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| author | Paul Mundt <lethal@linux-sh.org> | 2007-07-31 17:07:28 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-09-21 11:57:46 +0900 |
| commit | e7bd34a15b85655f24d1b45edbe3bdfebf9d027e (patch) | |
| tree | 051647273266582fe95dcc5cf008534c264be5ae /include/asm-sh/pgtable.h | |
| parent | ac919986d7dfc5d1d9f5585521307f222a8ebeaf (diff) | |
| download | linux-e7bd34a15b85655f24d1b45edbe3bdfebf9d027e.tar.gz linux-e7bd34a15b85655f24d1b45edbe3bdfebf9d027e.tar.bz2 linux-e7bd34a15b85655f24d1b45edbe3bdfebf9d027e.zip | |
sh: Support explicit L1 cache disabling.
This reworks the cache mode configuration in Kconfig, and allows for
explicit selection of write-back/write-through/off configurations.
All of the cache flushing routines are optimized away for the off
case.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/pgtable.h')
| -rw-r--r-- | include/asm-sh/pgtable.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h index e3fae12c0e49..54ad5037fe40 100644 --- a/include/asm-sh/pgtable.h +++ b/include/asm-sh/pgtable.h @@ -563,7 +563,8 @@ struct mm_struct; extern unsigned int kobjsize(const void *objp); #endif /* !CONFIG_MMU */ -#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB) +#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \ + defined(CONFIG_SH7705_CACHE_32KB)) #define __HAVE_ARCH_PTEP_GET_AND_CLEAR extern pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); #endif |