init_task.c (9b031c86506cef9acae45e61339fcf9deaabb793) init_task.c (b75058614fdd3140074a640b514f6a0b4d485a2d)
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/init_task.h>
3#include <linux/export.h>
4#include <linux/mqueue.h>
5#include <linux/sched.h>
6#include <linux/sched/sysctl.h>
7#include <linux/sched/rt.h>
8#include <linux/sched/task.h>
9#include <linux/init.h>
10#include <linux/fs.h>
11#include <linux/mm.h>
12#include <linux/audit.h>
13#include <linux/numa.h>
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/init_task.h>
3#include <linux/export.h>
4#include <linux/mqueue.h>
5#include <linux/sched.h>
6#include <linux/sched/sysctl.h>
7#include <linux/sched/rt.h>
8#include <linux/sched/task.h>
9#include <linux/init.h>
10#include <linux/fs.h>
11#include <linux/mm.h>
12#include <linux/audit.h>
13#include <linux/numa.h>
14#include <linux/scs.h>
14
15
15#include <asm/pgtable.h>
16#include <linux/uaccess.h>
17
18static struct signal_struct init_signals = {
19 .nr_threads = 1,
20 .thread_head = LIST_HEAD_INIT(init_task.thread_node),
21 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(init_signals.wait_chldexit),
22 .shared_pending = {
23 .list = LIST_HEAD_INIT(init_signals.shared_pending.list),

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45
46static struct sighand_struct init_sighand = {
47 .count = REFCOUNT_INIT(1),
48 .action = { { { .sa_handler = SIG_DFL, } }, },
49 .siglock = __SPIN_LOCK_UNLOCKED(init_sighand.siglock),
50 .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(init_sighand.signalfd_wqh),
51};
52
16#include <linux/uaccess.h>
17
18static struct signal_struct init_signals = {
19 .nr_threads = 1,
20 .thread_head = LIST_HEAD_INIT(init_task.thread_node),
21 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(init_signals.wait_chldexit),
22 .shared_pending = {
23 .list = LIST_HEAD_INIT(init_signals.shared_pending.list),

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45
46static struct sighand_struct init_sighand = {
47 .count = REFCOUNT_INIT(1),
48 .action = { { { .sa_handler = SIG_DFL, } }, },
49 .siglock = __SPIN_LOCK_UNLOCKED(init_sighand.siglock),
50 .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(init_sighand.signalfd_wqh),
51};
52
53#ifdef CONFIG_SHADOW_CALL_STACK
54unsigned long init_shadow_call_stack[SCS_SIZE / sizeof(long)]
55 __init_task_data = {
56 [(SCS_SIZE / sizeof(long)) - 1] = SCS_END_MAGIC
57};
58#endif
59
53/*
54 * Set up the first task table, touch at your own risk!. Base=0,
55 * limit=0x1fffff (=2MB)
56 */
57struct task_struct init_task
58#ifdef CONFIG_ARCH_TASK_STRUCT_ON_STACK
59 __init_task_data
60#endif

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136 .rcu_node_entry = LIST_HEAD_INIT(init_task.rcu_node_entry),
137 .rcu_blocked_node = NULL,
138#endif
139#ifdef CONFIG_TASKS_RCU
140 .rcu_tasks_holdout = false,
141 .rcu_tasks_holdout_list = LIST_HEAD_INIT(init_task.rcu_tasks_holdout_list),
142 .rcu_tasks_idle_cpu = -1,
143#endif
60/*
61 * Set up the first task table, touch at your own risk!. Base=0,
62 * limit=0x1fffff (=2MB)
63 */
64struct task_struct init_task
65#ifdef CONFIG_ARCH_TASK_STRUCT_ON_STACK
66 __init_task_data
67#endif

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143 .rcu_node_entry = LIST_HEAD_INIT(init_task.rcu_node_entry),
144 .rcu_blocked_node = NULL,
145#endif
146#ifdef CONFIG_TASKS_RCU
147 .rcu_tasks_holdout = false,
148 .rcu_tasks_holdout_list = LIST_HEAD_INIT(init_task.rcu_tasks_holdout_list),
149 .rcu_tasks_idle_cpu = -1,
150#endif
151#ifdef CONFIG_TASKS_TRACE_RCU
152 .trc_reader_nesting = 0,
153 .trc_reader_special.s = 0,
154 .trc_holdout_list = LIST_HEAD_INIT(init_task.trc_holdout_list),
155#endif
144#ifdef CONFIG_CPUSETS
156#ifdef CONFIG_CPUSETS
145 .mems_allowed_seq = SEQCNT_ZERO(init_task.mems_allowed_seq),
157 .mems_allowed_seq = SEQCNT_SPINLOCK_ZERO(init_task.mems_allowed_seq,
158 &init_task.alloc_lock),
146#endif
147#ifdef CONFIG_RT_MUTEXES
148 .pi_waiters = RB_ROOT_CACHED,
149 .pi_top_task = NULL,
150#endif
151 INIT_PREV_CPUTIME(init_task)
152#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
153 .vtime.seqcount = SEQCNT_ZERO(init_task.vtime_seqcount),
154 .vtime.starttime = 0,
155 .vtime.state = VTIME_SYS,
156#endif
157#ifdef CONFIG_NUMA_BALANCING
158 .numa_preferred_nid = NUMA_NO_NODE,
159 .numa_group = NULL,
160 .numa_faults = NULL,
161#endif
162#ifdef CONFIG_KASAN
163 .kasan_depth = 1,
164#endif
159#endif
160#ifdef CONFIG_RT_MUTEXES
161 .pi_waiters = RB_ROOT_CACHED,
162 .pi_top_task = NULL,
163#endif
164 INIT_PREV_CPUTIME(init_task)
165#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
166 .vtime.seqcount = SEQCNT_ZERO(init_task.vtime_seqcount),
167 .vtime.starttime = 0,
168 .vtime.state = VTIME_SYS,
169#endif
170#ifdef CONFIG_NUMA_BALANCING
171 .numa_preferred_nid = NUMA_NO_NODE,
172 .numa_group = NULL,
173 .numa_faults = NULL,
174#endif
175#ifdef CONFIG_KASAN
176 .kasan_depth = 1,
177#endif
178#ifdef CONFIG_KCSAN
179 .kcsan_ctx = {
180 .disable_count = 0,
181 .atomic_next = 0,
182 .atomic_nest_count = 0,
183 .in_flat_atomic = false,
184 .access_mask = 0,
185 .scoped_accesses = {LIST_POISON1, NULL},
186 },
187#endif
165#ifdef CONFIG_TRACE_IRQFLAGS
166 .softirqs_enabled = 1,
167#endif
168#ifdef CONFIG_LOCKDEP
169 .lockdep_depth = 0, /* no locks held yet */
170 .curr_chain_key = INITIAL_CHAIN_KEY,
171 .lockdep_recursion = 0,
172#endif

--- 22 unchanged lines hidden --- 		188#ifdef CONFIG_TRACE_IRQFLAGS
189 .softirqs_enabled = 1,
190#endif
191#ifdef CONFIG_LOCKDEP
192 .lockdep_depth = 0, /* no locks held yet */
193 .curr_chain_key = INITIAL_CHAIN_KEY,
194 .lockdep_recursion = 0,
195#endif

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