From f9bd71f255b4349c4f9f596863161fd5182f67fa Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 21 Aug 2009 16:20:57 +0900 Subject: sh: Kill off unused cpu/cacheflush.h. All CPU-specific overloads are done at runtime now, so this common header can go away and simply be folded back in to asm/ version. Signed-off-by: Paul Mundt --- arch/sh/include/asm/cacheflush.h | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) (limited to 'arch/sh/include/asm/cacheflush.h') diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h index 25b7f46494de..32299b7c2b48 100644 --- a/arch/sh/include/asm/cacheflush.h +++ b/arch/sh/include/asm/cacheflush.h @@ -4,7 +4,37 @@ #ifdef __KERNEL__ #include -#include + +/* + * Cache flushing: + * + * - flush_cache_all() flushes entire cache + * - flush_cache_mm(mm) flushes the specified mm context's cache lines + * - flush_cache_dup mm(mm) handles cache flushing when forking + * - flush_cache_page(mm, vmaddr, pfn) flushes a single page + * - flush_cache_range(vma, start, end) flushes a range of pages + * + * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache + * - flush_icache_range(start, end) flushes(invalidates) a range for icache + * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache + * - flush_cache_sigtramp(vaddr) flushes the signal trampoline + */ +extern void (*flush_cache_all)(void); +extern void (*flush_cache_mm)(struct mm_struct *mm); +extern void (*flush_cache_dup_mm)(struct mm_struct *mm); +extern void (*flush_cache_page)(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn); +extern void (*flush_cache_range)(struct vm_area_struct *vma, + unsigned long start, unsigned long end); +extern void (*flush_dcache_page)(struct page *page); +extern void (*flush_icache_range)(unsigned long start, unsigned long end); +extern void (*flush_icache_page)(struct vm_area_struct *vma, + struct page *page); +extern void (*flush_cache_sigtramp)(unsigned long address); + +extern void (*__flush_wback_region)(void *start, int size); +extern void (*__flush_purge_region)(void *start, int size); +extern void (*__flush_invalidate_region)(void *start, int size); #define ARCH_HAS_FLUSH_ANON_PAGE extern void __flush_anon_page(struct page *page, unsigned long); -- cgit v1.2.2