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Blackfin: fix indentation with bfin_read() helper
[zen-stable.git] / include / linux / init_task.h
blobbafc58c00fc32b92fdbdb533c3e43d0e659c44b3
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 #ifdef CONFIG_SMP
16 # define INIT_PUSHABLE_TASKS(tsk) \
17 .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO),
18 #else
19 # define INIT_PUSHABLE_TASKS(tsk)
20 #endif
21
22 extern struct files_struct init_files;
23 extern struct fs_struct init_fs;
24
25 #define INIT_SIGNALS(sig) { \
26 .nr_threads = 1, \
27 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
28 .shared_pending = { \
29 .list = LIST_HEAD_INIT(sig.shared_pending.list), \
30 .signal = {{0}}}, \
31 .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
32 .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
33 .rlim = INIT_RLIMITS, \
34 .cputimer = { \
35 .cputime = INIT_CPUTIME, \
36 .running = 0, \
37 .lock = __SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \
38 }, \
39 .cred_guard_mutex = \
40 __MUTEX_INITIALIZER(sig.cred_guard_mutex), \
41 }
42
43 extern struct nsproxy init_nsproxy;
44
45 #define INIT_SIGHAND(sighand) { \
46 .count = ATOMIC_INIT(1), \
47 .action = { { { .sa_handler = SIG_DFL, } }, }, \
48 .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
49 .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \
50 }
51
52 extern struct group_info init_groups;
53
54 #define INIT_STRUCT_PID { \
55 .count = ATOMIC_INIT(1), \
56 .tasks = { \
57 { .first = NULL }, \
58 { .first = NULL }, \
59 { .first = NULL }, \
60 }, \
61 .level = 0, \
62 .numbers = { { \
63 .nr = 0, \
64 .ns = &init_pid_ns, \
65 .pid_chain = { .next = NULL, .pprev = NULL }, \
66 }, } \
67 }
68
69 #define INIT_PID_LINK(type) \
70 { \
71 .node = { \
72 .next = NULL, \
73 .pprev = NULL, \
74 }, \
75 .pid = &init_struct_pid, \
76 }
77
78 #ifdef CONFIG_AUDITSYSCALL
79 #define INIT_IDS \
80 .loginuid = -1, \
81 .sessionid = -1,
82 #else
83 #define INIT_IDS
84 #endif
85
86 #ifdef CONFIG_RCU_BOOST
87 #define INIT_TASK_RCU_BOOST() \
88 .rcu_boost_mutex = NULL,
89 #else
90 #define INIT_TASK_RCU_BOOST()
91 #endif
92 #ifdef CONFIG_TREE_PREEMPT_RCU
93 #define INIT_TASK_RCU_TREE_PREEMPT() \
94 .rcu_blocked_node = NULL,
95 #else
96 #define INIT_TASK_RCU_TREE_PREEMPT(tsk)
97 #endif
98 #ifdef CONFIG_PREEMPT_RCU
99 #define INIT_TASK_RCU_PREEMPT(tsk) \
100 .rcu_read_lock_nesting = 0, \
101 .rcu_read_unlock_special = 0, \
102 .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry), \
103 INIT_TASK_RCU_TREE_PREEMPT() \
104 INIT_TASK_RCU_BOOST()
105 #else
106 #define INIT_TASK_RCU_PREEMPT(tsk)
107 #endif
108
109 extern struct cred init_cred;
110
111 #ifdef CONFIG_PERF_EVENTS
112 # define INIT_PERF_EVENTS(tsk) \
113 .perf_event_mutex = \
114 __MUTEX_INITIALIZER(tsk.perf_event_mutex), \
115 .perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
116 #else
117 # define INIT_PERF_EVENTS(tsk)
118 #endif
119
120 /*
121 * INIT_TASK is used to set up the first task table, touch at
122 * your own risk!. Base=0, limit=0x1fffff (=2MB)
123 */
124 #define INIT_TASK(tsk) \
125 { \
126 .state = 0, \
127 .stack = &init_thread_info, \
128 .usage = ATOMIC_INIT(2), \
129 .flags = PF_KTHREAD, \
130 .prio = MAX_PRIO-20, \
131 .static_prio = MAX_PRIO-20, \
132 .normal_prio = MAX_PRIO-20, \
133 .policy = SCHED_NORMAL, \
134 .cpus_allowed = CPU_MASK_ALL, \
135 .mm = NULL, \
136 .active_mm = &init_mm, \
137 .se = { \
138 .group_node = LIST_HEAD_INIT(tsk.se.group_node), \
139 }, \
140 .rt = { \
141 .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \
142 .time_slice = HZ, \
143 .nr_cpus_allowed = NR_CPUS, \
144 }, \
145 .tasks = LIST_HEAD_INIT(tsk.tasks), \
146 INIT_PUSHABLE_TASKS(tsk) \
147 .ptraced = LIST_HEAD_INIT(tsk.ptraced), \
148 .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \
149 .real_parent = &tsk, \
150 .parent = &tsk, \
151 .children = LIST_HEAD_INIT(tsk.children), \
152 .sibling = LIST_HEAD_INIT(tsk.sibling), \
153 .group_leader = &tsk, \
154 RCU_INIT_POINTER(.real_cred, &init_cred), \
155 RCU_INIT_POINTER(.cred, &init_cred), \
156 .comm = "swapper", \
157 .thread = INIT_THREAD, \
158 .fs = &init_fs, \
159 .files = &init_files, \
160 .signal = &init_signals, \
161 .sighand = &init_sighand, \
162 .nsproxy = &init_nsproxy, \
163 .pending = { \
164 .list = LIST_HEAD_INIT(tsk.pending.list), \
165 .signal = {{0}}}, \
166 .blocked = {{0}}, \
167 .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
168 .journal_info = NULL, \
169 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
170 .fs_excl = ATOMIC_INIT(0), \
171 .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
172 .timer_slack_ns = 50000, /* 50 usec default slack */ \
173 .pids = { \
174 [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
175 [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
176 [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
177 }, \
178 .thread_group = LIST_HEAD_INIT(tsk.thread_group), \
179 .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
180 INIT_IDS \
181 INIT_PERF_EVENTS(tsk) \
182 INIT_TRACE_IRQFLAGS \
183 INIT_LOCKDEP \
184 INIT_FTRACE_GRAPH \
185 INIT_TRACE_RECURSION \
186 INIT_TASK_RCU_PREEMPT(tsk) \
187 }
188
189
190 #define INIT_CPU_TIMERS(cpu_timers) \
191 { \
192 LIST_HEAD_INIT(cpu_timers[0]), \
193 LIST_HEAD_INIT(cpu_timers[1]), \
194 LIST_HEAD_INIT(cpu_timers[2]), \
195 }
196
197 /* Attach to the init_task data structure for proper alignment */
198 #define __init_task_data __attribute__((__section__(".data..init_task")))
199
200
201 #endif