197 	spin_lock_irq(&current->sighand->siglock);  in calculate_sigpending()
200 	spin_unlock_irq(&current->sighand->siglock);  in calculate_sigpending()
482 	spin_lock_irqsave(&t->sighand->siglock, flags);  in flush_signals()
486 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in flush_signals()
519 	spin_lock_irqsave(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
522 	spin_unlock_irqrestore(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
704 		spin_unlock(&tsk->sighand->siglock);  in dequeue_signal()
706 		spin_lock(&tsk->sighand->siglock);  in dequeue_signal()
771 	lockdep_assert_held(&t->sighand->siglock);  in signal_wake_up_state()
896 	lockdep_assert_held(&t->sighand->siglock);  in ptrace_trap_notify()
1092 	lockdep_assert_held(&t->sighand->siglock);  in __send_signal_locked()
1344 	spin_lock_irqsave(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1365 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1423 		spin_lock_irqsave(&sighand->siglock, *flags);  in __lock_task_sighand()
1426 		spin_unlock_irqrestore(&sighand->siglock, *flags);  in __lock_task_sighand()
1441 		lockdep_assert_held(&sighand->siglock);  in lockdep_assert_task_sighand_held()
1956 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
2121 	spin_lock_irqsave(&psig->siglock, flags);  in do_notify_parent()
2151 	spin_unlock_irqrestore(&psig->siglock, flags);  in do_notify_parent()
2216 	spin_lock_irqsave(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2224 	spin_unlock_irqrestore(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2241 	__releases(&current->sighand->siglock)  in ptrace_stop()
2242 	__acquires(&current->sighand->siglock)  in ptrace_stop()
2255 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2257 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2314 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2349 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2389 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
2391 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
2418 	__releases(&current->sighand->siglock)  in do_signal_stop()
2491 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2566 	__releases(&current->sighand->siglock)  in do_freezer_trap()
2575 		spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2587 	spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2684 	spin_lock_irq(&sighand->siglock);  in get_signal()
2701 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2746 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2758 			spin_unlock_irq(&sighand->siglock);  in get_signal()
2834 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2841 				spin_lock_irq(&sighand->siglock);  in get_signal()
2857 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2895 	spin_unlock_irq(&sighand->siglock);  in get_signal()
2993 	spin_lock_irq(&tsk->sighand->siglock);  in exit_signals()
3014 	spin_unlock_irq(&tsk->sighand->siglock);  in exit_signals()
3081 	spin_lock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
3083 	spin_unlock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
3234 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
3237 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
3626 	spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3638 		spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3643 		spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3648 	spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
4102 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
4114 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
4134 	spin_lock_irq(&p->sighand->siglock);  in do_sigaction()
4136 		spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
4184 	spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
4190 	__acquires(&current->sighand->siglock)  in sigaltstack_lock()
4192 	spin_lock_irq(&current->sighand->siglock);  in sigaltstack_lock()
4196 	__releases(&current->sighand->siglock)  in sigaltstack_unlock()
4198 	spin_unlock_irq(&current->sighand->siglock);  in sigaltstack_unlock()
4833 	if (!spin_trylock(&t->sighand->siglock)) {  in kdb_send_sig()
4842 		spin_unlock(&t->sighand->siglock);  in kdb_send_sig()
4852 	spin_unlock(&t->sighand->siglock);  in kdb_send_sig()