--- /dev/null
+#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 <net/net_namespace.h>
+#include <linux/sched/rt.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_CGROUPS
+#define INIT_GROUP_RWSEM(sig) \
+ .group_rwsem = __RWSEM_INITIALIZER(sig.group_rwsem),
+#else
+#define INIT_GROUP_RWSEM(sig)
+#endif
+
+#ifdef CONFIG_CPUSETS
+#define INIT_CPUSET_SEQ(tsk) \
+ .mems_allowed_seq = SEQCNT_ZERO(tsk.mems_allowed_seq),
+#else
+#define INIT_CPUSET_SEQ(tsk)
+#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}}}, \
+ .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
+ .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
+ .rlim = INIT_RLIMITS, \
+ .cputimer = { \
+ .cputime = INIT_CPUTIME, \
+ .running = 0, \
+ .lock = __RAW_SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \
+ }, \
+ .cred_guard_mutex = \
+ __MUTEX_INITIALIZER(sig.cred_guard_mutex), \
+ INIT_GROUP_RWSEM(sig) \
+}
+
+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, \
+ .pid_chain = { .next = NULL, .pprev = NULL }, \
+ }, } \
+}
+
+#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_TREE_PREEMPT() \
+ .rcu_blocked_node = NULL,
+#else
+#define INIT_TASK_RCU_TREE_PREEMPT(tsk)
+#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), \
+ INIT_TASK_RCU_TREE_PREEMPT()
+#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;
+
+extern struct task_group root_task_group;
+
+#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_PREEMPT_RT_BASE
+# define INIT_TIMER_LIST .posix_timer_list = NULL,
+#else
+# define INIT_TIMER_LIST
+#endif
+
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+# define INIT_VTIME(tsk) \
+ .vtime_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.vtime_lock), \
+ .vtime_seq = SEQCNT_ZERO(tsk.vtime_seq), \
+ .vtime_snap = 0, \
+ .vtime_snap_whence = 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, \
+ .pi_waiters_leftmost = 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
+
+/*
+ * INIT_TASK is used to set up the first task table, touch at
+ * your own risk!. Base=0, limit=0x1fffff (=2MB)
+ */
+#define INIT_TASK(tsk) \
+{ \
+ .state = 0, \
+ .stack = &init_thread_info, \
+ .usage = ATOMIC_INIT(2), \
+ .flags = PF_KTHREAD, \
+ .prio = MAX_PRIO-20, \
+ .static_prio = MAX_PRIO-20, \
+ .normal_prio = MAX_PRIO-20, \
+ .policy = SCHED_NORMAL, \
+ .cpus_allowed = CPU_MASK_ALL, \
+ .nr_cpus_allowed= NR_CPUS, \
+ .mm = NULL, \
+ .active_mm = &init_mm, \
+ .restart_block = { \
+ .fn = do_no_restart_syscall, \
+ }, \
+ .se = { \
+ .group_node = LIST_HEAD_INIT(tsk.se.group_node), \
+ }, \
+ .rt = { \
+ .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \
+ .time_slice = RR_TIMESLICE, \
+ }, \
+ .tasks = LIST_HEAD_INIT(tsk.tasks), \
+ INIT_PUSHABLE_TASKS(tsk) \
+ INIT_CGROUP_SCHED(tsk) \
+ .ptraced = LIST_HEAD_INIT(tsk.ptraced), \
+ .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \
+ .real_parent = &tsk, \
+ .parent = &tsk, \
+ .children = LIST_HEAD_INIT(tsk.children), \
+ .sibling = LIST_HEAD_INIT(tsk.sibling), \
+ .group_leader = &tsk, \
+ RCU_POINTER_INITIALIZER(real_cred, &init_cred), \
+ RCU_POINTER_INITIALIZER(cred, &init_cred), \
+ .comm = INIT_TASK_COMM, \
+ .thread = INIT_THREAD, \
+ .fs = &init_fs, \
+ .files = &init_files, \
+ .signal = &init_signals, \
+ .sighand = &init_sighand, \
+ .nsproxy = &init_nsproxy, \
+ .pending = { \
+ .list = LIST_HEAD_INIT(tsk.pending.list), \
+ .signal = {{0}}}, \
+ .blocked = {{0}}, \
+ .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
+ .journal_info = NULL, \
+ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
+ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
+ .timer_slack_ns = 50000, /* 50 usec default slack */ \
+ INIT_TIMER_LIST \
+ .pids = { \
+ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
+ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
+ [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
+ }, \
+ .thread_group = LIST_HEAD_INIT(tsk.thread_group), \
+ .thread_node = LIST_HEAD_INIT(init_signals.thread_head), \
+ INIT_IDS \
+ INIT_PERF_EVENTS(tsk) \
+ INIT_TRACE_IRQFLAGS \
+ INIT_LOCKDEP \
+ INIT_FTRACE_GRAPH \
+ INIT_TRACE_RECURSION \
+ INIT_TASK_RCU_PREEMPT(tsk) \
+ INIT_TASK_RCU_TASKS(tsk) \
+ INIT_CPUSET_SEQ(tsk) \
+ INIT_RT_MUTEXES(tsk) \
+ INIT_VTIME(tsk) \
+ INIT_NUMA_BALANCING(tsk) \
+ INIT_KASAN(tsk) \
+}
+
+
+#define INIT_CPU_TIMERS(cpu_timers) \
+{ \
+ LIST_HEAD_INIT(cpu_timers[0]), \
+ LIST_HEAD_INIT(cpu_timers[1]), \
+ LIST_HEAD_INIT(cpu_timers[2]), \
+}
+
+/* Attach to the init_task data structure for proper alignment */
+#define __init_task_data __attribute__((__section__(".data..init_task")))
+
+
+#endif
Code Review / kvmfornfv.git / blobdiff