Module Name: src
Committed By: skrll
Date: Fri Nov 7 12:43:36 UTC 2014
Modified Files:
src/sys/arch/arm/arm32: pmap.c
Log Message:
In pmap_enter only flush the TLB if really necessary
To generate a diff of this commit:
cvs rdiff -u -r1.309 -r1.310 src/sys/arch/arm/arm32/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/arm/arm32/pmap.c
diff -u src/sys/arch/arm/arm32/pmap.c:1.309 src/sys/arch/arm/arm32/pmap.c:1.310
--- src/sys/arch/arm/arm32/pmap.c:1.309 Wed Nov 5 09:13:16 2014
+++ src/sys/arch/arm/arm32/pmap.c Fri Nov 7 12:43:36 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.309 2014/11/05 09:13:16 skrll Exp $ */
+/* $NetBSD: pmap.c,v 1.310 2014/11/07 12:43:36 skrll Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@@ -215,7 +215,7 @@
#include <arm/locore.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.309 2014/11/05 09:13:16 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.310 2014/11/07 12:43:36 skrll Exp $");
//#define PMAP_DEBUG
#ifdef PMAP_DEBUG
@@ -3316,8 +3316,9 @@ pmap_enter(pmap_t pm, vaddr_t va, paddr_
if (npte != opte) {
l2pte_reset(ptep);
PTE_SYNC(ptep);
- pmap_tlb_flush_SE(pm, va, oflags);
-
+ if (l2pte_valid_p(opte)) {
+ pmap_tlb_flush_SE(pm, va, oflags);
+ }
l2pte_set(ptep, npte, 0);
PTE_SYNC(ptep);
#ifndef ARM_MMU_EXTENDED
