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target-i386: Move xcc->kvm_required check to realize time 

It will allow to drop custom cpu_x86_init() and use
cpu_generic_init() instead, reducing cpu_x86_create()
to a simple 3-liner.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2016-06-06 17:16:45 +02:00 committed by Eduardo Habkost
parent e435601058
commit 104494ea25
1 changed files with 16 additions and 8 deletions
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24
target-i386/cpu.c
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@ -678,6 +678,14 @@ static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
return oc;
}
static char *x86_cpu_class_get_model_name(X86CPUClass *cc)
{
const char *class_name = object_class_get_name(OBJECT_CLASS(cc));
assert(g_str_has_suffix(class_name, X86_CPU_TYPE_SUFFIX));
return g_strndup(class_name,
strlen(class_name) - strlen(X86_CPU_TYPE_SUFFIX));
}
struct X86CPUDefinition {
const char *name;
uint32_t level;
@ -1552,7 +1560,7 @@ static void host_x86_cpu_initfn(Object *obj)
*/
cpu->host_features = true;
/* If KVM is disabled, cpu_x86_create() will already report an error */
/* If KVM is disabled, x86_cpu_realizefn() will report an error later */
if (kvm_enabled()) {
env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
@ -2178,7 +2186,6 @@ static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
X86CPU *cpu_x86_create(const char *cpu_model, Error **errp)
{
X86CPU *cpu = NULL;
X86CPUClass *xcc;
ObjectClass *oc;
gchar **model_pieces;
char *name, *features;
@ -2197,12 +2204,6 @@ X86CPU *cpu_x86_create(const char *cpu_model, Error **errp)
error_setg(&error, "Unable to find CPU definition: %s", name);
goto out;
}
xcc = X86_CPU_CLASS(oc);
if (xcc->kvm_required && !kvm_enabled()) {
error_setg(&error, "CPU model '%s' requires KVM", name);
goto out;
}
cpu = X86_CPU(object_new(object_class_get_name(oc)));
@ -2909,6 +2910,13 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
static bool ht_warned;
FeatureWord w;
if (xcc->kvm_required && !kvm_enabled()) {
char *name = x86_cpu_class_get_model_name(xcc);
error_setg(&local_err, "CPU model '%s' requires KVM", name);
g_free(name);
goto out;
}
if (cpu->apic_id < 0) {
error_setg(errp, "apic-id property was not initialized properly");
return;