diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-07 10:08:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-07 10:08:33 -0800 |
| commit | d694c16bc332c7e706f44e3d10bea06228166a6f (patch) | |
| tree | 72d0ab61ce633002a1c4de2406101e28e101afa3 /arch/sh/mm/cache-sh4.c | |
| parent | d04f41e35343f1d788551fd3f753f51794f4afcf (diff) | |
| parent | ccd45ad405bcb1504bd923bd0487902374c942c8 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Kill off I/O cruft for R7780RP.
sh: Revert lazy dcache writeback changes.
sh: Enable SM501 support for RTS7751R2D.
sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.
sysctl: Support vdso_enabled sysctl on SH.
sh: Fix kernel thread stack corruption with preempt.
doc: Add SH to vdso and earlyprintk in kernel-parameters.txt
sh: Fix sigmask trampling in signal delivery.
sh: Clear UBC when not in use.
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 e0cd4b7f4ae..981b0408905 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; |