OS-7125 Need mitigation of L1TF (CVE-2018-3646)
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>

*** 19,28 ****
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2018 Joyent, Inc.
   */
  
  /*
   * Basic NUMA support in terms of locality groups
   *
*** 88,97 ****
--- 89,99 ----
  #include <sys/kstat.h>
  #include <sys/sysmacros.h>
  #include <sys/pg.h>
  #include <sys/promif.h>
  #include <sys/sdt.h>
+ #include <sys/ht.h>
  
  lgrp_gen_t      lgrp_gen = 0;           /* generation of lgroup hierarchy */
  lgrp_t *lgrp_table[NLGRPS_MAX]; /* table of all initialized lgrp_t structs */
                                  /* indexed by lgrp_id */
  int     nlgrps;                 /* number of lgroups in machine */
*** 518,527 ****
--- 520,531 ----
  static void
  lgrp_main_mp_init(void)
  {
          klgrpset_t changed;
  
+         ht_init();
+ 
          /*
           * Update lgroup topology (if necessary)
           */
          klgrpset_clear(changed);
          (void) lgrp_topo_update(lgrp_table, lgrp_alloc_max + 1, &changed);