Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-serial

[linux-2.6-omap-h63xx.git] / include / asm-sparc64 / cacheflush.h

diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h
index 86f02937ff1b75c88067cc9daf8291d877830ecb..745d1ab6037196863cd5c1d03be99f15a0588fa2 100644 (file)
--- a/include/asm-sparc64/cacheflush.h
+++ b/include/asm-sparc64/cacheflush.h
@@ -1,16 +1,8 @@
 #ifndef _SPARC64_CACHEFLUSH_H
 #define _SPARC64_CACHEFLUSH_H
 
-#include <linux/config.h>
 #include <asm/page.h>
 
-/* Flushing for D-cache alias handling is only needed if
- * the page size is smaller than 16K.
- */
-#if PAGE_SHIFT < 14
-#define DCACHE_ALIASING_POSSIBLE
-#endif
-
 #ifndef __ASSEMBLY__
 
 #include <linux/mm.h>
@@ -49,16 +41,22 @@ extern void flush_dcache_page(struct page *page);
 #define flush_icache_page(vma, pg)     do { } while(0)
 #define flush_icache_user_range(vma,pg,adr,len)        do { } while (0)
 
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                                    \
-               flush_cache_page(vma, vaddr, page_to_pfn(page));\
-               memcpy(dst, src, len);                          \
+extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
+                               unsigned long uaddr, void *kaddr,
+                               unsigned long len, int write);
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len)             \
+       do {                                                            \
+               flush_cache_page(vma, vaddr, page_to_pfn(page));        \
+               memcpy(dst, src, len);                                  \
+               flush_ptrace_access(vma, page, vaddr, src, len, 0);     \
        } while (0)
 
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                                    \
-               flush_cache_page(vma, vaddr, page_to_pfn(page));\
-               memcpy(dst, src, len);                          \
+#define copy_from_user_page(vma, page, vaddr, dst, src, len)           \
+       do {                                                            \
+               flush_cache_page(vma, vaddr, page_to_pfn(page));        \
+               memcpy(dst, src, len);                                  \
+               flush_ptrace_access(vma, page, vaddr, dst, len, 1);     \
        } while (0)
 
 #define flush_dcache_mmap_lock(mapping)                do { } while (0)
@@ -67,6 +65,11 @@ extern void flush_dcache_page(struct page *page);
 #define flush_cache_vmap(start, end)           do { } while (0)
 #define flush_cache_vunmap(start, end)         do { } while (0)
 
+#ifdef CONFIG_DEBUG_PAGEALLOC
+/* internal debugging function */
+void kernel_map_pages(struct page *page, int numpages, int enable);
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* _SPARC64_CACHEFLUSH_H */