[src/trunk]: src/sys/kern only print debugging info if we are actually going ...

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

details:   https://anonhg.NetBSD.org/src/rev/2e05625da743
branches:  trunk
changeset: 345251:2e05625da743
user:      christos <christos%NetBSD.org@localhost>
date:      Sat May 14 17:04:09 2016 +0000

description:
only print debugging info if we are actually going to change the permission.

diffstat:

 sys/kern/kern_pax.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 23d719f1c00e -r 2e05625da743 sys/kern/kern_pax.c
--- a/sys/kern/kern_pax.c       Sat May 14 14:46:55 2016 +0000
+++ b/sys/kern/kern_pax.c       Sat May 14 17:04:09 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_pax.c,v 1.44 2016/05/13 17:33:43 christos Exp $   */
+/*     $NetBSD: kern_pax.c,v 1.45 2016/05/14 17:04:09 christos Exp $   */
 
 /*
  * Copyright (c) 2015 The NetBSD Foundation, Inc.
@@ -57,7 +57,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_pax.c,v 1.44 2016/05/13 17:33:43 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_pax.c,v 1.45 2016/05/14 17:04:09 christos Exp $");
 
 #include "opt_pax.h"
 
@@ -411,7 +411,7 @@
        if ((*prot & (VM_PROT_WRITE|VM_PROT_EXECUTE)) != VM_PROT_EXECUTE) {
 #ifdef PAX_MPROTECT_DEBUG
                struct proc *p = l->l_proc;
-               if (pax_mprotect_debug) {
+               if ((*prot & VM_PROT_EXECUTE) && pax_mprotect_debug) {
                        printf("%s: %s,%zu: %d.%d (%s): -x\n",
                            __func__, file, line,
                            p->p_pid, l->l_lid, p->p_comm);
@@ -422,7 +422,7 @@
        } else {
 #ifdef PAX_MPROTECT_DEBUG
                struct proc *p = l->l_proc;
-               if (pax_mprotect_debug) {
+               if ((*prot & VM_PROT_WRITE) && pax_mprotect_debug) {
                        printf("%s: %s,%zu: %d.%d (%s): -w\n",
                            __func__, file, line,
                            p->p_pid, l->l_lid, p->p_comm);