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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 */
5
6#ifndef __UM_THREAD_INFO_H
7#define __UM_THREAD_INFO_H
8
9#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
10#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)
11
12#ifndef __ASSEMBLER__
13
14#include <asm/types.h>
15#include <asm/page.h>
16#include <asm/segment.h>
17#include <sysdep/ptrace_user.h>
18
19struct thread_info {
20 unsigned long flags; /* low level flags */
21 __u32 cpu; /* current CPU */
22 int preempt_count; /* 0 => preemptable,
23 <0 => BUG */
24};
25
26#define INIT_THREAD_INFO(tsk) \
27{ \
28 .flags = 0, \
29 .cpu = 0, \
30 .preempt_count = INIT_PREEMPT_COUNT, \
31}
32
33#endif
34
35#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
36#define TIF_SIGPENDING 1 /* signal pending */
37#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
38#define TIF_NOTIFY_SIGNAL 3 /* signal notifications exist */
39#define TIF_RESTART_BLOCK 4
40#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
41#define TIF_SYSCALL_AUDIT 6
42#define TIF_RESTORE_SIGMASK 7
43#define TIF_NOTIFY_RESUME 8
44#define TIF_SECCOMP 9 /* secure computing */
45#define TIF_SINGLESTEP 10 /* single stepping userspace */
46#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
47
48
49#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
50#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
51#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
52#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
53#define _TIF_MEMDIE (1 << TIF_MEMDIE)
54#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
55#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
56#define _TIF_SECCOMP (1 << TIF_SECCOMP)
57#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
58
59#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL | \
60 _TIF_NOTIFY_RESUME)
61
62#endif