m68k: switch to RAW_COPY_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index d140206..7d34575 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -22,6 +22,7 @@
select MODULES_USE_ELF_RELA
select OLD_SIGSUSPEND3
select OLD_SIGACTION
+ select ARCH_HAS_RAW_COPY_USER
config RWSEM_GENERIC_SPINLOCK
bool
diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h
index 931bbba..ef856ff 100644
--- a/arch/m68k/include/asm/uaccess_mm.h
+++ b/arch/m68k/include/asm/uaccess_mm.h
@@ -356,28 +356,23 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
return res;
}
-#define __copy_from_user(to, from, n) \
-(__builtin_constant_p(n) ? \
- __constant_copy_from_user(to, from, n) : \
- __generic_copy_from_user(to, from, n))
-
-#define __copy_to_user(to, from, n) \
-(__builtin_constant_p(n) ? \
- __constant_copy_to_user(to, from, n) : \
- __generic_copy_to_user(to, from, n))
-
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
+static inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+ if (__builtin_constant_p(n))
+ return __constant_copy_from_user(to, from, n);
+ return __generic_copy_from_user(to, from, n);
+}
static inline unsigned long
-copy_from_user(void *to, const void __user *from, unsigned long n)
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
- unsigned long res = __copy_from_user_inatomic(to, from, n);
- if (unlikely(res))
- memset(to + (n - res), 0, res);
- return res;
+ if (__builtin_constant_p(n))
+ return __constant_copy_to_user(to, from, n);
+ return __generic_copy_to_user(to, from, n);
}
-#define copy_to_user(to, from, n) __copy_to_user(to, from, n)
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
#define user_addr_max() \
(uaccess_kernel() ? ~0UL : TASK_SIZE)
diff --git a/arch/m68k/include/asm/uaccess_no.h b/arch/m68k/include/asm/uaccess_no.h
index 3f7f54d..e482c38 100644
--- a/arch/m68k/include/asm/uaccess_no.h
+++ b/arch/m68k/include/asm/uaccess_no.h
@@ -101,13 +101,21 @@ extern int __get_user_bad(void);
: "=d" (x) \
: "m" (*__ptr(ptr)))
-#define copy_from_user(to, from, n) (memcpy(to, from, n), 0)
-#define copy_to_user(to, from, n) (memcpy(to, from, n), 0)
+static inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+ memcpy(to, (__force const void *)from, n);
+ return 0;
+}
-#define __copy_from_user(to, from, n) copy_from_user(to, from, n)
-#define __copy_to_user(to, from, n) copy_to_user(to, from, n)
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
+static inline unsigned long
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+ memcpy((__force void *)to, from, n);
+ return 0;
+}
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
/*
* Copy a null terminated string from userspace.
