frv: switch to RAW_COPY_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index eefd9a4..e489fef 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -16,6 +16,7 @@
select OLD_SIGACTION
select HAVE_DEBUG_STACKOVERFLOW
select ARCH_NO_COHERENT_DMA_MMAP
+ select ARCH_HAS_RAW_COPY_USER
config ZONE_DMA
bool
diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 5bcc57d..e4e33b4 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -233,23 +233,44 @@ do { \
/*
*
*/
+
#define ____force(x) (__force void *)(void __user *)(x)
#ifdef CONFIG_MMU
extern long __memset_user(void *dst, unsigned long count);
extern long __memcpy_user(void *dst, const void *src, unsigned long count);
#define __clear_user(dst,count) __memset_user(____force(dst), (count))
-#define __copy_from_user_inatomic(to, from, n) __memcpy_user((to), ____force(from), (n))
-#define __copy_to_user_inatomic(to, from, n) __memcpy_user(____force(to), (from), (n))
#else
#define __clear_user(dst,count) (memset(____force(dst), 0, (count)), 0)
-#define __copy_from_user_inatomic(to, from, n) (memcpy((to), ____force(from), (n)), 0)
-#define __copy_to_user_inatomic(to, from, n) (memcpy(____force(to), (from), (n)), 0)
#endif
+static inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+#ifdef CONFIG_MMU
+ return __memcpy_user(to, (__force const void *)from, n);
+#else
+ memcpy(to, (__force const void *)from, n);
+ return 0;
+#endif
+}
+
+static inline unsigned long
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+#ifdef CONFIG_MMU
+ return __memcpy_user((__force void *)to, from, n);
+#else
+ memcpy((__force void *)to, from, n);
+ return 0;
+#endif
+}
+#define INLINE_COPY_TO_USER
+#define INLINE_COPY_FROM_USER
+
static inline unsigned long __must_check
clear_user(void __user *to, unsigned long n)
{
@@ -258,38 +279,6 @@ clear_user(void __user *to, unsigned long n)
return n;
}
-static inline unsigned long __must_check
-__copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- might_fault();
- return __copy_to_user_inatomic(to, from, n);
-}
-
-static inline unsigned long
-__copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- might_fault();
- return __copy_from_user_inatomic(to, from, n);
-}
-
-static inline long copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- unsigned long ret = n;
-
- if (likely(__access_ok(from, n)))
- ret = __copy_from_user(to, from, n);
-
- if (unlikely(ret != 0))
- memset(to + (n - ret), 0, ret);
-
- return ret;
-}
-
-static inline long copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- return likely(__access_ok(to, n)) ? __copy_to_user(to, from, n) : n;
-}
-
extern long strncpy_from_user(char *dst, const char __user *src, long count);
extern long strnlen_user(const char __user *src, long count);