196 	spin_lock_irq(&current->sighand->siglock);  in calculate_sigpending()
199 	spin_unlock_irq(&current->sighand->siglock);  in calculate_sigpending()
474 	spin_lock_irqsave(&t->sighand->siglock, flags);  in flush_signals()
478 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in flush_signals()
511 	spin_lock_irqsave(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
514 	spin_unlock_irqrestore(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
689 		spin_unlock(&tsk->sighand->siglock);  in dequeue_signal()
691 		spin_lock(&tsk->sighand->siglock);  in dequeue_signal()
878 	assert_spin_locked(&t->sighand->siglock);  in ptrace_trap_notify()
1073 	assert_spin_locked(&t->sighand->siglock);  in __send_signal()
1311 	spin_lock_irqsave(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1329 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1385 		spin_lock_irqsave(&sighand->siglock, *flags);  in __lock_task_sighand()
1388 		spin_unlock_irqrestore(&sighand->siglock, *flags);  in __lock_task_sighand()
1644 		spin_lock_irqsave(&p->sighand->siglock, flags);  in force_sigsegv()
1646 		spin_unlock_irqrestore(&p->sighand->siglock, flags);  in force_sigsegv()
1819 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
1968 	spin_lock_irqsave(&psig->siglock, flags);  in do_notify_parent()
1994 	spin_unlock_irqrestore(&psig->siglock, flags);  in do_notify_parent()
2059 	spin_lock_irqsave(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2067 	spin_unlock_irqrestore(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2116 	__releases(&current->sighand->siglock)  in ptrace_stop()
2117 	__acquires(&current->sighand->siglock)  in ptrace_stop()
2133 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2135 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2183 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2238 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2272 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
2274 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
2300 	__releases(&current->sighand->siglock)  in do_signal_stop()
2371 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2447 	__releases(&current->sighand->siglock)  in do_freezer_trap()
2456 		spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2468 	spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2541 	spin_lock_irq(&sighand->siglock);  in get_signal()
2557 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2599 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2611 			spin_unlock_irq(&sighand->siglock);  in get_signal()
2684 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2691 				spin_lock_irq(&sighand->siglock);  in get_signal()
2707 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2737 	spin_unlock_irq(&sighand->siglock);  in get_signal()
2827 	spin_lock_irq(&tsk->sighand->siglock);  in exit_signals()
2847 	spin_unlock_irq(&tsk->sighand->siglock);  in exit_signals()
2914 	spin_lock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
2916 	spin_unlock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
3067 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
3070 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
3453 	spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3465 		spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3470 		spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3475 	spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3928 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
3940 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
3960 	spin_lock_irq(&p->sighand->siglock);  in do_sigaction()
3990 	spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
4589 	if (!spin_trylock(&t->sighand->siglock)) {  in kdb_send_sig()
4598 		spin_unlock(&t->sighand->siglock);  in kdb_send_sig()
4608 	spin_unlock(&t->sighand->siglock);  in kdb_send_sig()