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[src/trunk]: src/sys/arch/i386/i386 msgbuf doesn't need VM_PROT_EXEC, biostra...



details:   https://anonhg.NetBSD.org/src/rev/a41194cda3e7
branches:  trunk
changeset: 473222:a41194cda3e7
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Tue May 25 23:19:00 1999 +0000

description:
msgbuf doesn't need VM_PROT_EXEC, biostramp does.

diffstat:

 sys/arch/i386/i386/machdep.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r c1c91c955ba6 -r a41194cda3e7 sys/arch/i386/i386/machdep.c
--- a/sys/arch/i386/i386/machdep.c      Tue May 25 23:14:03 1999 +0000
+++ b/sys/arch/i386/i386/machdep.c      Tue May 25 23:19:00 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.355 1999/05/25 23:14:05 thorpej Exp $    */
+/*     $NetBSD: machdep.c,v 1.356 1999/05/25 23:19:00 thorpej Exp $    */
 
 /*-
  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@@ -380,7 +380,7 @@
 #if defined(PMAP_NEW)
        for (x = 0; x < btoc(MSGBUFSIZE); x++)
                pmap_kenter_pa((vaddr_t)msgbuf_vaddr + x * NBPG,
-                   msgbuf_paddr + x * NBPG, VM_PROT_ALL);
+                   msgbuf_paddr + x * NBPG, VM_PROT_READ|VM_PROT_WRITE);
 #else
        for (x = 0; x < btoc(MSGBUFSIZE); x++)
                pmap_enter(pmap_kernel(), (vaddr_t)msgbuf_vaddr + x * NBPG,
@@ -490,7 +490,7 @@
        pmap_enter(pmap_kernel(),
                   (vaddr_t)BIOSTRAMP_BASE,     /* virtual */
                   (paddr_t)BIOSTRAMP_BASE,     /* physical */
-                  VM_PROT_READ|VM_PROT_WRITE,  /* protection */
+                  VM_PROT_ALL,                 /* protection */
                   TRUE,                        /* wired down */
                   VM_PROT_READ|VM_PROT_WRITE);
 #endif



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