From acf2898b52f30400050f7206f0842f1c9c7cff1d Mon Sep 17 00:00:00 2001
From: rnoland <rnoland@FreeBSD.org>
Date: Sat, 29 Aug 2009 16:01:21 +0000
Subject: Swap the start/end virtual addresses in
 pmap_invalidate_cache_range().

This fixes the functionality on non SelfSnoop hardware.

Found by:	rnoland
Submitted by:	alc
Reviewed by:	kib
MFC after:	3 days
---
 sys/i386/i386/pmap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sys/i386')

diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index c6f1d5f..405cbd3 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -967,8 +967,8 @@ pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva)
 		 * coherence domain.
 		 */
 		mfence();
-		for (; eva < sva; eva += cpu_clflush_line_size)
-			clflush(eva);
+		for (; sva < eva; sva += cpu_clflush_line_size)
+			clflush(sva);
 		mfence();
 	} else {
 
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