diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/cacheflush.h | 42 |
1 files changed, 10 insertions, 32 deletions
diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index e92191b390f3..e682c8e10e90 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -4,23 +4,9 @@ #ifndef _ASM_POWERPC_CACHEFLUSH_H #define _ASM_POWERPC_CACHEFLUSH_H -#ifdef __KERNEL__ - #include <linux/mm.h> #include <asm/cputable.h> -/* - * No cache flushing is required when address mappings are changed, - * because the caches on PowerPCs are physically addressed. - */ -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) -#define flush_icache_page(vma, page) do { } while (0) -#define flush_cache_vunmap(start, end) do { } while (0) - #ifdef CONFIG_PPC_BOOK3S_64 /* * Book3s has no ptesync after setting a pte, so without this ptesync it's @@ -33,20 +19,20 @@ static inline void flush_cache_vmap(unsigned long start, unsigned long end) { asm volatile("ptesync" ::: "memory"); } -#else -static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } -#endif +#define flush_cache_vmap flush_cache_vmap +#endif /* CONFIG_PPC_BOOK3S_64 */ #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *page); -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) void flush_icache_range(unsigned long start, unsigned long stop); -extern void flush_icache_user_range(struct vm_area_struct *vma, - struct page *page, unsigned long addr, - int len); -extern void flush_dcache_icache_page(struct page *page); +#define flush_icache_range flush_icache_range + +void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, + unsigned long addr, int len); +#define flush_icache_user_range flush_icache_user_range + +void flush_dcache_icache_page(struct page *page); void __flush_dcache_icache(void *page); /** @@ -111,14 +97,6 @@ static inline void invalidate_dcache_range(unsigned long start, mb(); /* sync */ } -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - memcpy(dst, src, len); \ - flush_icache_user_range(vma, page, vaddr, len); \ - } while (0) -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) - -#endif /* __KERNEL__ */ +#include <asm-generic/cacheflush.h> #endif /* _ASM_POWERPC_CACHEFLUSH_H */ |