openrisc: switch to RAW_COPY_USER

	select OR1K_PIC

	select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1

	select NO_BOOTMEM

	select ARCH_HAS_RAW_COPY_USER

config MMU

	def_bool y

extern unsigned long __must_check

__copy_tofrom_user(void *to, const void *from, unsigned long size);

#define __copy_from_user(to, from, size) \

	__copy_tofrom_user(to, from, size)

#define __copy_to_user(to, from, size) \

	__copy_tofrom_user(to, from, size)

#define __copy_to_user_inatomic __copy_to_user

#define __copy_from_user_inatomic __copy_from_user

static inline unsigned long

copy_from_user(void *to, const void *from, unsigned long n)

raw_copy_from_user(void *to, const void __user *from, unsigned long size)

{

	unsigned long res = n;

	if (likely(access_ok(VERIFY_READ, from, n)))

		res = __copy_tofrom_user(to, from, n);

	if (unlikely(res))

		memset(to + (n - res), 0, res);

	return res;

	return __copy_tofrom_user(to, (__force const void *)from, size);

}

static inline unsigned long

copy_to_user(void *to, const void *from, unsigned long n)

raw_copy_to_user(void *to, const void __user *from, unsigned long size)

{

	if (likely(access_ok(VERIFY_WRITE, to, n)))

		n = __copy_tofrom_user(to, from, n);

	return n;

	return __copy_tofrom_user((__force void *)to, from, size);

}

#define INLINE_COPY_FROM_USER

#define INLINE_COPY_TO_USER

extern unsigned long __clear_user(void *addr, unsigned long size);