11787 Kernel needs to be built with retpolines
11788 Kernel needs to generally use RSB stuffing
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: John Levon <john.levon@joyent.com>

*** 19,32 ****
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * exit routine from linker/loader to kernel
   */
  
  #include <sys/asm_linkage.h>
--- 19,31 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2019 Joyent, Inc.
   */
  
  /*
   * exit routine from linker/loader to kernel
   */
  
  #include <sys/asm_linkage.h>
*** 62,72 ****
          / $arg2
          movq    $ops, %rax
          movq    (%rax), %rdx
  
          / Call destination
!         call   *%r11
  
          SET_SIZE(exitto)
  
  #endif
  
--- 61,71 ----
          / $arg2
          movq    $ops, %rax
          movq    (%rax), %rdx
  
          / Call destination
!         INDIRECT_CALL_REG(r11)
  
          SET_SIZE(exitto)
  
  #endif