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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-22 13:08:32 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-28 18:23:50 -0400
commitde51d6cc2cf9daa9b5155faefb714f5b477cf160 (patch)
treef7ab7e25a42407a2473a8cd95f0ff7288c83a7b3 /arch/nios2/include/asm
parentnios2: switch to generic extable.h (diff)
downloadlinux-dev-de51d6cc2cf9daa9b5155faefb714f5b477cf160.tar.xz
linux-dev-de51d6cc2cf9daa9b5155faefb714f5b477cf160.zip
nios2: switch to RAW_COPY_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/nios2/include/asm')
-rw-r--r--arch/nios2/include/asm/uaccess.h31
1 files changed, 6 insertions, 25 deletions
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h
index ed06750a6c92..727bd9504899 100644
--- a/arch/nios2/include/asm/uaccess.h
+++ b/arch/nios2/include/asm/uaccess.h
@@ -73,36 +73,17 @@ static inline unsigned long __must_check clear_user(void __user *to,
return __clear_user(to, n);
}
-extern long __copy_from_user(void *to, const void __user *from,
- unsigned long n);
-extern long __copy_to_user(void __user *to, const void *from, unsigned long n);
-
-static inline long copy_from_user(void *to, const void __user *from,
- unsigned long n)
-{
- unsigned long res = n;
- if (access_ok(VERIFY_READ, from, n))
- res = __copy_from_user(to, from, n);
- if (unlikely(res))
- memset(to + (n - res), 0, res);
- return res;
-}
-
-static inline long copy_to_user(void __user *to, const void *from,
- unsigned long n)
-{
- if (!access_ok(VERIFY_WRITE, to, n))
- return n;
- return __copy_to_user(to, from, n);
-}
+extern unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n);
+extern unsigned long
+raw_copy_to_user(void __user *to, const void *from, unsigned long n);
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
extern long strncpy_from_user(char *__to, const char __user *__from,
long __len);
extern long strnlen_user(const char __user *s, long n);
-#define __copy_from_user_inatomic __copy_from_user
-#define __copy_to_user_inatomic __copy_to_user
-
/* Optimized macros */
#define __get_user_asm(val, insn, addr, err) \
{ \