diff options
Diffstat (limited to 'include/asm-s390/thread_info.h')
-rw-r--r-- | include/asm-s390/thread_info.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/include/asm-s390/thread_info.h b/include/asm-s390/thread_info.h deleted file mode 100644 index 91a8f93ad355..000000000000 --- a/include/asm-s390/thread_info.h +++ /dev/null | |||
@@ -1,118 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-s390/thread_info.h | ||
3 | * | ||
4 | * S390 version | ||
5 | * Copyright (C) IBM Corp. 2002,2006 | ||
6 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) | ||
7 | */ | ||
8 | |||
9 | #ifndef _ASM_THREAD_INFO_H | ||
10 | #define _ASM_THREAD_INFO_H | ||
11 | |||
12 | #ifdef __KERNEL__ | ||
13 | |||
14 | /* | ||
15 | * Size of kernel stack for each process | ||
16 | */ | ||
17 | #ifndef __s390x__ | ||
18 | #ifndef __SMALL_STACK | ||
19 | #define THREAD_ORDER 1 | ||
20 | #define ASYNC_ORDER 1 | ||
21 | #else | ||
22 | #define THREAD_ORDER 0 | ||
23 | #define ASYNC_ORDER 0 | ||
24 | #endif | ||
25 | #else /* __s390x__ */ | ||
26 | #ifndef __SMALL_STACK | ||
27 | #define THREAD_ORDER 2 | ||
28 | #define ASYNC_ORDER 2 | ||
29 | #else | ||
30 | #define THREAD_ORDER 1 | ||
31 | #define ASYNC_ORDER 1 | ||
32 | #endif | ||
33 | #endif /* __s390x__ */ | ||
34 | |||
35 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
36 | #define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER) | ||
37 | |||
38 | #ifndef __ASSEMBLY__ | ||
39 | #include <asm/processor.h> | ||
40 | #include <asm/lowcore.h> | ||
41 | |||
42 | /* | ||
43 | * low level task data that entry.S needs immediate access to | ||
44 | * - this struct should fit entirely inside of one cache line | ||
45 | * - this struct shares the supervisor stack pages | ||
46 | * - if the contents of this structure are changed, the assembly constants must also be changed | ||
47 | */ | ||
48 | struct thread_info { | ||
49 | struct task_struct *task; /* main task structure */ | ||
50 | struct exec_domain *exec_domain; /* execution domain */ | ||
51 | unsigned long flags; /* low level flags */ | ||
52 | unsigned int cpu; /* current CPU */ | ||
53 | int preempt_count; /* 0 => preemptable, <0 => BUG */ | ||
54 | struct restart_block restart_block; | ||
55 | }; | ||
56 | |||
57 | /* | ||
58 | * macros/functions for gaining access to the thread information structure | ||
59 | */ | ||
60 | #define INIT_THREAD_INFO(tsk) \ | ||
61 | { \ | ||
62 | .task = &tsk, \ | ||
63 | .exec_domain = &default_exec_domain, \ | ||
64 | .flags = 0, \ | ||
65 | .cpu = 0, \ | ||
66 | .preempt_count = 1, \ | ||
67 | .restart_block = { \ | ||
68 | .fn = do_no_restart_syscall, \ | ||
69 | }, \ | ||
70 | } | ||
71 | |||
72 | #define init_thread_info (init_thread_union.thread_info) | ||
73 | #define init_stack (init_thread_union.stack) | ||
74 | |||
75 | /* how to get the thread information struct from C */ | ||
76 | static inline struct thread_info *current_thread_info(void) | ||
77 | { | ||
78 | return (struct thread_info *)((*(unsigned long *) __LC_KERNEL_STACK)-THREAD_SIZE); | ||
79 | } | ||
80 | |||
81 | #define THREAD_SIZE_ORDER THREAD_ORDER | ||
82 | |||
83 | #endif | ||
84 | |||
85 | /* | ||
86 | * thread information flags bit numbers | ||
87 | */ | ||
88 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
89 | #define TIF_SIGPENDING 2 /* signal pending */ | ||
90 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | ||
91 | #define TIF_RESTART_SVC 4 /* restart svc with new svc number */ | ||
92 | #define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ | ||
93 | #define TIF_SINGLE_STEP 6 /* deliver sigtrap on return to user */ | ||
94 | #define TIF_MCCK_PENDING 7 /* machine check handling is pending */ | ||
95 | #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ | ||
96 | #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling | ||
97 | TIF_NEED_RESCHED */ | ||
98 | #define TIF_31BIT 18 /* 32bit process */ | ||
99 | #define TIF_MEMDIE 19 | ||
100 | #define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */ | ||
101 | |||
102 | #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) | ||
103 | #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) | ||
104 | #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) | ||
105 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | ||
106 | #define _TIF_RESTART_SVC (1<<TIF_RESTART_SVC) | ||
107 | #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) | ||
108 | #define _TIF_SINGLE_STEP (1<<TIF_SINGLE_STEP) | ||
109 | #define _TIF_MCCK_PENDING (1<<TIF_MCCK_PENDING) | ||
110 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) | ||
111 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | ||
112 | #define _TIF_31BIT (1<<TIF_31BIT) | ||
113 | |||
114 | #endif /* __KERNEL__ */ | ||
115 | |||
116 | #define PREEMPT_ACTIVE 0x4000000 | ||
117 | |||
118 | #endif /* _ASM_THREAD_INFO_H */ | ||