Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2
3#ifndef __ASM_CSKY_SEGMENT_H
4#define __ASM_CSKY_SEGMENT_H
5
6typedef struct {
7 unsigned long seg;
8} mm_segment_t;
9
10#define KERNEL_DS ((mm_segment_t) { 0xFFFFFFFF })
11
12#define USER_DS ((mm_segment_t) { PAGE_OFFSET })
13#define get_fs() (current_thread_info()->addr_limit)
14#define set_fs(x) (current_thread_info()->addr_limit = (x))
15#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
16
17#endif /* __ASM_CSKY_SEGMENT_H */