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13#ifndef _ASM_THREAD_INFO_H
14#define _ASM_THREAD_INFO_H
15
16#ifdef __KERNEL__
17
18#ifndef __ASSEMBLY__
19#include <asm/processor.h>
20#endif
21
22#define THREAD_SIZE 8192
23
24#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
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31
32#ifndef __ASSEMBLY__
33
34struct thread_info {
35 struct task_struct *task;
36 struct exec_domain *exec_domain;
37 unsigned long flags;
38 unsigned long status;
39 __u32 cpu;
40 int preempt_count;
41
42 mm_segment_t addr_limit;
43
44
45
46 struct restart_block restart_block;
47
48 __u8 supervisor_stack[0];
49};
50
51#else
52
53#include <asm/asm-offsets.h>
54
55#endif
56
57#define PREEMPT_ACTIVE 0x10000000
58
59
60
61
62#ifndef __ASSEMBLY__
63
64#define INIT_THREAD_INFO(tsk) \
65{ \
66 .task = &tsk, \
67 .exec_domain = &default_exec_domain, \
68 .flags = 0, \
69 .cpu = 0, \
70 .preempt_count = INIT_PREEMPT_COUNT, \
71 .addr_limit = KERNEL_DS, \
72 .restart_block = { \
73 .fn = do_no_restart_syscall, \
74 }, \
75}
76
77#define init_thread_info (init_thread_union.thread_info)
78#define init_stack (init_thread_union.stack)
79
80
81register struct thread_info *__current_thread_info asm("gr15");
82
83#define current_thread_info() ({ __current_thread_info; })
84
85#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
86
87
88#ifdef CONFIG_DEBUG_STACK_USAGE
89#define alloc_thread_info_node(tsk, node) \
90 kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
91#else
92#define alloc_thread_info_node(tsk, node) \
93 kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
94#endif
95
96#define free_thread_info(info) kfree(info)
97
98#endif
99
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104
105
106#define TIF_SYSCALL_TRACE 0
107#define TIF_NOTIFY_RESUME 1
108#define TIF_SIGPENDING 2
109#define TIF_NEED_RESCHED 3
110#define TIF_SINGLESTEP 4
111#define TIF_RESTORE_SIGMASK 5
112#define TIF_POLLING_NRFLAG 16
113#define TIF_MEMDIE 17
114#define TIF_FREEZE 18
115
116#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
117#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
118#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
119#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
120#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
121#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
122#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
123#define _TIF_FREEZE (1 << TIF_FREEZE)
124
125#define _TIF_WORK_MASK 0x0000FFFE
126#define _TIF_ALLWORK_MASK 0x0000FFFF
127
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133
134
135#define TS_USEDFPM 0x0001
136
137#endif
138
139#endif
140