LOCKDOWN_IOPORT 36 arch/x86/kernel/ioport.c security_locked_down(LOCKDOWN_IOPORT))) LOCKDOWN_IOPORT 132 arch/x86/kernel/ioport.c security_locked_down(LOCKDOWN_IOPORT)) LOCKDOWN_IOPORT 27 security/lockdown/lockdown.c [LOCKDOWN_IOPORT] = "raw io port access",