Date: Sun, 9 Apr 2006 20:02:50 GMT From: Olivier Houchard <cognet@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 94864 for review Message-ID: <200604092002.k39K2oub021798@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=94864 Change 94864 by cognet@cognet on 2006/04/09 20:01:58 Don't write-back the PTEs, if they are mapped write-through for arm9. This was apparently needed only because skyeye has bugs in its cache emulation. Affected files ... .. //depot/projects/arm/src/sys/arm/include/pmap.h#6 edit Differences ... ==== //depot/projects/arm/src/sys/arm/include/pmap.h#6 (text+ko) ==== @@ -336,13 +336,8 @@ #define PMAP_NEEDS_PTE_SYNC 1 #define PMAP_INCLUDE_PTE_SYNC #elif (ARM_MMU_SA1 == 0) -#if defined(CPU_ARM9) && !defined(ARM9_CACHE_WRITE_THROUGH) -#define PMAP_NEEDS_PTE_SYNC 1 -#define PMAP_INCLUDE_PTE_SYNC -#else #define PMAP_NEEDS_PTE_SYNC 0 #endif -#endif /* * These macros return various bits based on kernel/user and protection.
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