11859 need swapgs mitigation
Reviewed by: Robert Mustacchi <rm@fingolfin.org>
Reviewed by: Dan McDonald <danmcd@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Robert Mustacchi <rm@fingolfin.org>

*** 19,29 ****
   * CDDL HEADER END
   */
  
  /*
   * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2018 Joyent, Inc.
   */
  
  #ifndef _SYS_ARCHSYSTM_H
  #define _SYS_ARCHSYSTM_H
  
--- 19,29 ----
   * CDDL HEADER END
   */
  
  /*
   * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2019 Joyent, Inc.
   */
  
  #ifndef _SYS_ARCHSYSTM_H
  #define _SYS_ARCHSYSTM_H
  
*** 92,105 ****
  extern void tr_sys_call();
  extern void brand_sys_call();
  #endif
  extern void sys_sysenter();
  extern void tr_sys_sysenter();
- extern void _sys_sysenter_post_swapgs();
  extern void brand_sys_sysenter();
  extern void tr_brand_sys_sysenter();
- extern void _brand_sys_sysenter_post_swapgs();
  
  extern void dosyscall(void);
  
  extern void bind_hwcap(void);
  
--- 92,103 ----