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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX__INIT_TASK_H
#define _LINUX__INIT_TASK_H
#include <linux/rcupdate.h>
#include <linux/irqflags.h>
#include <linux/utsname.h>
#include <linux/lockdep.h>
#include <linux/ftrace.h>
#include <linux/ipc.h>
#include <linux/pid_namespace.h>
#include <linux/user_namespace.h>
#include <linux/securebits.h>
#include <linux/seqlock.h>
#include <linux/rbtree.h>
#include <linux/sched/autogroup.h>
#include <net/net_namespace.h>
#include <linux/sched/rt.h>
#include <linux/livepatch.h>
#include <linux/mm_types.h>
#include <asm/thread_info.h>
#ifdef CONFIG_SMP
# define INIT_PUSHABLE_TASKS(tsk) \
.pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO),
#else
# define INIT_PUSHABLE_TASKS(tsk)
#endif
extern struct files_struct init_files;
extern struct fs_struct init_fs;
#ifdef CONFIG_CPUSETS
#define INIT_CPUSET_SEQ(tsk) \
.mems_allowed_seq = SEQCNT_ZERO(tsk.mems_allowed_seq),
#else
#define INIT_CPUSET_SEQ(tsk)
#endif
#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
#define INIT_PREV_CPUTIME(x) .prev_cputime = { \
.lock = __RAW_SPIN_LOCK_UNLOCKED(x.prev_cputime.lock), \
},
#else
#define INIT_PREV_CPUTIME(x)
#endif
#ifdef CONFIG_POSIX_TIMERS
#define INIT_POSIX_TIMERS(s) \
.posix_timers = LIST_HEAD_INIT(s.posix_timers),
#define INIT_CPU_TIMERS(s) \
.cpu_timers = { \
LIST_HEAD_INIT(s.cpu_timers[0]), \
LIST_HEAD_INIT(s.cpu_timers[1]), \
LIST_HEAD_INIT(s.cpu_timers[2]), \
},
#define INIT_CPUTIMER(s) \
.cputimer = { \
.cputime_atomic = INIT_CPUTIME_ATOMIC, \
.running = false, \
.checking_timer = false, \
},
#else
#define INIT_POSIX_TIMERS(s)
#define INIT_CPU_TIMERS(s)
#define INIT_CPUTIMER(s)
#endif
#define INIT_SIGNALS(sig) { \
.nr_threads = 1, \
.thread_head = LIST_HEAD_INIT(init_task.thread_node), \
.wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
.shared_pending = { \
.list = LIST_HEAD_INIT(sig.shared_pending.list), \
.signal = {{0}}}, \
INIT_POSIX_TIMERS(sig) \
INIT_CPU_TIMERS(sig) \
.rlim = INIT_RLIMITS, \
INIT_CPUTIMER(sig) \
INIT_PREV_CPUTIME(sig) \
.cred_guard_mutex = \
__MUTEX_INITIALIZER(sig.cred_guard_mutex), \
}
extern struct nsproxy init_nsproxy;
#define INIT_SIGHAND(sighand) { \
.count = ATOMIC_INIT(1), \
.action = { { { .sa_handler = SIG_DFL, } }, }, \
.siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
.signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \
}
extern struct group_info init_groups;
#define INIT_STRUCT_PID { \
.count = ATOMIC_INIT(1), \
.tasks = { \
{ .first = NULL }, \
{ .first = NULL }, \
{ .first = NULL }, \
}, \
.level = 0, \
.numbers = { { \
.nr = 0, \
.ns = &init_pid_ns, \
}, } \
}
#define INIT_PID_LINK(type) \
{ \
.node = { \
.next = NULL, \
.pprev = NULL, \
}, \
.pid = &init_struct_pid, \
}
#ifdef CONFIG_AUDITSYSCALL
#define INIT_IDS \
.loginuid = INVALID_UID, \
.sessionid = (unsigned int)-1,
#else
#define INIT_IDS
#endif
#ifdef CONFIG_PREEMPT_RCU
#define INIT_TASK_RCU_PREEMPT(tsk) \
.rcu_read_lock_nesting = 0, \
.rcu_read_unlock_special.s = 0, \
.rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry), \
.rcu_blocked_node = NULL,
#else
#define INIT_TASK_RCU_PREEMPT(tsk)
#endif
#ifdef CONFIG_TASKS_RCU
#define INIT_TASK_RCU_TASKS(tsk) \
.rcu_tasks_holdout = false, \
.rcu_tasks_holdout_list = \
LIST_HEAD_INIT(tsk.rcu_tasks_holdout_list), \
.rcu_tasks_idle_cpu = -1,
#else
#define INIT_TASK_RCU_TASKS(tsk)
#endif
extern struct cred init_cred;
#ifdef CONFIG_CGROUP_SCHED
# define INIT_CGROUP_SCHED(tsk) \
.sched_task_group = &root_task_group,
#else
# define INIT_CGROUP_SCHED(tsk)
#endif
#ifdef CONFIG_PERF_EVENTS
# define INIT_PERF_EVENTS(tsk) \
.perf_event_mutex = \
__MUTEX_INITIALIZER(tsk.perf_event_mutex), \
.perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
#else
# define INIT_PERF_EVENTS(tsk)
#endif
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
# define INIT_VTIME(tsk) \
.vtime.seqcount = SEQCNT_ZERO(tsk.vtime.seqcount), \
.vtime.starttime = 0, \
.vtime.state = VTIME_SYS,
#else
# define INIT_VTIME(tsk)
#endif
#define INIT_TASK_COMM "swapper"
#ifdef CONFIG_RT_MUTEXES
# define INIT_RT_MUTEXES(tsk) \
.pi_waiters = RB_ROOT_CACHED, \
.pi_top_task = NULL,
#else
# define INIT_RT_MUTEXES(tsk)
#endif
#ifdef CONFIG_NUMA_BALANCING
# define INIT_NUMA_BALANCING(tsk) \
.numa_preferred_nid = -1, \
.numa_group = NULL, \
.numa_faults = NULL,
#else
# define INIT_NUMA_BALANCING(tsk)
#endif
#ifdef CONFIG_KASAN
# define INIT_KASAN(tsk) \
.kasan_depth = 1,
#else
# define INIT_KASAN(tsk)
#endif
#ifdef CONFIG_LIVEPATCH
# define INIT_LIVEPATCH(tsk) \
.patch_state = KLP_UNDEFINED,
#else
# define INIT_LIVEPATCH(tsk)
#endif
#ifdef CONFIG_THREAD_INFO_IN_TASK
# define INIT_TASK_TI(tsk) \
.thread_info = INIT_THREAD_INFO(tsk), \
.stack_refcount = ATOMIC_INIT(1),
#else
# define INIT_TASK_TI(tsk)
#endif
#ifdef CONFIG_SECURITY
#define INIT_TASK_SECURITY .security = NULL,
#else
#define INIT_TASK_SECURITY
#endif
/* Attach to the init_task data structure for proper alignment */
#ifdef CONFIG_ARCH_TASK_STRUCT_ON_STACK
#define __init_task_data __attribute__((__section__(".data..init_task")))
#else
#define __init_task_data /**/
#endif
/* Attach to the thread_info data structure for proper alignment */
#define __init_thread_info __attribute__((__section__(".data..init_thread_info")))
#endif
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