On Tuesday 09 June 2009, liqin.chen@xxxxxxxxxxxxx wrote:
> --- /dev/null
> +++ b/arch/score/include/asm/segment.h
> @@ -0,0 +1,21 @@
> +#ifndef _ASM_SCORE_SEGMENT_H
> +#define _ASM_SCORE_SEGMENT_H
> +
> +#ifndef __ASSEMBLY__
> +
> +typedef struct {
> + unsigned long seg;
> +} mm_segment_t;
> +
> +#define KERNEL_DS ((mm_segment_t){0})
> +#define USER_DS KERNEL_DS
> +
> +# define get_ds() (KERNEL_DS)
> +# define get_fs() (current_thread_info()->addr_limit)
> +# define set_fs(x) \
> + do { current_thread_info()->addr_limit = (x); } while (0)
> +
> +# define segment_eq(a, b) ((a).seg == (b).seg)
> +
> +# endif /* __ASSEMBLY__ */
> +#endif /* _ASM_SCORE_SEGMENT_H */
When I discussed these definitions with Michal Simek, we concluded
that they do not actually belong into segment.h. I added them to
asm-generic/uaccess.h, so if you can use that, you get them for free
and can have an empty segment.h file.
Arnd <><
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