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Commit e13909a4 authored by Vineet Gupta's avatar Vineet Gupta Committed by Al Viro
Browse files

ARC: uaccess: enable INLINE_COPY_{TO,FROM}_USER ... 



... and switch to generic out of line version in lib/usercopy.c

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 839cc295

arch/arc/include/asm/uaccess.h

+6 −10
Original line number Diff line number Diff line
@@ -168,7 +168,7 @@ 




static inline unsigned long

__arc_copy_from_user(void *to, const void __user *from, unsigned long n)

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

{

	long res = 0;

	char val;
@@ -395,7 +395,7 @@ __arc_copy_from_user(void *to, const void __user *from, unsigned long n) 
}



static inline unsigned long

__arc_copy_to_user(void __user *to, const void *from, unsigned long n)

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

{

	long res = 0;

	char val;
@@ -721,24 +721,20 @@ static inline long __arc_strnlen_user(const char __user *s, long n) 
}



#ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE

#define raw_copy_from_user		__arc_copy_from_user

#define raw_copy_to_user		__arc_copy_to_user



#define INLINE_COPY_TO_USER

#define INLINE_COPY_FROM_USER



#define __clear_user(d, n)		__arc_clear_user(d, n)

#define __strncpy_from_user(d, s, n)	__arc_strncpy_from_user(d, s, n)

#define __strnlen_user(s, n)		__arc_strnlen_user(s, n)

#else

extern long arc_copy_from_user_noinline(void *to, const void __user * from,

		unsigned long n);

extern long arc_copy_to_user_noinline(void __user *to, const void *from,

		unsigned long n);

extern unsigned long arc_clear_user_noinline(void __user *to,

		unsigned long n);

extern long arc_strncpy_from_user_noinline (char *dst, const char __user *src,

		long count);

extern long arc_strnlen_user_noinline(const char __user *src, long n);



#define raw_copy_from_user		arc_copy_from_user_noinline

#define raw_copy_to_user		arc_copy_to_user_noinline

#define __clear_user(d, n)		arc_clear_user_noinline(d, n)

#define __strncpy_from_user(d, s, n)	arc_strncpy_from_user_noinline(d, s, n)

#define __strnlen_user(s, n)		arc_strnlen_user_noinline(s, n)

arch/arc/mm/extable.c

+0 −14
Original line number Diff line number Diff line
@@ -28,20 +28,6 @@ int fixup_exception(struct pt_regs *regs) 


#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE



long arc_copy_from_user_noinline(void *to, const void __user *from,

		unsigned long n)

{

	return __arc_copy_from_user(to, from, n);

}

EXPORT_SYMBOL(arc_copy_from_user_noinline);



long arc_copy_to_user_noinline(void __user *to, const void *from,

		unsigned long n)

{

	return __arc_copy_to_user(to, from, n);

}

EXPORT_SYMBOL(arc_copy_to_user_noinline);



unsigned long arc_clear_user_noinline(void __user *to,

		unsigned long n)

{