196 	spin_lock_irq(&current->sighand->siglock);  in calculate_sigpending()
199 	spin_unlock_irq(&current->sighand->siglock);  in calculate_sigpending()
480 	spin_lock_irqsave(&t->sighand->siglock, flags);  in flush_signals()
484 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in flush_signals()
517 	spin_lock_irqsave(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
520 	spin_unlock_irqrestore(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
695 		spin_unlock(&tsk->sighand->siglock);  in dequeue_signal()
697 		spin_lock(&tsk->sighand->siglock);  in dequeue_signal()
884 	assert_spin_locked(&t->sighand->siglock);  in ptrace_trap_notify()
1079 	assert_spin_locked(&t->sighand->siglock);  in __send_signal()
1317 	spin_lock_irqsave(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1335 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1391 		spin_lock_irqsave(&sighand->siglock, *flags);  in __lock_task_sighand()
1394 		spin_unlock_irqrestore(&sighand->siglock, *flags);  in __lock_task_sighand()
1646 		spin_lock_irqsave(&p->sighand->siglock, flags);  in force_sigsegv()
1648 		spin_unlock_irqrestore(&p->sighand->siglock, flags);  in force_sigsegv()
1821 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
1970 	spin_lock_irqsave(&psig->siglock, flags);  in do_notify_parent()
2000 	spin_unlock_irqrestore(&psig->siglock, flags);  in do_notify_parent()
2065 	spin_lock_irqsave(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2073 	spin_unlock_irqrestore(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2122 	__releases(&current->sighand->siglock)  in ptrace_stop()
2123 	__acquires(&current->sighand->siglock)  in ptrace_stop()
2139 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2141 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2189 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2244 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2278 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
2280 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
2306 	__releases(&current->sighand->siglock)  in do_signal_stop()
2377 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2453 	__releases(&current->sighand->siglock)  in do_freezer_trap()
2462 		spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2474 	spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2544 	spin_lock_irq(&sighand->siglock);  in get_signal()
2561 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2581 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2623 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2635 			spin_unlock_irq(&sighand->siglock);  in get_signal()
2708 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2715 				spin_lock_irq(&sighand->siglock);  in get_signal()
2731 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2761 	spin_unlock_irq(&sighand->siglock);  in get_signal()
2851 	spin_lock_irq(&tsk->sighand->siglock);  in exit_signals()
2871 	spin_unlock_irq(&tsk->sighand->siglock);  in exit_signals()
2938 	spin_lock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
2940 	spin_unlock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
3091 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
3094 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
3477 	spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3489 		spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3494 		spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3499 	spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3952 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
3964 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
3984 	spin_lock_irq(&p->sighand->siglock);  in do_sigaction()
4014 	spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
4613 	if (!spin_trylock(&t->sighand->siglock)) {  in kdb_send_sig()
4622 		spin_unlock(&t->sighand->siglock);  in kdb_send_sig()
4632 	spin_unlock(&t->sighand->siglock);  in kdb_send_sig()