9210 remove KMDB branch debugging support
9211 ::crregs could do with cr2/cr3 support
9209 ::ttrace should be able to filter by thread
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>

@@ -19,10 +19,12 @@
  * CDDL HEADER END
  */
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright 2018 Joyent, Inc.
  */
 
 /*
  * Kernel/Debugger Interface (KDI) routines.  Called during debugger under
  * various system states (boot, while running, while the debugger has control).

@@ -152,11 +154,10 @@
         kdi->kdi_kmdb_enter = kmdb_enter;
         kdi->mkdi_activate = kdi_activate;
         kdi->mkdi_deactivate = kdi_deactivate;
         kdi->mkdi_idt_switch = kdi_idt_switch;
         kdi->mkdi_update_drreg = kdi_update_drreg;
-        kdi->mkdi_set_debug_msrs = kdi_set_debug_msrs;
         kdi->mkdi_get_userlimit = kdi_get_userlimit;
         kdi->mkdi_get_cpuinfo = kdi_get_cpuinfo;
         kdi->mkdi_stop_slaves = kdi_stop_slaves;
         kdi->mkdi_start_slaves = kdi_start_slaves;
         kdi->mkdi_slave_wait = kdi_slave_wait;