430 	spin_lock_irqsave(&t->sighand->siglock, flags);  in flush_signals()
432 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in flush_signals()
463 	spin_lock_irqsave(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
466 	spin_unlock_irqrestore(&tsk->sighand->siglock, flags);  in flush_itimer_signals()
525 	spin_lock_irqsave(&current->sighand->siglock, flags);  in block_all_signals()
529 	spin_unlock_irqrestore(&current->sighand->siglock, flags);  in block_all_signals()
539 	spin_lock_irqsave(&current->sighand->siglock, flags);  in unblock_all_signals()
543 	spin_unlock_irqrestore(&current->sighand->siglock, flags);  in unblock_all_signals()
672 		spin_unlock(&tsk->sighand->siglock);  in dequeue_signal()
674 		spin_lock(&tsk->sighand->siglock);  in dequeue_signal()
819 	assert_spin_locked(&t->sighand->siglock);  in ptrace_trap_notify()
1031 	assert_spin_locked(&t->sighand->siglock);  in __send_signal()
1217 	spin_lock_irqsave(&t->sighand->siglock, flags);  in force_sig_info()
1231 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in force_sig_info()
1289 		spin_lock(&sighand->siglock);  in __lock_task_sighand()
1294 		spin_unlock(&sighand->siglock);  in __lock_task_sighand()
1502 		spin_lock_irqsave(&p->sighand->siglock, flags);  in force_sigsegv()
1504 		spin_unlock_irqrestore(&p->sighand->siglock, flags);  in force_sigsegv()
1550 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
1682 	spin_lock_irqsave(&psig->siglock, flags);  in do_notify_parent()
1708 	spin_unlock_irqrestore(&psig->siglock, flags);  in do_notify_parent()
1772 	spin_lock_irqsave(&sighand->siglock, flags);  in do_notify_parent_cldstop()
1780 	spin_unlock_irqrestore(&sighand->siglock, flags);  in do_notify_parent_cldstop()
1829 	__releases(&current->sighand->siglock)  in ptrace_stop()
1830 	__acquires(&current->sighand->siglock)  in ptrace_stop()
1846 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1848 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
1883 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1936 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
1970 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
1972 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
1998 	__releases(&current->sighand->siglock)  in do_signal_stop()
2069 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2201 	spin_lock_irq(&sighand->siglock);  in get_signal()
2217 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2247 			spin_unlock_irq(&sighand->siglock);  in get_signal()
2311 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2318 				spin_lock_irq(&sighand->siglock);  in get_signal()
2333 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2361 	spin_unlock_irq(&sighand->siglock);  in get_signal()
2451 	spin_lock_irq(&tsk->sighand->siglock);  in exit_signals()
2471 	spin_unlock_irq(&tsk->sighand->siglock);  in exit_signals()
2542 	spin_lock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
2544 	spin_unlock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
2663 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
2666 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
2829 	spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
2841 		spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
2845 		spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
2850 	spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3085 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
3097 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
3112 	spin_lock_irq(&p->sighand->siglock);  in do_sigaction()
3140 	spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
3652 	if (!spin_trylock(&t->sighand->siglock)) {  in kdb_send_sig_info()
3658 	spin_unlock(&t->sighand->siglock);  in kdb_send_sig_info()