Commit ab89866b authored by Al Viro's avatar Al Viro
Browse files

openrisc: switch to RAW_COPY_USER 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 6c36a4eb

arch/openrisc/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ config OPENRISC 
	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

arch/openrisc/include/asm/uaccess.h

+6 −22
Original line number Diff line number Diff line
@@ -236,34 +236,18 @@ do { \ 


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);