arch/x86/um/asm/segment.h

   1 #ifndef __UM_SEGMENT_H
   2 #define __UM_SEGMENT_H
   3
   4 extern int host_gdt_entry_tls_min;
   5
   6 #define GDT_ENTRY_TLS_ENTRIES 3
   7 #define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
   8 #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
   9
  10 typedef struct {
  11         unsigned long seg;
  12 } mm_segment_t;
  13
  14 #define MAKE_MM_SEG(s)  ((mm_segment_t) { (s) })
  15 #define KERNEL_DS       MAKE_MM_SEG(~0UL)
  16 #define USER_DS         MAKE_MM_SEG(TASK_SIZE)
  17
  18 #endif