microblaze: uaccess: Unify __copy_tofrom_user

Move to generic location.

Signed-off-by: Michal Simek <monstr@monstr.eu>

diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 34b79fe..b33ab65 100644 (file)
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -111,6 +111,9 @@ static inline int ___range_ok(unsigned long addr, unsigned long size)
 # define __EX_TABLE_SECTION    ".section .discard,\"a\"\n"
 #endif
 
+extern unsigned long __copy_tofrom_user(void __user *to,
+               const void __user *from, unsigned long size);
+
 /* Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail. */
 static inline unsigned long __must_check __clear_user(void __user *to,
                                                        unsigned long n)
@@ -322,23 +325,6 @@ static inline long strncpy_from_user(char *dst,
        return res;
 }
 
-static inline unsigned long __copy_tofrom_user(void __user *to,
-               const void __user *from, unsigned long size)
-{
-       memcpy(to, from, size);
-       return 0;
-}
-
-#define copy_to_user(to, from, n)      (memcpy((to), (from), (n)), 0)
-#define copy_from_user(to, from, n)    (memcpy((to), (from), (n)), 0)
-
-#define __copy_to_user(to, from, n)    (copy_to_user((to), (from), (n)))
-#define __copy_from_user(to, from, n)  (copy_from_user((to), (from), (n)))
-#define __copy_to_user_inatomic(to, from, n) \
-                       (__copy_to_user((to), (from), (n)))
-#define __copy_from_user_inatomic(to, from, n) \
-                       (__copy_from_user((to), (from), (n)))
-
 extern long strncpy_from_user(char *dst, const char *src, long count);
 extern long strnlen_user(const char *src, long count);
 
@@ -350,8 +336,24 @@ extern long strnlen_user(const char *src, long count);
                ? __put_user((x), (ptr)) : -EFAULT;                     \
 })
 
-extern unsigned long __copy_tofrom_user(void __user *to,
-               const void __user *from, unsigned long size);
+extern int __strncpy_user(char *to, const char __user *from, int len);
+
+#define __strncpy_from_user    __strncpy_user
+
+static inline long
+strncpy_from_user(char *dst, const char __user *src, long count)
+{
+       if (!access_ok(VERIFY_READ, src, 1))
+               return -EFAULT;
+       return __strncpy_from_user(dst, src, count);
+}
+
+extern int __strnlen_user(const char __user *sstr, int len);
+
+#define strnlen_user(str, len) \
+               (access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)
+
+#endif /* CONFIG_MMU */
 
 #define __copy_from_user(to, from, n)  \
        __copy_tofrom_user((__force void __user *)(to), \
@@ -384,25 +386,6 @@ static inline long copy_to_user(void __user *to,
                return n;
 }
 
-extern int __strncpy_user(char *to, const char __user *from, int len);
-
-#define __strncpy_from_user    __strncpy_user
-
-static inline long
-strncpy_from_user(char *dst, const char __user *src, long count)
-{
-       if (!access_ok(VERIFY_READ, src, 1))
-               return -EFAULT;
-       return __strncpy_from_user(dst, src, count);
-}
-
-extern int __strnlen_user(const char __user *sstr, int len);
-
-#define strnlen_user(str, len) \
-               (access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)
-
-#endif /* CONFIG_MMU */
-
 #endif  /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 

diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index 59322a2..4dfe47d 100644 (file)
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -10,4 +10,4 @@ else
 lib-y += memcpy.o memmove.o
 endif
 
-lib-$(CONFIG_MMU) += uaccess_old.o
+lib-y += uaccess_old.o