Lines Matching refs:tsk
132 void __weak arch_release_task_struct(struct task_struct *tsk) in arch_release_task_struct() argument
144 static inline void free_task_struct(struct task_struct *tsk) in free_task_struct() argument
146 kmem_cache_free(task_struct_cachep, tsk); in free_task_struct()
161 static struct thread_info *alloc_thread_info_node(struct task_struct *tsk, in alloc_thread_info_node() argument
177 static struct thread_info *alloc_thread_info_node(struct task_struct *tsk, in alloc_thread_info_node() argument
222 void free_task(struct task_struct *tsk) in free_task() argument
224 account_kernel_stack(tsk->stack, -1); in free_task()
225 arch_release_thread_info(tsk->stack); in free_task()
226 free_thread_info(tsk->stack); in free_task()
227 rt_mutex_debug_task_free(tsk); in free_task()
228 ftrace_graph_exit_task(tsk); in free_task()
229 put_seccomp_filter(tsk); in free_task()
230 arch_release_task_struct(tsk); in free_task()
231 free_task_struct(tsk); in free_task()
248 void __put_task_struct(struct task_struct *tsk) in __put_task_struct() argument
250 WARN_ON(!tsk->exit_state); in __put_task_struct()
251 WARN_ON(atomic_read(&tsk->usage)); in __put_task_struct()
252 WARN_ON(tsk == current); in __put_task_struct()
254 task_numa_free(tsk); in __put_task_struct()
255 security_task_free(tsk); in __put_task_struct()
256 exit_creds(tsk); in __put_task_struct()
257 delayacct_tsk_free(tsk); in __put_task_struct()
258 put_signal_struct(tsk->signal); in __put_task_struct()
260 if (!profile_handoff_task(tsk)) in __put_task_struct()
261 free_task(tsk); in __put_task_struct()
320 void set_task_stack_end_magic(struct task_struct *tsk) in set_task_stack_end_magic() argument
324 stackend = end_of_stack(tsk); in set_task_stack_end_magic()
330 struct task_struct *tsk; in dup_task_struct() local
335 tsk = alloc_task_struct_node(node); in dup_task_struct()
336 if (!tsk) in dup_task_struct()
339 ti = alloc_thread_info_node(tsk, node); in dup_task_struct()
343 err = arch_dup_task_struct(tsk, orig); in dup_task_struct()
347 tsk->stack = ti; in dup_task_struct()
355 tsk->seccomp.filter = NULL; in dup_task_struct()
358 setup_thread_stack(tsk, orig); in dup_task_struct()
359 clear_user_return_notifier(tsk); in dup_task_struct()
360 clear_tsk_need_resched(tsk); in dup_task_struct()
361 set_task_stack_end_magic(tsk); in dup_task_struct()
364 tsk->stack_canary = get_random_int(); in dup_task_struct()
371 atomic_set(&tsk->usage, 2); in dup_task_struct()
373 tsk->btrace_seq = 0; in dup_task_struct()
375 tsk->splice_pipe = NULL; in dup_task_struct()
376 tsk->task_frag.page = NULL; in dup_task_struct()
380 return tsk; in dup_task_struct()
385 free_task_struct(tsk); in dup_task_struct()
803 static void complete_vfork_done(struct task_struct *tsk) in complete_vfork_done() argument
807 task_lock(tsk); in complete_vfork_done()
808 vfork = tsk->vfork_done; in complete_vfork_done()
810 tsk->vfork_done = NULL; in complete_vfork_done()
813 task_unlock(tsk); in complete_vfork_done()
848 void mm_release(struct task_struct *tsk, struct mm_struct *mm) in mm_release() argument
852 if (unlikely(tsk->robust_list)) { in mm_release()
853 exit_robust_list(tsk); in mm_release()
854 tsk->robust_list = NULL; in mm_release()
857 if (unlikely(tsk->compat_robust_list)) { in mm_release()
858 compat_exit_robust_list(tsk); in mm_release()
859 tsk->compat_robust_list = NULL; in mm_release()
862 if (unlikely(!list_empty(&tsk->pi_state_list))) in mm_release()
863 exit_pi_state_list(tsk); in mm_release()
866 uprobe_free_utask(tsk); in mm_release()
869 deactivate_mm(tsk, mm); in mm_release()
878 if (tsk->clear_child_tid) { in mm_release()
879 if (!(tsk->flags & PF_SIGNALED) && in mm_release()
885 put_user(0, tsk->clear_child_tid); in mm_release()
886 sys_futex(tsk->clear_child_tid, FUTEX_WAKE, in mm_release()
889 tsk->clear_child_tid = NULL; in mm_release()
896 if (tsk->vfork_done) in mm_release()
897 complete_vfork_done(tsk); in mm_release()
904 static struct mm_struct *dup_mm(struct task_struct *tsk) in dup_mm() argument
915 if (!mm_init(mm, tsk)) in dup_mm()
939 static int copy_mm(unsigned long clone_flags, struct task_struct *tsk) in copy_mm() argument
944 tsk->min_flt = tsk->maj_flt = 0; in copy_mm()
945 tsk->nvcsw = tsk->nivcsw = 0; in copy_mm()
947 tsk->last_switch_count = tsk->nvcsw + tsk->nivcsw; in copy_mm()
950 tsk->mm = NULL; in copy_mm()
951 tsk->active_mm = NULL; in copy_mm()
963 vmacache_flush(tsk); in copy_mm()
972 mm = dup_mm(tsk); in copy_mm()
977 tsk->mm = mm; in copy_mm()
978 tsk->active_mm = mm; in copy_mm()
985 static int copy_fs(unsigned long clone_flags, struct task_struct *tsk) in copy_fs() argument
999 tsk->fs = copy_fs_struct(fs); in copy_fs()
1000 if (!tsk->fs) in copy_fs()
1005 static int copy_files(unsigned long clone_flags, struct task_struct *tsk) in copy_files() argument
1026 tsk->files = newf; in copy_files()
1032 static int copy_io(unsigned long clone_flags, struct task_struct *tsk) in copy_io() argument
1045 tsk->io_context = ioc; in copy_io()
1047 new_ioc = get_task_io_context(tsk, GFP_KERNEL, NUMA_NO_NODE); in copy_io()
1058 static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk) in copy_sighand() argument
1067 rcu_assign_pointer(tsk->sighand, sig); in copy_sighand()
1109 static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) in copy_signal() argument
1117 tsk->signal = sig; in copy_signal()
1126 sig->thread_head = (struct list_head)LIST_HEAD_INIT(tsk->thread_node); in copy_signal()
1127 tsk->thread_node = (struct list_head)LIST_HEAD_INIT(sig->thread_head); in copy_signal()
1130 sig->curr_target = tsk; in copy_signal()
1215 static void posix_cpu_timers_init(struct task_struct *tsk) in posix_cpu_timers_init() argument
1217 tsk->cputime_expires.prof_exp = 0; in posix_cpu_timers_init()
1218 tsk->cputime_expires.virt_exp = 0; in posix_cpu_timers_init()
1219 tsk->cputime_expires.sched_exp = 0; in posix_cpu_timers_init()
1220 INIT_LIST_HEAD(&tsk->cpu_timers[0]); in posix_cpu_timers_init()
1221 INIT_LIST_HEAD(&tsk->cpu_timers[1]); in posix_cpu_timers_init()
1222 INIT_LIST_HEAD(&tsk->cpu_timers[2]); in posix_cpu_timers_init()