dd38a46 100644
--- a/accel/accel.c
+++ b/accel/accel.c
@@ -48,9 +48,7 @@ AccelClass *accel_find(const char *opt_name)
int accel_init_machine(AccelClass *acc, MachineState *ms)
{
- ObjectClass *oc = OBJECT_CLASS(acc);
- const char *cname = object_class_get_name(oc);
- AccelState *accel = ACCEL(object_new(cname));
+ AccelState *accel = ACCEL(object_new_with_class(OBJECT_CLASS(acc)));
int ret;
ms->accelerator = accel;
*(acc->allowed) = true;
diff --git a/include/qom/object.h b/include/qom/object.h
index 230b18f..f9ad692 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -593,6 +593,18 @@ struct InterfaceClass
__FILE__, __LINE__, __func__))
/**
+ * object_new_with_class:
+ * @klass: The class to instantiate.
+ *
+ * This function will initialize a new object using heap allocated memory.
+ * The returned object has a reference count of 1, and will be freed when
+ * the last reference is dropped.
+ *
+ * Returns: The newly allocated and instantiated object.
+ */
+Object *object_new_with_class(ObjectClass *klass);
The function name bugs me... Pick your poison?
object_new_by_class
object_new_of_class
object_new_for_class
object_new_from_class
object_new_with_class
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
+
+/**
* object_new:
* @typename: The name of the type of the object to instantiate.
*
diff --git a/qom/object.c b/qom/object.c
index bfb4413..bc444d3 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -658,6 +658,11 @@ static Object *object_new_with_type(Type type)
return obj;
}
+Object *object_new_with_class(ObjectClass *klass)
+{
+ return object_new_with_type(klass->type);
+}
+
Object *object_new(const char *typename)
{
TypeImpl *ti = type_get_by_name(typename);
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 69f518a..a044078 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -4640,7 +4640,7 @@ static void
x86_cpu_class_check_missing_features(X86CPUClass *xcc,
return;
}
- xc = X86_CPU(object_new(object_class_get_name(OBJECT_CLASS(xcc))));
+ xc = X86_CPU(object_new_with_class(OBJECT_CLASS(xcc)));
x86_cpu_expand_features(xc, &err);
if (err) {
@@ -4711,7 +4711,7 @@ static GSList *get_sorted_cpu_model_list(void)
static char *x86_cpu_class_get_model_id(X86CPUClass *xc)
{
- Object *obj = object_new(object_class_get_name(OBJECT_CLASS(xc)));
+ Object *obj = object_new_with_class(OBJECT_CLASS(xc));
char *r = object_property_get_str(obj, "model-id", &error_abort);
object_unref(obj);
return r;
@@ -5092,7 +5092,7 @@ static X86CPU *x86_cpu_from_model(const char *model,
QDict *props, Error **errp)
goto out;
}
- xc = X86_CPU(object_new(object_class_get_name(OBJECT_CLASS(xcc))));
+ xc = X86_CPU(object_new_with_class(OBJECT_CLASS(xcc)));
if (props) {
object_apply_props(OBJECT(xc), props, &err);
if (err) {
@@ -5936,7 +5936,7 @@ static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
APICCommonState *apic;
ObjectClass *apic_class = OBJECT_CLASS(apic_get_class());
- cpu->apic_state = DEVICE(object_new(object_class_get_name(apic_class)));
+ cpu->apic_state = DEVICE(object_new_with_class(apic_class));
object_property_add_child(OBJECT(cpu), "lapic",
OBJECT(cpu->apic_state), &error_abort);
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index 7e92fb2..72cf48b 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -440,7 +440,7 @@ static void create_cpu_model_list(ObjectClass *klass, void
*opaque)
if (cpu_list_data->model) {
Object *obj;
S390CPU *sc;
- obj = object_new(object_class_get_name(klass));
+ obj = object_new_with_class(klass);
sc = S390_CPU(obj);
if (sc->model) {
info->has_unavailable_features = true;
@@ -501,7 +501,7 @@ static void cpu_model_from_info(S390CPUModel *model, const
CpuModelInfo *info,
error_setg(errp, "The CPU definition '%s' requires KVM", info->name);
return;
}
- obj = object_new(object_class_get_name(oc));
+ obj = object_new_with_class(oc);
cpu = S390_CPU(obj);
if (!cpu->model) {
diff --git a/vl.c b/vl.c
index d6c77bc..f18b26b 100644
--- a/vl.c
+++ b/vl.c
@@ -3989,8 +3989,7 @@ int main(int argc, char **argv, char **envp)
cleanup_add_fd, NULL, &error_fatal);
#endif
- current_machine = MACHINE(object_new(object_class_get_name(
- OBJECT_CLASS(machine_class))));
+ current_machine =
MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
exit(0);
}