[linux-block.git] / arch / x86 / um / asm / segment.h

/* SPDX-License-Identifier: GPL-2.0 */
#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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef __UM_SEGMENT_H
	3	#define __UM_SEGMENT_H
	4
3feb8856 PBG	5	extern int host_gdt_entry_tls_min;
	6
	7	#define GDT_ENTRY_TLS_ENTRIES 3
	8	#define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
	9	#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
aa6758d4	10
f8d65d27 RW	11	typedef struct {
	12	unsigned long seg;
	13	} mm_segment_t;
	14
	15	#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
	16	#define KERNEL_DS MAKE_MM_SEG(~0UL)
	17	#define USER_DS MAKE_MM_SEG(TASK_SIZE)
	18
1da177e4	19	#endif