[src/trunk]: src/sys/arch Remove this area (unused).

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8b318cdb60f2
branches:  trunk
changeset: 346202:8b318cdb60f2
user:      maxv <maxv%NetBSD.org@localhost>
date:      Fri Jul 01 10:20:10 2016 +0000

description:
Remove this area (unused).

diffstat:

 sys/arch/amd64/amd64/machdep.c |   8 ++------
 sys/arch/x86/x86/pmap.c        |  20 ++------------------
 2 files changed, 4 insertions(+), 24 deletions(-)

diffs (84 lines):

diff -r 49f0f55f80b0 -r 8b318cdb60f2 sys/arch/amd64/amd64/machdep.c
--- a/sys/arch/amd64/amd64/machdep.c    Fri Jul 01 09:03:28 2016 +0000
+++ b/sys/arch/amd64/amd64/machdep.c    Fri Jul 01 10:20:10 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.217 2016/05/15 10:35:54 maxv Exp $       */
+/*     $NetBSD: machdep.c,v 1.218 2016/07/01 10:20:10 maxv Exp $       */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2000, 2006, 2007, 2008, 2011
@@ -111,7 +111,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.217 2016/05/15 10:35:54 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.218 2016/07/01 10:20:10 maxv Exp $");
 
 /* #define XENDEBUG_LOW  */
 
@@ -267,9 +267,6 @@
 vaddr_t        idt_vaddr;
 paddr_t        idt_paddr;
 
-vaddr_t lo32_vaddr;
-paddr_t lo32_paddr;
-
 vaddr_t module_start, module_end;
 static struct vm_map module_map_store;
 extern struct vm_map *module_map;
@@ -1657,7 +1654,6 @@
        pmap_kenter_pa(idt_vaddr + 2 * PAGE_SIZE, idt_paddr + 2 * PAGE_SIZE,
            VM_PROT_READ|VM_PROT_WRITE, 0);
 #endif
-       pmap_kenter_pa(lo32_vaddr, lo32_paddr, VM_PROT_READ|VM_PROT_WRITE, 0);
        pmap_update(pmap_kernel());
 
 #ifndef XEN
diff -r 49f0f55f80b0 -r 8b318cdb60f2 sys/arch/x86/x86/pmap.c
--- a/sys/arch/x86/x86/pmap.c   Fri Jul 01 09:03:28 2016 +0000
+++ b/sys/arch/x86/x86/pmap.c   Fri Jul 01 10:20:10 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.196 2016/05/21 07:15:56 maxv Exp $  */
+/*     $NetBSD: pmap.c,v 1.197 2016/07/01 10:20:10 maxv Exp $  */
 
 /*-
  * Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
@@ -171,7 +171,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.196 2016/05/21 07:15:56 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.197 2016/07/01 10:20:10 maxv Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_lockdebug.h"
@@ -545,11 +545,6 @@
 extern vaddr_t idt_vaddr;                      /* we allocate IDT early */
 extern paddr_t idt_paddr;
 
-#ifdef _LP64
-extern vaddr_t lo32_vaddr;
-extern vaddr_t lo32_paddr;
-#endif
-
 extern int end;
 
 #ifdef i386
@@ -1543,17 +1538,6 @@
 #endif /* defined(__x86_64__) */
 #endif /* XEN */
 
-#ifdef _LP64
-       /*
-        * Grab a page below 4G for things that need it (i.e.
-        * having an initial %cr3 for the MP trampoline).
-        */
-       lo32_vaddr = virtual_avail;
-       virtual_avail += PAGE_SIZE;
-       lo32_paddr = avail_start;
-       avail_start += PAGE_SIZE;
-#endif
-
        /*
         * now we reserve some VM for mapping pages when doing a crash dump
         */