Module Name: src
Committed By: maxv
Date: Fri Feb 21 18:34:37 UTC 2020
Modified Files:
src/sys/arch/x86/x86: pmap.c
Log Message:
In pmap_changeprot_local(), drop the dirty bit along with the write bit.
To generate a diff of this commit:
cvs rdiff -u -r1.356 -r1.357 src/sys/arch/x86/x86/pmap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/x86/x86/pmap.c
diff -u src/sys/arch/x86/x86/pmap.c:1.356 src/sys/arch/x86/x86/pmap.c:1.357
--- src/sys/arch/x86/x86/pmap.c:1.356 Fri Feb 21 18:31:55 2020
+++ src/sys/arch/x86/x86/pmap.c Fri Feb 21 18:34:37 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.356 2020/02/21 18:31:55 maxv Exp $ */
+/* $NetBSD: pmap.c,v 1.357 2020/02/21 18:34:37 maxv Exp $ */
/*
* Copyright (c) 2008, 2010, 2016, 2017, 2019, 2020 The NetBSD Foundation, Inc.
@@ -130,7 +130,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.356 2020/02/21 18:31:55 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.357 2020/02/21 18:34:37 maxv Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@@ -868,7 +868,7 @@ pmap_changeprot_local(vaddr_t va, vm_pro
if ((prot & VM_PROT_WRITE) != 0)
npte |= PTE_W;
else
- npte &= ~PTE_W;
+ npte &= ~(PTE_W|PTE_D);
if (opte != npte) {
pmap_pte_set(pte, npte);
