181 	spin_lock_irq(&current->sighand->siglock);  in calculate_sigpending()
184 	spin_unlock_irq(&current->sighand->siglock);  in calculate_sigpending()
459 	spin_lock_irqsave(&t->sighand->siglock, flags);  in flush_signals()
463 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in flush_signals()
495 	spin_lock_irqsave(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
498 	spin_unlock_irqrestore(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
673 		spin_unlock(&tsk->sighand->siglock);  in dequeue_signal()
675 		spin_lock(&tsk->sighand->siglock);  in dequeue_signal()
818 	assert_spin_locked(&t->sighand->siglock);  in ptrace_trap_notify()
1034 	assert_spin_locked(&t->sighand->siglock);  in __send_signal()
1236 	spin_lock_irqsave(&t->sighand->siglock, flags);  in force_sig_info()
1254 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in force_sig_info()
1305 		spin_lock_irqsave(&sighand->siglock, *flags);  in __lock_task_sighand()
1308 		spin_unlock_irqrestore(&sighand->siglock, *flags);  in __lock_task_sighand()
1520 		spin_lock_irqsave(&p->sighand->siglock, flags);  in force_sigsegv()
1522 		spin_unlock_irqrestore(&p->sighand->siglock, flags);  in force_sigsegv()
1686 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
1823 	spin_lock_irqsave(&psig->siglock, flags);  in do_notify_parent()
1849 	spin_unlock_irqrestore(&psig->siglock, flags);  in do_notify_parent()
1914 	spin_lock_irqsave(&sighand->siglock, flags);  in do_notify_parent_cldstop()
1922 	spin_unlock_irqrestore(&sighand->siglock, flags);  in do_notify_parent_cldstop()
1971 	__releases(&current->sighand->siglock)  in ptrace_stop()
1972 	__acquires(&current->sighand->siglock)  in ptrace_stop()
1988 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1990 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2038 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2091 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2125 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
2127 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
2153 	__releases(&current->sighand->siglock)  in do_signal_stop()
2224 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2356 	spin_lock_irq(&sighand->siglock);  in get_signal()
2372 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2402 			spin_unlock_irq(&sighand->siglock);  in get_signal()
2466 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2473 				spin_lock_irq(&sighand->siglock);  in get_signal()
2488 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2516 	spin_unlock_irq(&sighand->siglock);  in get_signal()
2606 	spin_lock_irq(&tsk->sighand->siglock);  in exit_signals()
2626 	spin_unlock_irq(&tsk->sighand->siglock);  in exit_signals()
2701 	spin_lock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
2703 	spin_unlock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
2805 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
2808 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
3105 	spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3117 		spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3122 		spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3127 	spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3396 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
3408 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
3428 	spin_lock_irq(&p->sighand->siglock);  in do_sigaction()
3458 	spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
3987 	if (!spin_trylock(&t->sighand->siglock)) {  in kdb_send_sig()
3996 		spin_unlock(&t->sighand->siglock);  in kdb_send_sig()
4006 	spin_unlock(&t->sighand->siglock);  in kdb_send_sig()