Date: Wed, 2 Sep 2009 16:47:10 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r196771 - in head/sys: amd64/amd64 i386/i386 Message-ID: <200909021647.n82GlAeA001794@svn.freebsd.org>
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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) |
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