include/linux/init_task.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX__INIT_TASK_H
   3 #define _LINUX__INIT_TASK_H
   4
   5 #include <linux/rcupdate.h>
   6 #include <linux/irqflags.h>
   7 #include <linux/utsname.h>
   8 #include <linux/lockdep.h>
   9 #include <linux/ftrace.h>
  10 #include <linux/ipc.h>
  11 #include <linux/pid_namespace.h>
  12 #include <linux/user_namespace.h>
  13 #include <linux/securebits.h>
  14 #include <linux/seqlock.h>
  15 #include <linux/rbtree.h>
  16 #include <linux/sched/autogroup.h>
  17 #include <net/net_namespace.h>
  18 #include <linux/sched/rt.h>
  19 #include <linux/livepatch.h>
  20 #include <linux/mm_types.h>
  21
  22 #include <asm/thread_info.h>
  23
  24 extern struct files_struct init_files;
  25 extern struct fs_struct init_fs;
  26 extern struct nsproxy init_nsproxy;
  27 extern struct group_info init_groups;
  28 extern struct cred init_cred;
  29
  30 #ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
  31 #define INIT_PREV_CPUTIME(x)    .prev_cputime = {                       \
  32         .lock = __RAW_SPIN_LOCK_UNLOCKED(x.prev_cputime.lock),          \
  33 },
  34 #else
  35 #define INIT_PREV_CPUTIME(x)
  36 #endif
  37
  38 #ifdef CONFIG_POSIX_TIMERS
  39 #define INIT_CPU_TIMERS(s)                                              \
  40         .cpu_timers = {                                                 \
  41                 LIST_HEAD_INIT(s.cpu_timers[0]),                        \
  42                 LIST_HEAD_INIT(s.cpu_timers[1]),                        \
  43                 LIST_HEAD_INIT(s.cpu_timers[2]),                        \
  44         },
  45 #else
  46 #define INIT_CPU_TIMERS(s)
  47 #endif
  48
  49 #define INIT_PID_LINK(type)                                     \
  50 {                                                               \
  51         .node = {                                               \
  52                 .next = NULL,                                   \
  53                 .pprev = NULL,                                  \
  54         },                                                      \
  55         .pid = &init_struct_pid,                                \
  56 }
  57
  58 #define INIT_TASK_COMM "swapper"
  59
  60 /* Attach to the init_task data structure for proper alignment */
  61 #ifdef CONFIG_ARCH_TASK_STRUCT_ON_STACK
  62 #define __init_task_data __attribute__((__section__(".data..init_task")))
  63 #else
  64 #define __init_task_data /**/
  65 #endif
  66
  67 /* Attach to the thread_info data structure for proper alignment */
  68 #define __init_thread_info __attribute__((__section__(".data..init_thread_info")))
  69
  70 #endif