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authorDavid Howells <dhowells@redhat.com>2018-01-02 15:12:01 +0000
committerDavid Howells <dhowells@redhat.com>2018-01-17 11:30:16 +0000
commit4e7e3adbba5224604b34b0d42003ff6dbdc8ddd9 (patch)
treed4e9f829a8d07dd76319776e54cde0cb36ceb24a /init/init_task.c
parentExpand INIT_TASK() in init/init_task.c and remove (diff)
downloadlinux-dev-4e7e3adbba5224604b34b0d42003ff6dbdc8ddd9.tar.xz
linux-dev-4e7e3adbba5224604b34b0d42003ff6dbdc8ddd9.zip
Expand various INIT_* macros and remove
Expand various INIT_* macros into the single places they're used in init/init_task.c and remove them. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com> Tested-by: Will Deacon <will.deacon@arm.com> (arm64) Tested-by: Palmer Dabbelt <palmer@sifive.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'init/init_task.c')
-rw-r--r--init/init_task.c95
1 files changed, 71 insertions, 24 deletions
diff --git a/init/init_task.c b/init/init_task.c
index 7b2436f02dad..aa4030a939e5 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -16,7 +16,6 @@
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-
/*
* Set up the first task table, touch at your own risk!. Base=0,
* limit=0x1fffff (=2MB)
@@ -26,20 +25,23 @@ struct task_struct init_task
__init_task_data
#endif
= {
- INIT_TASK_TI(init_task)
+#ifdef CONFIG_THREAD_INFO_IN_TASK
+ .thread_info = INIT_THREAD_INFO(init_task),
+ .stack_refcount = ATOMIC_INIT(1),
+#endif
.state = 0,
.stack = init_stack,
.usage = ATOMIC_INIT(2),
.flags = PF_KTHREAD,
- .prio = MAX_PRIO-20,
- .static_prio = MAX_PRIO-20,
- .normal_prio = MAX_PRIO-20,
+ .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 = {
+ .restart_block = {
.fn = do_no_restart_syscall,
},
.se = {
@@ -50,8 +52,12 @@ struct task_struct init_task
.time_slice = RR_TIMESLICE,
},
.tasks = LIST_HEAD_INIT(init_task.tasks),
- INIT_PUSHABLE_TASKS(init_task)
- INIT_CGROUP_SCHED(init_task)
+#ifdef CONFIG_SMP
+ .pushable_tasks = PLIST_NODE_INIT(init_task.pushable_tasks, MAX_PRIO),
+#endif
+#ifdef CONFIG_CGROUP_SCHED
+ .sched_task_group = &root_task_group,
+#endif
.ptraced = LIST_HEAD_INIT(init_task.ptraced),
.ptrace_entry = LIST_HEAD_INIT(init_task.ptrace_entry),
.real_parent = &init_task,
@@ -85,24 +91,65 @@ struct task_struct init_task
},
.thread_group = LIST_HEAD_INIT(init_task.thread_group),
.thread_node = LIST_HEAD_INIT(init_signals.thread_head),
- INIT_IDS
- INIT_PERF_EVENTS(init_task)
- INIT_TRACE_IRQFLAGS
- INIT_LOCKDEP
- INIT_FTRACE_GRAPH
- INIT_TRACE_RECURSION
- INIT_TASK_RCU_PREEMPT(init_task)
- INIT_TASK_RCU_TASKS(init_task)
- INIT_CPUSET_SEQ(init_task)
- INIT_RT_MUTEXES(init_task)
+#ifdef CONFIG_AUDITSYSCALL
+ .loginuid = INVALID_UID,
+ .sessionid = (unsigned int)-1,
+#endif
+#ifdef CONFIG_PERF_EVENTS
+ .perf_event_mutex = __MUTEX_INITIALIZER(init_task.perf_event_mutex),
+ .perf_event_list = LIST_HEAD_INIT(init_task.perf_event_list),
+#endif
+#ifdef CONFIG_PREEMPT_RCU
+ .rcu_read_lock_nesting = 0,
+ .rcu_read_unlock_special.s = 0,
+ .rcu_node_entry = LIST_HEAD_INIT(init_task.rcu_node_entry),
+ .rcu_blocked_node = NULL,
+#endif
+#ifdef CONFIG_TASKS_RCU
+ .rcu_tasks_holdout = false,
+ .rcu_tasks_holdout_list = LIST_HEAD_INIT(init_task.rcu_tasks_holdout_list),
+ .rcu_tasks_idle_cpu = -1,
+#endif
+#ifdef CONFIG_CPUSETS
+ .mems_allowed_seq = SEQCNT_ZERO(init_task.mems_allowed_seq),
+#endif
+#ifdef CONFIG_RT_MUTEXES
+ .pi_waiters = RB_ROOT_CACHED,
+ .pi_top_task = NULL,
+#endif
INIT_PREV_CPUTIME(init_task)
- INIT_VTIME(init_task)
- INIT_NUMA_BALANCING(init_task)
- INIT_KASAN(init_task)
- INIT_LIVEPATCH(init_task)
- INIT_TASK_SECURITY
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+ .vtime.seqcount = SEQCNT_ZERO(init_task.vtime_seqcount),
+ .vtime.starttime = 0,
+ .vtime.state = VTIME_SYS,
+#endif
+#ifdef CONFIG_NUMA_BALANCING
+ .numa_preferred_nid = -1,
+ .numa_group = NULL,
+ .numa_faults = NULL,
+#endif
+#ifdef CONFIG_KASAN
+ .kasan_depth = 1,
+#endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+ .softirqs_enabled = 1,
+#endif
+#ifdef CONFIG_LOCKDEP
+ .lockdep_recursion = 0,
+#endif
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ .ret_stack = NULL,
+#endif
+#if defined(CONFIG_TRACING) && defined(CONFIG_PREEMPT)
+ .trace_recursion = 0,
+#endif
+#ifdef CONFIG_LIVEPATCH
+ .patch_state = KLP_UNDEFINED,
+#endif
+#ifdef CONFIG_SECURITY
+ .security = NULL,
+#endif
};
-
EXPORT_SYMBOL(init_task);
/*