blob: 44dcf7fc15eeaf0e9ee55d8ee4c84c0cc2325367 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Based on arm/arm64/include/asm/current.h
*
* Copyright (C) 2016 ARM
* Copyright (C) 2017 SiFive
*/
#ifndef __ASM_CURRENT_H
#define __ASM_CURRENT_H
#include <linux/bug.h>
#include <linux/compiler.h>
#ifndef __ASSEMBLY__
struct task_struct;
/*
* This only works because "struct thread_info" is at offset 0 from "struct
* task_struct". This constraint seems to be necessary on other architectures
* as well, but __switch_to enforces it. We can't check TASK_TI here because
* <asm/asm-offsets.h> includes this, and I can't get the definition of "struct
* task_struct" here due to some header ordering problems.
*/
static __always_inline struct task_struct *get_current(void)
{
register struct task_struct *tp __asm__("tp");
return tp;
}
#define current get_current()
#endif /* __ASSEMBLY__ */
#endif /* __ASM_CURRENT_H */
|
