blob: 589e8321dc14212e25a4347424a9e432298030f6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CSKY_SEGMENT_H
#define __ASM_CSKY_SEGMENT_H
typedef struct {
unsigned long seg;
} mm_segment_t;
#define KERNEL_DS ((mm_segment_t) { 0xFFFFFFFF })
#define USER_DS ((mm_segment_t) { PAGE_OFFSET })
#define get_fs() (current_thread_info()->addr_limit)
#define set_fs(x) (current_thread_info()->addr_limit = (x))
#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
#endif /* __ASM_CSKY_SEGMENT_H */
|
