svn commit: r196771 - in head/sys: amd64/amd64 i386/i386

[Jung-uk Kim]

Author: jkim
Date: Wed Sep  2 16:47:10 2009
New Revision: 196771
URL: http://svn.freebsd.org/changeset/base/196771

Log:
  Fix confusing comments about default PAT entries.

Modified:
  head/sys/amd64/amd64/pmap.c
  head/sys/i386/i386/pmap.c

Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c	Wed Sep  2 16:35:57 2009	(r196770)
+++ head/sys/amd64/amd64/pmap.c	Wed Sep  2 16:47:10 2009	(r196771)
@@ -628,9 +628,9 @@ pmap_init_pat(void)
 
 	if (pat_works) {
 		/*
-		 * Leave the indices 0-3 at the default of WB, WT, UC, and UC-.
+		 * Leave the indices 0-3 at the default of WB, WT, UC-, and UC.
 		 * Program 4 and 5 as WP and WC.
-		 * Leave 6 and 7 as UC and UC-.
+		 * Leave 6 and 7 as UC- and UC.
 		 */
 		pat_msr &= ~(PAT_MASK(4) | PAT_MASK(5));
 		pat_msr |= PAT_VALUE(4, PAT_WRITE_PROTECTED) |

Modified: head/sys/i386/i386/pmap.c
==============================================================================
--- head/sys/i386/i386/pmap.c	Wed Sep  2 16:35:57 2009	(r196770)
+++ head/sys/i386/i386/pmap.c	Wed Sep  2 16:47:10 2009	(r196771)
@@ -528,9 +528,9 @@ pmap_init_pat(void)
 
 	if (pat_works) {
 		/*
-		 * Leave the indices 0-3 at the default of WB, WT, UC, and UC-.
+		 * Leave the indices 0-3 at the default of WB, WT, UC-, and UC.
 		 * Program 4 and 5 as WP and WC.
-		 * Leave 6 and 7 as UC and UC-.
+		 * Leave 6 and 7 as UC- and UC.
 		 */
 		pat_msr &= ~(PAT_MASK(4) | PAT_MASK(5));
 		pat_msr |= PAT_VALUE(4, PAT_WRITE_PROTECTED) |