#ifndef _LINUX__INIT_TASK_H
#define _LINUX__INIT_TASK_H
-#include <linux/file.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 <net/net_namespace.h>
-#define INIT_FDTABLE \
-{ \
- .max_fds = NR_OPEN_DEFAULT, \
- .fd = &init_files.fd_array[0], \
- .close_on_exec = (fd_set *)&init_files.close_on_exec_init, \
- .open_fds = (fd_set *)&init_files.open_fds_init, \
- .rcu = RCU_HEAD_INIT, \
- .next = NULL, \
-}
-
-#define INIT_FILES \
-{ \
- .count = ATOMIC_INIT(1), \
- .fdt = &init_files.fdtab, \
- .fdtab = INIT_FDTABLE, \
- .file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock), \
- .next_fd = 0, \
- .close_on_exec_init = { { 0, } }, \
- .open_fds_init = { { 0, } }, \
- .fd_array = { NULL, } \
-}
-
-#define INIT_KIOCTX(name, which_mm) \
-{ \
- .users = ATOMIC_INIT(1), \
- .dead = 0, \
- .mm = &which_mm, \
- .user_id = 0, \
- .next = NULL, \
- .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \
- .ctx_lock = __SPIN_LOCK_UNLOCKED(name.ctx_lock), \
- .reqs_active = 0U, \
- .max_reqs = ~0U, \
-}
-
-#define INIT_MM(name) \
-{ \
- .mm_rb = RB_ROOT, \
- .pgd = swapper_pg_dir, \
- .mm_users = ATOMIC_INIT(2), \
- .mm_count = ATOMIC_INIT(1), \
- .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \
- .page_table_lock = __SPIN_LOCK_UNLOCKED(name.page_table_lock), \
- .mmlist = LIST_HEAD_INIT(name.mmlist), \
- .cpu_vm_mask = CPU_MASK_ALL, \
-}
+extern struct files_struct init_files;
+extern struct fs_struct init_fs;
#define INIT_SIGNALS(sig) { \
- .count = ATOMIC_INIT(1), \
+ .nr_threads = 1, \
.wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
.shared_pending = { \
.list = LIST_HEAD_INIT(sig.shared_pending.list), \
.posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
.cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
.rlim = INIT_RLIMITS, \
- .pgrp = 1, \
- .tty_old_pgrp = NULL, \
- { .__session = 1}, \
+ .cputimer = { \
+ .cputime = INIT_CPUTIME, \
+ .running = 0, \
+ .lock = __SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \
+ }, \
}
extern struct nsproxy init_nsproxy;
-#define INIT_NSPROXY(nsproxy) { \
- .pid_ns = &init_pid_ns, \
- .count = ATOMIC_INIT(1), \
- .nslock = __SPIN_LOCK_UNLOCKED(nsproxy.nslock), \
- .uts_ns = &init_uts_ns, \
- .mnt_ns = NULL, \
- INIT_IPC_NS(ipc_ns) \
-}
#define INIT_SIGHAND(sighand) { \
.count = ATOMIC_INIT(1), \
.action = { { { .sa_handler = NULL, } }, }, \
.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 = &init_task.pids[PIDTYPE_PID].node }, \
+ { .first = &init_task.pids[PIDTYPE_PGID].node }, \
+ { .first = &init_task.pids[PIDTYPE_SID].node }, \
+ }, \
+ .level = 0, \
+ .numbers = { { \
+ .nr = 0, \
+ .ns = &init_pid_ns, \
+ .pid_chain = { .next = NULL, .pprev = NULL }, \
+ }, } \
+}
+
+#define INIT_PID_LINK(type) \
+{ \
+ .node = { \
+ .next = NULL, \
+ .pprev = &init_struct_pid.tasks[type].first, \
+ }, \
+ .pid = &init_struct_pid, \
+}
+
+#ifdef CONFIG_AUDITSYSCALL
+#define INIT_IDS \
+ .loginuid = -1, \
+ .sessionid = -1,
+#else
+#define INIT_IDS
+#endif
+
+/*
+ * Because of the reduced scope of CAP_SETPCAP when filesystem
+ * capabilities are in effect, it is safe to allow CAP_SETPCAP to
+ * be available in the default configuration.
+ */
+# define CAP_INIT_BSET CAP_FULL_SET
+
+#ifdef CONFIG_TREE_PREEMPT_RCU
+#define INIT_TASK_RCU_PREEMPT(tsk) \
+ .rcu_read_lock_nesting = 0, \
+ .rcu_read_unlock_special = 0, \
+ .rcu_blocked_node = NULL, \
+ .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry),
+#else
+#define INIT_TASK_RCU_PREEMPT(tsk)
+#endif
+
+extern struct cred init_cred;
+
+#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
+
/*
* 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, \
- .thread_info = &init_thread_info, \
+ .stack = &init_thread_info, \
.usage = ATOMIC_INIT(2), \
- .flags = 0, \
+ .flags = PF_KTHREAD, \
.lock_depth = -1, \
.prio = MAX_PRIO-20, \
.static_prio = MAX_PRIO-20, \
.cpus_allowed = CPU_MASK_ALL, \
.mm = NULL, \
.active_mm = &init_mm, \
- .run_list = LIST_HEAD_INIT(tsk.run_list), \
- .ioprio = 0, \
- .time_slice = HZ, \
+ .se = { \
+ .group_node = LIST_HEAD_INIT(tsk.se.group_node), \
+ }, \
+ .rt = { \
+ .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \
+ .time_slice = HZ, \
+ .nr_cpus_allowed = NR_CPUS, \
+ }, \
.tasks = LIST_HEAD_INIT(tsk.tasks), \
- .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \
- .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \
+ .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO), \
+ .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, \
- .group_info = &init_groups, \
- .cap_effective = CAP_INIT_EFF_SET, \
- .cap_inheritable = CAP_INIT_INH_SET, \
- .cap_permitted = CAP_FULL_SET, \
- .keep_capabilities = 0, \
- .user = INIT_USER, \
+ .real_cred = &init_cred, \
+ .cred = &init_cred, \
+ .cred_guard_mutex = \
+ __MUTEX_INITIALIZER(tsk.cred_guard_mutex), \
.comm = "swapper", \
.thread = INIT_THREAD, \
.fs = &init_fs, \
.journal_info = NULL, \
.cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
.fs_excl = ATOMIC_INIT(0), \
- .pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
+ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
+ .timer_slack_ns = 50000, /* 50 usec default slack */ \
+ .pids = { \
+ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
+ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
+ [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
+ }, \
+ .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
+ INIT_IDS \
+ INIT_PERF_EVENTS(tsk) \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
+ INIT_FTRACE_GRAPH \
+ INIT_TRACE_RECURSION \
+ INIT_TASK_RCU_PREEMPT(tsk) \
}
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