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

@@ -21,11 +21,11 @@
 
 /*
  * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2014 by Delphix. All rights reserved.
- * Copyright 2016 Joyent, Inc.
+ * Copyright 2018 Joyent, Inc.
  */
 
 /*
  *  Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.
  *  Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T

@@ -434,31 +434,20 @@
 
 #if defined(__lint)
 
 /* ARGSUSED */
 void
-mmu_tlbflush_entry(caddr_t m)
+mmu_invlpg(caddr_t m)
 {}
 
 #else   /* __lint */
 
-#if defined(__amd64)
-
-        ENTRY(mmu_tlbflush_entry)
+        ENTRY(mmu_invlpg)
         invlpg  (%rdi)
         ret
-        SET_SIZE(mmu_tlbflush_entry)
+        SET_SIZE(mmu_invlpg)
 
-#elif defined(__i386)
-
-        ENTRY(mmu_tlbflush_entry)
-        movl    4(%esp), %eax
-        invlpg  (%eax)
-        ret
-        SET_SIZE(mmu_tlbflush_entry)
-
-#endif  /* __i386 */
 #endif  /* __lint */
 
 
 /*
  * Get/Set the value of various control registers