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ARM: imx: use SOC_IMX25 instead of ARCH_MX25 for multi-SoC
[linux-2.6.git] / include / linux / init_task.h
blob2fea6c8ef6babea0564ccf3b061698cacba1d14e
1 #ifndef _LINUX__INIT_TASK_H
2 #define _LINUX__INIT_TASK_H
3
4 #include <linux/rcupdate.h>
5 #include <linux/irqflags.h>
6 #include <linux/utsname.h>
7 #include <linux/lockdep.h>
8 #include <linux/ftrace.h>
9 #include <linux/ipc.h>
10 #include <linux/pid_namespace.h>
11 #include <linux/user_namespace.h>
12 #include <linux/securebits.h>
13 #include <net/net_namespace.h>
14
15 extern struct files_struct init_files;
16 extern struct fs_struct init_fs;
17
18 #define INIT_SIGNALS(sig) { \
19 .nr_threads = 1, \
20 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
21 .shared_pending = { \
22 .list = LIST_HEAD_INIT(sig.shared_pending.list), \
23 .signal = {{0}}}, \
24 .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
25 .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
26 .rlim = INIT_RLIMITS, \
27 .cputimer = { \
28 .cputime = INIT_CPUTIME, \
29 .running = 0, \
30 .lock = __SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \
31 }, \
32 }
33
34 extern struct nsproxy init_nsproxy;
35
36 #define INIT_SIGHAND(sighand) { \
37 .count = ATOMIC_INIT(1), \
38 .action = { { { .sa_handler = SIG_DFL, } }, }, \
39 .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
40 .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \
41 }
42
43 extern struct group_info init_groups;
44
45 #define INIT_STRUCT_PID { \
46 .count = ATOMIC_INIT(1), \
47 .tasks = { \
48 { .first = NULL }, \
49 { .first = NULL }, \
50 { .first = NULL }, \
51 }, \
52 .level = 0, \
53 .numbers = { { \
54 .nr = 0, \
55 .ns = &init_pid_ns, \
56 .pid_chain = { .next = NULL, .pprev = NULL }, \
57 }, } \
58 }
59
60 #define INIT_PID_LINK(type) \
61 { \
62 .node = { \
63 .next = NULL, \
64 .pprev = NULL, \
65 }, \
66 .pid = &init_struct_pid, \
67 }
68
69 #ifdef CONFIG_AUDITSYSCALL
70 #define INIT_IDS \
71 .loginuid = -1, \
72 .sessionid = -1,
73 #else
74 #define INIT_IDS
75 #endif
76
77 /*
78 * Because of the reduced scope of CAP_SETPCAP when filesystem
79 * capabilities are in effect, it is safe to allow CAP_SETPCAP to
80 * be available in the default configuration.
81 */
82 # define CAP_INIT_BSET CAP_FULL_SET
83
84 #ifdef CONFIG_TREE_PREEMPT_RCU
85 #define INIT_TASK_RCU_TREE_PREEMPT() \
86 .rcu_blocked_node = NULL,
87 #else
88 #define INIT_TASK_RCU_TREE_PREEMPT(tsk)
89 #endif
90 #ifdef CONFIG_PREEMPT_RCU
91 #define INIT_TASK_RCU_PREEMPT(tsk) \
92 .rcu_read_lock_nesting = 0, \
93 .rcu_read_unlock_special = 0, \
94 .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry), \
95 INIT_TASK_RCU_TREE_PREEMPT()
96 #else
97 #define INIT_TASK_RCU_PREEMPT(tsk)
98 #endif
99
100 extern struct cred init_cred;
101
102 #ifdef CONFIG_PERF_EVENTS
103 # define INIT_PERF_EVENTS(tsk) \
104 .perf_event_mutex = \
105 __MUTEX_INITIALIZER(tsk.perf_event_mutex), \
106 .perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
107 #else
108 # define INIT_PERF_EVENTS(tsk)
109 #endif
110
111 /*
112 * INIT_TASK is used to set up the first task table, touch at
113 * your own risk!. Base=0, limit=0x1fffff (=2MB)
114 */
115 #define INIT_TASK(tsk) \
116 { \
117 .state = 0, \
118 .stack = &init_thread_info, \
119 .usage = ATOMIC_INIT(2), \
120 .flags = PF_KTHREAD, \
121 .lock_depth = -1, \
122 .prio = MAX_PRIO-20, \
123 .static_prio = MAX_PRIO-20, \
124 .normal_prio = MAX_PRIO-20, \
125 .policy = SCHED_NORMAL, \
126 .cpus_allowed = CPU_MASK_ALL, \
127 .mm = NULL, \
128 .active_mm = &init_mm, \
129 .se = { \
130 .group_node = LIST_HEAD_INIT(tsk.se.group_node), \
131 }, \
132 .rt = { \
133 .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \
134 .time_slice = HZ, \
135 .nr_cpus_allowed = NR_CPUS, \
136 }, \
137 .tasks = LIST_HEAD_INIT(tsk.tasks), \
138 .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO), \
139 .ptraced = LIST_HEAD_INIT(tsk.ptraced), \
140 .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \
141 .real_parent = &tsk, \
142 .parent = &tsk, \
143 .children = LIST_HEAD_INIT(tsk.children), \
144 .sibling = LIST_HEAD_INIT(tsk.sibling), \
145 .group_leader = &tsk, \
146 RCU_INIT_POINTER(.real_cred, &init_cred), \
147 RCU_INIT_POINTER(.cred, &init_cred), \
148 .cred_guard_mutex = \
149 __MUTEX_INITIALIZER(tsk.cred_guard_mutex), \
150 .comm = "swapper", \
151 .thread = INIT_THREAD, \
152 .fs = &init_fs, \
153 .files = &init_files, \
154 .signal = &init_signals, \
155 .sighand = &init_sighand, \
156 .nsproxy = &init_nsproxy, \
157 .pending = { \
158 .list = LIST_HEAD_INIT(tsk.pending.list), \
159 .signal = {{0}}}, \
160 .blocked = {{0}}, \
161 .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
162 .journal_info = NULL, \
163 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
164 .fs_excl = ATOMIC_INIT(0), \
165 .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
166 .timer_slack_ns = 50000, /* 50 usec default slack */ \
167 .pids = { \
168 [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
169 [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
170 [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
171 }, \
172 .thread_group = LIST_HEAD_INIT(tsk.thread_group), \
173 .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
174 INIT_IDS \
175 INIT_PERF_EVENTS(tsk) \
176 INIT_TRACE_IRQFLAGS \
177 INIT_LOCKDEP \
178 INIT_FTRACE_GRAPH \
179 INIT_TRACE_RECURSION \
180 INIT_TASK_RCU_PREEMPT(tsk) \
181 }
182
183
184 #define INIT_CPU_TIMERS(cpu_timers) \
185 { \
186 LIST_HEAD_INIT(cpu_timers[0]), \
187 LIST_HEAD_INIT(cpu_timers[1]), \
188 LIST_HEAD_INIT(cpu_timers[2]), \
189 }
190
191 /* Attach to the init_task data structure for proper alignment */
192 #define __init_task_data __attribute__((__section__(".data..init_task")))
193
194
195 #endif
Linus' kernel tree