mirror of https://gitee.com/openkylin/linux.git
19 lines
425 B
C
19 lines
425 B
C
#ifndef __UM_SEGMENT_H
|
|
#define __UM_SEGMENT_H
|
|
|
|
extern int host_gdt_entry_tls_min;
|
|
|
|
#define GDT_ENTRY_TLS_ENTRIES 3
|
|
#define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
|
|
#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
|
|
|
|
typedef struct {
|
|
unsigned long seg;
|
|
} mm_segment_t;
|
|
|
|
#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
|
|
#define KERNEL_DS MAKE_MM_SEG(~0UL)
|
|
#define USER_DS MAKE_MM_SEG(TASK_SIZE)
|
|
|
|
#endif
|