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Diffstat (limited to 'arch/x86/include/asm/cacheflush.h')
-rw-r--r--arch/x86/include/asm/cacheflush.h53
1 files changed, 36 insertions, 17 deletions
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 2f8466540fb5..5b301b7ff5f4 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -5,24 +5,43 @@
5#include <linux/mm.h> 5#include <linux/mm.h>
6 6
7/* Caches aren't brain-dead on the intel. */ 7/* Caches aren't brain-dead on the intel. */
8#define flush_cache_all() do { } while (0) 8static inline void flush_cache_all(void) { }
9#define flush_cache_mm(mm) do { } while (0) 9static inline void flush_cache_mm(struct mm_struct *mm) { }
10#define flush_cache_dup_mm(mm) do { } while (0) 10static inline void flush_cache_dup_mm(struct mm_struct *mm) { }
11#define flush_cache_range(vma, start, end) do { } while (0) 11static inline void flush_cache_range(struct vm_area_struct *vma,
12#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 12 unsigned long start, unsigned long end) { }
13#define flush_dcache_page(page) do { } while (0) 13static inline void flush_cache_page(struct vm_area_struct *vma,
14#define flush_dcache_mmap_lock(mapping) do { } while (0) 14 unsigned long vmaddr, unsigned long pfn) { }
15#define flush_dcache_mmap_unlock(mapping) do { } while (0) 15static inline void flush_dcache_page(struct page *page) { }
16#define flush_icache_range(start, end) do { } while (0) 16static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }
17#define flush_icache_page(vma, pg) do { } while (0) 17static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }
18#define flush_icache_user_range(vma, pg, adr, len) do { } while (0) 18static inline void flush_icache_range(unsigned long start,
19#define flush_cache_vmap(start, end) do { } while (0) 19 unsigned long end) { }
20#define flush_cache_vunmap(start, end) do { } while (0) 20static inline void flush_icache_page(struct vm_area_struct *vma,
21 struct page *page) { }
22static inline void flush_icache_user_range(struct vm_area_struct *vma,
23 struct page *page,
24 unsigned long addr,
25 unsigned long len) { }
26static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }
27static inline void flush_cache_vunmap(unsigned long start,
28 unsigned long end) { }
21 29
22#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 30static inline void copy_to_user_page(struct vm_area_struct *vma,
23 memcpy((dst), (src), (len)) 31 struct page *page, unsigned long vaddr,
24#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 32 void *dst, const void *src,
25 memcpy((dst), (src), (len)) 33 unsigned long len)
34{
35 memcpy(dst, src, len);
36}
37
38static inline void copy_from_user_page(struct vm_area_struct *vma,
39 struct page *page, unsigned long vaddr,
40 void *dst, const void *src,
41 unsigned long len)
42{
43 memcpy(dst, src, len);
44}
26 45
27#define PG_non_WB PG_arch_1 46#define PG_non_WB PG_arch_1
28PAGEFLAG(NonWB, non_WB) 47PAGEFLAG(NonWB, non_WB)