From owner-p4-projects@FreeBSD.ORG  Tue Nov  4 22:15:37 2008
Return-Path: <owner-p4-projects@FreeBSD.ORG>
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id 0806E106568A; Tue,  4 Nov 2008 22:15:37 +0000 (UTC)
Delivered-To: perforce@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id BFE401065674
	for <perforce@FreeBSD.org>; Tue,  4 Nov 2008 22:15:36 +0000 (UTC)
	(envelope-from gonzo@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org
	[IPv6:2001:4f8:fff6::29])
	by mx1.freebsd.org (Postfix) with ESMTP id AF6738FC14
	for <perforce@FreeBSD.org>; Tue,  4 Nov 2008 22:15:36 +0000 (UTC)
	(envelope-from gonzo@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id mA4MFaQk074651
	for <perforce@FreeBSD.org>; Tue, 4 Nov 2008 22:15:36 GMT
	(envelope-from gonzo@FreeBSD.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.14.3/8.14.3/Submit) id mA4MFaCn074649
	for perforce@freebsd.org; Tue, 4 Nov 2008 22:15:36 GMT
	(envelope-from gonzo@FreeBSD.org)
Date: Tue, 4 Nov 2008 22:15:36 GMT
Message-Id: <200811042215.mA4MFaCn074649@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	gonzo@FreeBSD.org using -f
From: Oleksandr Tymoshenko <gonzo@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
Cc: 
Subject: PERFORCE change 152493 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 04 Nov 2008 22:15:37 -0000

http://perforce.freebsd.org/chv.cgi?CH=152493

Change 152493 by gonzo@gonzo_jeeves on 2008/11/04 22:15:30

	o When zeroing memory area use uncached region in KSEG1 and 
	    then invalidate all chache entries for this area.

Affected files ...

.. //depot/projects/mips2/src/sys/mips/mips/pmap.c#37 edit

Differences ...

==== //depot/projects/mips2/src/sys/mips/mips/pmap.c#37 (text+ko) ====

@@ -2178,9 +2178,10 @@
 #endif
 	if (phys < MIPS_KSEG0_LARGEST_PHYS) {
 
-		va = MIPS_PHYS_TO_CACHED(phys);
+		va = MIPS_PHYS_TO_UNCACHED(phys);
 
 		bzero((caddr_t)va, PAGE_SIZE);
+		mips_dcache_wbinv_range(va, PAGE_SIZE);
 	} else {
 		int cpu;
 		struct local_sysmaps *sysm;
@@ -2233,8 +2234,9 @@
 	} else
 #endif
 	if (phys < MIPS_KSEG0_LARGEST_PHYS) {
-		va = MIPS_PHYS_TO_CACHED(phys);
+		va = MIPS_PHYS_TO_UNCACHED(phys);
 		bzero((char *)(caddr_t)va + off, size);
+		mips_dcache_wbinv_range(va + off, size);
 	} else {
 		int cpu;
 		struct local_sysmaps *sysm;
@@ -2271,8 +2273,9 @@
 	} else
 #endif
 	if (phys < MIPS_KSEG0_LARGEST_PHYS) {
-		va = MIPS_PHYS_TO_CACHED(phys);
+		va = MIPS_PHYS_TO_UNCACHED(phys);
 		bzero((caddr_t)va, PAGE_SIZE);
+		mips_dcache_wbinv_range(va, PAGE_SIZE);
 	} else {
 		int cpu;
 		struct local_sysmaps *sysm;