X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-frv%2Fcacheflush.h;h=02500405a6fb26317ad2def7ea098ed3e93a3e0f;hb=refs%2Fheads%2Fvserver;hp=3007deccb4904256521eda65a7defdc91c555f37;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git

diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h
index 3007deccb..02500405a 100644
--- a/include/asm-frv/cacheflush.h
+++ b/include/asm-frv/cacheflush.h
@@ -20,6 +20,7 @@
  */
 #define flush_cache_all()			do {} while(0)
 #define flush_cache_mm(mm)			do {} while(0)
+#define flush_cache_dup_mm(mm)			do {} while(0)
 #define flush_cache_range(mm, start, end)	do {} while(0)
 #define flush_cache_page(vma, vmaddr, pfn)	do {} while(0)
 #define flush_cache_vmap(start, end)		do {} while(0)
@@ -87,5 +88,17 @@ static inline void flush_icache_page(struct vm_area_struct *vma, struct page *pa
 	flush_icache_user_range(vma, page, page_to_phys(page), PAGE_SIZE);
 }
 
+/*
+ * permit ptrace to access another process's address space through the icache
+ * and the dcache
+ */
+#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\
+do {								\
+	memcpy((dst), (src), (len));				\
+	flush_icache_user_range((vma), (page), (vaddr), (len));	\
+} while(0)
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len)	\
+	memcpy((dst), (src), (len))
 
 #endif /* _ASM_CACHEFLUSH_H */