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| author | Paul Mundt <lethal@linux-sh.org> | 2007-03-05 19:46:47 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-03-05 19:46:47 +0900 |
| commit | 39e688a94b94eaba768b1494e19e96f828fc2688 (patch) | |
| tree | 706ce255a95d0705241beafb8354fb7253a24af4 /arch/sh/mm/cache-sh4.c | |
| parent | c87a7111349891043cb0a62b0ba745264d4b600a (diff) | |
| download | linux-39e688a94b94eaba768b1494e19e96f828fc2688.tar.bz2 | |
sh: Revert lazy dcache writeback changes.
These ended up causing too many problems on older parts,
revert for now..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
| -rw-r--r-- | arch/sh/mm/cache-sh4.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index e0cd4b7f4aeb..981b04089055 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -237,20 +237,10 @@ static inline void flush_cache_4096(unsigned long start, /* * Write back & invalidate the D-cache of the page. * (To avoid "alias" issues) - * - * This uses a lazy write-back on UP, which is explicitly - * disabled on SMP. */ void flush_dcache_page(struct page *page) { -#ifndef CONFIG_SMP - struct address_space *mapping = page_mapping(page); - - if (mapping && !mapping_mapped(mapping)) - set_bit(PG_dcache_dirty, &page->flags); - else -#endif - { + if (test_bit(PG_mapped, &page->flags)) { unsigned long phys = PHYSADDR(page_address(page)); unsigned long addr = CACHE_OC_ADDRESS_ARRAY; int i, n; |