summaryrefslogtreecommitdiffstats
path: root/include/asm-generic/uaccess.h
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2017-03-28 00:51:43 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-28 16:43:44 -0400
commit3fb50075284433093eba7c43e75b16eaa36eeabd (patch)
treeecb3e9670cbf3dec94b48ba1f8f604df774c9af1 /include/asm-generic/uaccess.h
parentdb68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 (diff)
downloadlinux-3fb50075284433093eba7c43e75b16eaa36eeabd.tar.bz2
asm-generic/uaccess.h: don't mess with __copy_{to,from}_user
only h8300 actually used those; might as well define them there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/asm-generic/uaccess.h')
-rw-r--r--include/asm-generic/uaccess.h63
1 files changed, 0 insertions, 63 deletions
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index 4b4f4a7f22c6..b048246a606b 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -48,69 +48,6 @@ static inline int __access_ok(unsigned long addr, unsigned long size)
#endif
/*
- * architectures with an MMU should override these two
- */
-#ifndef __copy_from_user
-static inline __must_check long __copy_from_user(void *to,
- const void __user * from, unsigned long n)
-{
- if (__builtin_constant_p(n)) {
- switch(n) {
- case 1:
- *(u8 *)to = *(u8 __force *)from;
- return 0;
- case 2:
- *(u16 *)to = *(u16 __force *)from;
- return 0;
- case 4:
- *(u32 *)to = *(u32 __force *)from;
- return 0;
-#ifdef CONFIG_64BIT
- case 8:
- *(u64 *)to = *(u64 __force *)from;
- return 0;
-#endif
- default:
- break;
- }
- }
-
- memcpy(to, (const void __force *)from, n);
- return 0;
-}
-#endif
-
-#ifndef __copy_to_user
-static inline __must_check long __copy_to_user(void __user *to,
- const void *from, unsigned long n)
-{
- if (__builtin_constant_p(n)) {
- switch(n) {
- case 1:
- *(u8 __force *)to = *(u8 *)from;
- return 0;
- case 2:
- *(u16 __force *)to = *(u16 *)from;
- return 0;
- case 4:
- *(u32 __force *)to = *(u32 *)from;
- return 0;
-#ifdef CONFIG_64BIT
- case 8:
- *(u64 __force *)to = *(u64 *)from;
- return 0;
-#endif
- default:
- break;
- }
- }
-
- memcpy((void __force *)to, from, n);
- return 0;
-}
-#endif
-
-/*
* These are the main single-value transfer routines. They automatically
* use the right size if we just have the right pointer type.
* This version just falls back to copy_{from,to}_user, which should