From 9a20ce403eaf69d822736c0eecae87b477fb5ecb Mon Sep 17 00:00:00 2001
From: Artur Grabowski <art@cvs.openbsd.org>
Date: Thu, 7 Jun 2007 15:31:10 +0000
Subject: roller-coaster. The bug that corrupts the page tables is back. So put
 back the flushg in pmap_release since at least it hides it and I can now
 reproduce.

---
 sys/arch/i386/i386/pmap.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'sys/arch')

diff --git a/sys/arch/i386/i386/pmap.c b/sys/arch/i386/i386/pmap.c
index 46955fb4776..b3f72727a33 100644
--- a/sys/arch/i386/i386/pmap.c
+++ b/sys/arch/i386/i386/pmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pmap.c,v 1.116 2007/05/31 22:30:25 art Exp $	*/
+/*	$OpenBSD: pmap.c,v 1.117 2007/06/07 15:31:09 art Exp $	*/
 /*	$NetBSD: pmap.c,v 1.91 2000/06/02 17:46:37 thorpej Exp $	*/
 
 /*
@@ -1531,6 +1531,11 @@ pmap_release(struct pmap *pmap)
 	LIST_REMOVE(pmap, pm_list);
 	simple_unlock(&pmaps_lock);
 
+	/*
+	 * Before we free the pmap just make sure it's not cached anywhere.
+	 */
+	tlbflushg();
+
 	/*
 	 * free any remaining PTPs
 	 */
-- 
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