AcoSail/kernel_optimize_test
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cris: rename __copy_user_zeroing to __copy_user_in

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... now that it doesn't zero anymore

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-03-19 15:28:30 -04:00
parent de09be340d
commit b71f1bf57f
3 changed files with 10 additions and 12 deletions
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7
arch/cris/arch-v10/lib/usercopy.c
View File

@ -188,11 +188,10 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn)
}
EXPORT_SYMBOL(__copy_user);
/* Copy from user to kernel, zeroing the bytes that were inaccessible in
userland. The return-value is the number of bytes that were
/* Copy from user to kernel. The return-value is the number of bytes that were
inaccessible. */
unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
unsigned long __copy_user_in(void *pdst, const void __user *psrc,
unsigned long pn)
{
/* We want the parameters put in special registers.
@ -357,7 +356,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
exception:
return retn + n;
}
EXPORT_SYMBOL(__copy_user_zeroing);
EXPORT_SYMBOL(__copy_user_in);
/* Zero userspace. */
unsigned long __do_clear_user(void __user *pto, unsigned long pn)

7
arch/cris/arch-v32/lib/usercopy.c
View File

@ -156,10 +156,9 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn)
}
EXPORT_SYMBOL(__copy_user);
/* Copy from user to kernel, zeroing the bytes that were inaccessible in
userland. The return-value is the number of bytes that were
/* Copy from user to kernel. The return-value is the number of bytes that were
inaccessible. */
unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
unsigned long __copy_user_in(void *pdst, const void __user *psrc,
unsigned long pn)
{
/* We want the parameters put in special registers.
@ -309,7 +308,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
exception:
return retn + n;
}
EXPORT_SYMBOL(__copy_user_zeroing);
EXPORT_SYMBOL(__copy_user_in);
/* Zero userspace. */
unsigned long __do_clear_user(void __user *pto, unsigned long pn)

8
arch/cris/include/asm/uaccess.h
View File

@ -169,7 +169,7 @@ extern long __get_user_bad(void);
live in lib/usercopy.c */
extern unsigned long __copy_user(void __user *to, const void *from, unsigned long n);
extern unsigned long __copy_user_zeroing(void *to, const void __user *from, unsigned long n);
extern unsigned long __copy_user_in(void *to, const void __user *from, unsigned long n);
extern unsigned long __do_clear_user(void __user *to, unsigned long n);
static inline long
@ -236,7 +236,7 @@ __constant_copy_from_user(void *to, const void __user *from, unsigned long n)
else if (n == 24)
__asm_copy_from_user_24(to, from, ret);
else
ret = __copy_user_zeroing(to, from, n);
ret = __copy_user_in(to, from, n);
return ret;
}
@ -343,7 +343,7 @@ static inline size_t copy_from_user(void *to, const void __user *from, size_t n)
if (__builtin_constant_p(n))
res = __constant_copy_from_user(to, from, n);
else
res = __copy_user_zeroing(to, from, n);
res = __copy_user_in(to, from, n);
}
if (unlikely(res))
memset(to + n - res , 0, res);
@ -368,7 +368,7 @@ static inline unsigned long
__generic_copy_from_user_nocheck(void *to, const void __user *from,
unsigned long n)
{
return __copy_user_zeroing(to, from, n);
return __copy_user_in(to, from, n);
}
static inline unsigned long