[src/trunk]: src/sys/arch/usermode/usermode Remove temporary the optimalizati...

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

details:   https://anonhg.NetBSD.org/src/rev/c5034416e335
branches:  trunk
changeset: 769597:c5034416e335
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Thu Sep 15 15:02:35 2011 +0000

description:
Remove temporary the optimalization code of pmap_remove_all() until the
suspected pmap problems are fixed/found.

diffstat:

 sys/arch/usermode/usermode/pmap.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (39 lines):

diff -r eadd28f2e210 -r c5034416e335 sys/arch/usermode/usermode/pmap.c
--- a/sys/arch/usermode/usermode/pmap.c Thu Sep 15 14:55:23 2011 +0000
+++ b/sys/arch/usermode/usermode/pmap.c Thu Sep 15 15:02:35 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.65 2011/09/15 14:55:23 reinoud Exp $ */
+/* $NetBSD: pmap.c,v 1.66 2011/09/15 15:02:35 reinoud Exp $ */
 
 /*-
  * Copyright (c) 2011 Reinoud Zandijk <reinoud%NetBSD.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.65 2011/09/15 14:55:23 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.66 2011/09/15 15:02:35 reinoud Exp $");
 
 #include "opt_memsize.h"
 #include "opt_kmempages.h"
@@ -789,7 +789,7 @@
                }
        } else {
                for (npv = pv->pv_next; npv; npv = npv->pv_next) {
-                       if (pmap == npv->pv_pmap && lpn == npv->pv_lpn)
+                       if ((pmap == npv->pv_pmap) && (lpn == npv->pv_lpn))
                                break;
                        pv = npv;
                }
@@ -842,8 +842,11 @@
        if (pmap == pmap_kernel())
                return;
 
+#if 0
+       /* remove all mappings in one-go; not needed */
        pmap_remove(pmap, VM_MIN_ADDRESS, VM_MAXUSER_ADDRESS);
        thunk_munmap((void *) VM_MIN_ADDRESS, VM_MAXUSER_ADDRESS - VM_MIN_ADDRESS);
+#endif
 #if 0
        /* remove all cached info from the pages */
        thunk_msync(VM_MIN_ADDRESS, VM_MAXUSER_ADDRESS - VM_MIN_ADDRESS,