XXXX define x2apic feature flag

*** 20,29 ****
--- 20,30 ----
   */
  /*
   * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2011 by Delphix. All rights reserved.
   * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
+  * Copyright 2014 Josef "Jeff" Sipek <jeffpc@josefsipek.net>
   */
  /*
   * Copyright (c) 2010, Intel Corporation.
   * All rights reserved.
   */
*** 161,171 ****
          "avx",
          "vmx",
          "svm",
          "topoext",
          "f16c",
!         "rdrand"
  };
  
  boolean_t
  is_x86_feature(void *featureset, uint_t feature)
  {
--- 162,173 ----
          "avx",
          "vmx",
          "svm",
          "topoext",
          "f16c",
!         "rdrand",
!         "x2apic",
  };
  
  boolean_t
  is_x86_feature(void *featureset, uint_t feature)
  {
*** 1309,1318 ****
--- 1311,1323 ----
                                          add_x86_feature(featureset,
                                              X86FSET_F16C);
                          }
                  }
          }
+         if (cp->cp_ecx & CPUID_INTC_ECX_X2APIC) {
+                 add_x86_feature(featureset, X86FSET_X2APIC);
+         }
          if (cp->cp_edx & CPUID_INTC_EDX_DE) {
                  add_x86_feature(featureset, X86FSET_DE);
          }
  #if !defined(__xpv)
          if (cp->cp_ecx & CPUID_INTC_ECX_MON) {