Re: [PATCH V3] asm-generic: add a generic uaccess.h

Arnd Bergmann
2009-05-04T10:32:31Z

On Monday 04 May 2009, Michal Simek wrote:
> #define MAKE_MM_SEG(s)  ((mm_segment_t) { (s) })
>
> #ifndef KERNEL_DS
> #define KERNEL_DS       MAKE_MM_SEG(~0UL)
> #endif
>
> #ifndef USER_DS
> #define USER_DS         MAKE_MM_SEG(TASK_SIZE - 1)
> #endif
>
>
> #ifndef get_fs
> #define get_ds() (KERNEL_DS)
> #define get_fs() (current_thread_info()->addr_limit)
>
> static inline void set_fs(mm_segment_t fs)
> {
>         current_thread_info()->addr_limit = fs;
> }
> #endif
>

yes, looks good. Thanks for the suggestion.