x86: merge getuser.

Merge versions of getuser from uaccess_32.h and uaccess_64.h into
uaccess.h. There is a part which is 64-bit only (for now), and for
that, we use a __get_user_8 macro.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 29 deletions

diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 243dbb467f3a..4a44b906e4c3 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -14,35 +14,6 @@
 
 #define ARCH_HAS_SEARCH_EXTABLE
 
-/* Careful: we have to cast the result to the type of the pointer
- * for sign reasons */
-
-#define get_user(x, ptr)                                                \
-({                                                                      \
-        unsigned long __val_gu;                                         \
-        int __ret_gu;                                                   \
-        __chk_user_ptr(ptr);                                            \
-        switch (sizeof(*(ptr))) {                                       \
-        case 1:                                                         \
-                __get_user_x(1, __ret_gu, __val_gu, ptr);               \
-                break;                                                  \
-        case 2:                                                         \
-                __get_user_x(2, __ret_gu, __val_gu, ptr);               \
-                break;                                                  \
-        case 4:                                                         \
-                __get_user_x(4, __ret_gu, __val_gu, ptr);               \
-                break;                                                  \
-        case 8:                                                         \
-                __get_user_x(8, __ret_gu, __val_gu, ptr);               \
-                break;                                                  \
-        default:                                                        \
-                __get_user_bad();                                       \
-                break;                                                  \
-        }                                                               \
-        (x) = (__force typeof(*(ptr)))__val_gu;                         \
-        __ret_gu;                                                       \
-})
-
 extern void __put_user_1(void);
 extern void __put_user_2(void);
 extern void __put_user_4(void);