diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-21 14:43:13 -0400 | 
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-28 18:23:59 -0400 | 
| commit | f98f48ee7cd473a077f8500dbf3d0a1f9af73003 (patch) | |
| tree | ad5aaf12a012e38e869e49b93e3d1f50c062af4b /arch/sh | |
| parent | bcd541d9a2f43fbf08d2e909fb8247bed3dac750 (diff) | |
sh: switch to RAW_COPY_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sh/include/asm/uaccess.h | 36 | 
2 files changed, 5 insertions, 32 deletions
| diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index ee086958b2b2..c689645eb8b7 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -48,6 +48,7 @@ config SUPERH  	select HAVE_ARCH_AUDITSYSCALL  	select HAVE_FUTEX_CMPXCHG if FUTEX  	select HAVE_NMI +	select ARCH_HAS_RAW_COPY_USER  	help  	  The SuperH is a RISC processor targeted for use in embedded systems  	  and consumer electronics; it was also used in the Sega Dreamcast diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index 5cb0c5484efb..2722b61b2283 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -108,19 +108,18 @@ extern __must_check long strnlen_user(const char __user *str, long n);  __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);  static __always_inline unsigned long -__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)  {  	return __copy_user(to, (__force void *)from, n);  }  static __always_inline unsigned long __must_check -__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)  {  	return __copy_user((__force void *)to, from, n);  } - -#define __copy_to_user_inatomic __copy_to_user -#define __copy_from_user_inatomic __copy_from_user +#define INLINE_COPY_FROM_USER +#define INLINE_COPY_TO_USER  /*   * Clear the area and return remaining number of bytes @@ -140,33 +139,6 @@ __kernel_size_t __clear_user(void *addr, __kernel_size_t size);  	__cl_size;							\  }) -static inline unsigned long -copy_from_user(void *to, const void __user *from, unsigned long n) -{ -	unsigned long __copy_from = (unsigned long) from; -	__kernel_size_t __copy_size = (__kernel_size_t) n; - -	if (__copy_size && __access_ok(__copy_from, __copy_size)) -		__copy_size = __copy_user(to, from, __copy_size); - -	if (unlikely(__copy_size)) -		memset(to + (n - __copy_size), 0, __copy_size); - -	return __copy_size; -} - -static inline unsigned long -copy_to_user(void __user *to, const void *from, unsigned long n) -{ -	unsigned long __copy_to = (unsigned long) to; -	__kernel_size_t __copy_size = (__kernel_size_t) n; - -	if (__copy_size && __access_ok(__copy_to, __copy_size)) -		return __copy_user(to, from, __copy_size); - -	return __copy_size; -} -  extern void *set_exception_table_vec(unsigned int vec, void *handler);  static inline void *set_exception_table_evt(unsigned int evt, void *handler) | 
