Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-frv / cacheflush.h

diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h
index 3007dec..eaa5826 100644 (file)
--- a/include/asm-frv/cacheflush.h
+++ b/include/asm-frv/cacheflush.h
@@ -87,5 +87,17 @@ 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 */