Commit cc67ba63 authored by Akinobu Mita's avatar Akinobu Mita Committed by Ingo Molnar

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: default avatarAkinobu 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: default avatarIngo Molnar <mingo@elte.hu>
parent fb87ec38
#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
/*
......
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