191 	spin_lock_irq(&current->sighand->siglock);  in calculate_sigpending()
194 	spin_unlock_irq(&current->sighand->siglock);  in calculate_sigpending()
497 	spin_lock_irqsave(&t->sighand->siglock, flags);  in flush_signals()
501 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in flush_signals()
624 	lockdep_assert_held(&tsk->sighand->siglock);  in dequeue_signal()
723 	lockdep_assert_held(&t->sighand->siglock);  in signal_wake_up_state()
754 	lockdep_assert_held(&p->sighand->siglock);  in flush_sigqueue_mask()
855 	lockdep_assert_held(&t->sighand->siglock);  in ptrace_trap_notify()
1050 	lockdep_assert_held(&t->sighand->siglock);  in __send_signal_locked()
1302 	spin_lock_irqsave(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1324 	spin_unlock_irqrestore(&t->sighand->siglock, flags);  in force_sig_info_to_task()
1380 		spin_lock_irqsave(&sighand->siglock, *flags);  in __lock_task_sighand()
1383 		spin_unlock_irqrestore(&sighand->siglock, *flags);  in __lock_task_sighand()
1398 		lockdep_assert_held(&sighand->siglock);  in lockdep_assert_task_sighand_held()
1927 	guard(spinlock_irqsave)(&tsk->sighand->siglock);  in flush_itimer_signals()
2231 	spin_lock_irqsave(&psig->siglock, flags);  in do_notify_parent()
2261 	spin_unlock_irqrestore(&psig->siglock, flags);  in do_notify_parent()
2326 	spin_lock_irqsave(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2334 	spin_unlock_irqrestore(&sighand->siglock, flags);  in do_notify_parent_cldstop()
2351 	__releases(&current->sighand->siglock)  in ptrace_stop()
2352 	__acquires(&current->sighand->siglock)  in ptrace_stop()
2365 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2367 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2424 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2482 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2522 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
2524 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
2551 	__releases(&current->sighand->siglock)  in do_signal_stop()
2622 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2697 	__releases(&current->sighand->siglock)  in do_freezer_trap()
2706 		spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2718 	spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2823 	spin_lock_irq(&sighand->siglock);  in get_signal()
2840 		spin_unlock_irq(&sighand->siglock);  in get_signal()
2888 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2900 			spin_unlock_irq(&sighand->siglock);  in get_signal()
2975 				spin_unlock_irq(&sighand->siglock);  in get_signal()
2982 				spin_lock_irq(&sighand->siglock);  in get_signal()
2998 		spin_unlock_irq(&sighand->siglock);  in get_signal()
3037 	spin_unlock_irq(&sighand->siglock);  in get_signal()
3134 	spin_lock_irq(&tsk->sighand->siglock);  in exit_signals()
3155 	spin_unlock_irq(&tsk->sighand->siglock);  in exit_signals()
3222 	spin_lock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
3224 	spin_unlock_irq(&tsk->sighand->siglock);  in __set_current_blocked()
3375 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
3378 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
3767 	spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3779 		spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3784 		spin_lock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
3789 	spin_unlock_irq(&tsk->sighand->siglock);  in do_sigtimedwait()
4277 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
4289 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
4309 	spin_lock_irq(&p->sighand->siglock);  in do_sigaction()
4311 		spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
4363 	spin_unlock_irq(&p->sighand->siglock);  in do_sigaction()
4369 	__acquires(&current->sighand->siglock)  in sigaltstack_lock()
4371 	spin_lock_irq(&current->sighand->siglock);  in sigaltstack_lock()
4375 	__releases(&current->sighand->siglock)  in sigaltstack_unlock()
4377 	spin_unlock_irq(&current->sighand->siglock);  in sigaltstack_unlock()
5011 	if (!spin_trylock(&t->sighand->siglock)) {  in kdb_send_sig()
5020 		spin_unlock(&t->sighand->siglock);  in kdb_send_sig()
5030 	spin_unlock(&t->sighand->siglock);  in kdb_send_sig()