hc
2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a
kernel/arch/ia64/include/asm/cacheflush.h
....@@ -12,44 +12,22 @@
1212
1313 #include <asm/page.h>
1414
15
-/*
16
- * Cache flushing routines. This is the kind of stuff that can be very expensive, so try
17
- * to avoid them whenever possible.
18
- */
19
-
20
-#define flush_cache_all() do { } while (0)
21
-#define flush_cache_mm(mm) do { } while (0)
22
-#define flush_cache_dup_mm(mm) do { } while (0)
23
-#define flush_cache_range(vma, start, end) do { } while (0)
24
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
25
-#define flush_icache_page(vma,page) do { } while (0)
26
-#define flush_cache_vmap(start, end) do { } while (0)
27
-#define flush_cache_vunmap(start, end) do { } while (0)
28
-
2915 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
3016 #define flush_dcache_page(page) \
3117 do { \
3218 clear_bit(PG_arch_1, &(page)->flags); \
3319 } while (0)
3420
35
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
36
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
37
-
38
-extern void flush_icache_range (unsigned long start, unsigned long end);
21
+extern void flush_icache_range(unsigned long start, unsigned long end);
22
+#define flush_icache_range flush_icache_range
3923 extern void clflush_cache_range(void *addr, int size);
4024
41
-
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-#define flush_icache_user_range(vma, page, user_addr, len) \
25
+#define flush_icache_user_page(vma, page, user_addr, len) \
4326 do { \
4427 unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK); \
4528 flush_icache_range(_addr, _addr + (len)); \
4629 } while (0)
4730
48
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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-do { memcpy(dst, src, len); \
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- flush_icache_user_range(vma, page, vaddr, len); \
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-} while (0)
52
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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- memcpy(dst, src, len)
31
+#include <asm-generic/cacheflush.h>
5432
5533 #endif /* _ASM_IA64_CACHEFLUSH_H */