X86 fix for 2.6.0-rc3

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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging

X86 fix for 2.6.0-rc3

# gpg: Signature made Mon 18 Apr 2016 20:02:15 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"

* remotes/ehabkost/tags/x86-pull-request:
  target-i386: Set AMD alias bits after filtering CPUID data

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target-i386/cpu.c

@@ -2897,6 +2897,14 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
         env->cpuid_level = 7;
     }
 
+    if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) {
+        error_setg(&local_err,
+                   kvm_enabled() ?
+                       "Host doesn't support requested features" :
+                       "TCG doesn't support requested features");
+        goto out;
+    }
+
     /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
      * CPUID[1].EDX.
      */
@@ -2907,14 +2915,6 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
     }
 
 
-    if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) {
-        error_setg(&local_err,
-                   kvm_enabled() ?
-                       "Host doesn't support requested features" :
-                       "TCG doesn't support requested features");
-        goto out;
-    }
-
 #ifndef CONFIG_USER_ONLY
     qemu_register_reset(x86_cpu_machine_reset_cb, cpu);