[src/trunk]: src/sys/arch/arm/arm32 PR port-arm/55186: tests crash arm pmap

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

details:   https://anonhg.NetBSD.org/src/rev/edd98083f340
branches:  trunk
changeset: 931008:edd98083f340
user:      ad <ad%NetBSD.org@localhost>
date:      Sun Apr 19 21:24:36 2020 +0000

description:
PR port-arm/55186: tests crash arm pmap

pmap_clearbit(): take execbits into account in the fastpath.

diffstat:

 sys/arch/arm/arm32/pmap.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 278fdd2a30f5 -r edd98083f340 sys/arch/arm/arm32/pmap.c
--- a/sys/arch/arm/arm32/pmap.c Sun Apr 19 21:11:42 2020 +0000
+++ b/sys/arch/arm/arm32/pmap.c Sun Apr 19 21:24:36 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.410 2020/04/19 19:36:49 kre Exp $   */
+/*     $NetBSD: pmap.c,v 1.411 2020/04/19 21:24:36 ad Exp $    */
 
 /*
  * Copyright 2003 Wasabi Systems, Inc.
@@ -192,7 +192,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.410 2020/04/19 19:36:49 kre Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.411 2020/04/19 21:24:36 ad Exp $");
 
 #include <sys/atomic.h>
 #include <sys/param.h>
@@ -2376,7 +2376,7 @@
                /*
                 * Anything to do?
                 */
-               if ((oflags & maskbits) == 0) {
+               if ((oflags & maskbits) == 0 && execbits == 0) {
                        pv = SLIST_NEXT(pv, pv_link);
                        continue;
                }