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