x86: Use asm-generic/cacheflush.h

The implementation of the cache flushing interfaces on the x86
is identical with the default implementation in asm-generic.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: arnd@arndb.de
LKML-Reference: <1295523136-4277-2-git-send-email-akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 63e35ec9075ca4ff6b813d946463655d905a5c60..62f084478f7e08448050cac33152f8f62bed8b72 100644 (file)
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -1,48 +1,8 @@
 #ifndef _ASM_X86_CACHEFLUSH_H
 #define _ASM_X86_CACHEFLUSH_H
 
-/* Keep includes the same across arches.  */
-#include <linux/mm.h>
-
 /* Caches aren't brain-dead on the intel. */
-static inline void flush_cache_all(void) { }
-static inline void flush_cache_mm(struct mm_struct *mm) { }
-static inline void flush_cache_dup_mm(struct mm_struct *mm) { }
-static inline void flush_cache_range(struct vm_area_struct *vma,
-                                    unsigned long start, unsigned long end) { }
-static inline void flush_cache_page(struct vm_area_struct *vma,
-                                   unsigned long vmaddr, unsigned long pfn) { }
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-static inline void flush_dcache_page(struct page *page) { }
-static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }
-static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }
-static inline void flush_icache_range(unsigned long start,
-                                     unsigned long end) { }
-static inline void flush_icache_page(struct vm_area_struct *vma,
-                                    struct page *page) { }
-static inline void flush_icache_user_range(struct vm_area_struct *vma,
-                                          struct page *page,
-                                          unsigned long addr,
-                                          unsigned long len) { }
-static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }
-static inline void flush_cache_vunmap(unsigned long start,
-                                     unsigned long end) { }
-
-static inline void copy_to_user_page(struct vm_area_struct *vma,
-                                    struct page *page, unsigned long vaddr,
-                                    void *dst, const void *src,
-                                    unsigned long len)
-{
-       memcpy(dst, src, len);
-}
-
-static inline void copy_from_user_page(struct vm_area_struct *vma,
-                                      struct page *page, unsigned long vaddr,
-                                      void *dst, const void *src,
-                                      unsigned long len)
-{
-       memcpy(dst, src, len);
-}
+#include <asm-generic/cacheflush.h>
 
 #ifdef CONFIG_X86_PAT
 /*