131 	spin_lock(&child->sighand->siglock);  in __ptrace_unlink()
169 	spin_unlock(&child->sighand->siglock);  in __ptrace_unlink()
181 	spin_lock_irq(&task->sighand->siglock);  in ptrace_freeze_traced()
186 	spin_unlock_irq(&task->sighand->siglock);  in ptrace_freeze_traced()
202 	spin_lock_irq(&task->sighand->siglock);  in ptrace_unfreeze_traced()
209 	spin_unlock_irq(&task->sighand->siglock);  in ptrace_unfreeze_traced()
415 	spin_lock(&task->sighand->siglock);  in ptrace_attach()
438 	spin_unlock(&task->sighand->siglock);  in ptrace_attach()
496 	spin_lock(&sigh->siglock);  in ignoring_children()
499 	spin_unlock(&sigh->siglock);  in ignoring_children()
734 		spin_lock_irq(&child->sighand->siglock);  in ptrace_peek_siginfo()
742 		spin_unlock_irq(&child->sighand->siglock);  in ptrace_peek_siginfo()
847 		spin_lock_irq(&child->sighand->siglock);  in ptrace_resume()
851 		spin_unlock_irq(&child->sighand->siglock);  in ptrace_resume()
1081 		spin_lock_irq(&child->sighand->siglock);  in ptrace_request()
1083 		spin_unlock_irq(&child->sighand->siglock);  in ptrace_request()