8956 Implement KPTI
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>

*** 20,29 ****
--- 20,31 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2018 Joyent, Inc.
   */
  
  #ifndef _ASM_HTABLE_H
  #define _ASM_HTABLE_H
  
*** 34,45 ****
  extern "C" {
  #endif
  
  #if !defined(__lint) && defined(__GNUC__)
  
- #if defined(__i386) || defined(__amd64)
- 
  /*
   * This set of atomic operations are designed primarily
   * for some ia32 hat layer operations.
   */
  
--- 36,45 ----
*** 81,101 ****
              : "=m" (*addr)
              : "m" (*addr)
              : "cc");
  }
  
- extern __GNU_INLINE void
- mmu_tlbflush_entry(caddr_t addr)
- {
-         __asm__ __volatile__(
-             "invlpg %0"
-             : "=m" (*addr)
-             : "m" (*addr));
- }
- 
- #endif  /* __i386 || __amd64 */
- 
  #endif  /* !__lint && __GNUC__ */
  
  #ifdef  __cplusplus
  }
  #endif
--- 81,90 ----