register_callback  126 arch/x86/xen/setup.c 	ret = register_callback(CALLBACKTYPE_sysenter, xen_sysenter_target);
register_callback  138 arch/x86/xen/setup.c 	ret = register_callback(CALLBACKTYPE_syscall, xen_syscall_target);
register_callback  146 arch/x86/xen/setup.c 		ret = register_callback(CALLBACKTYPE_syscall32,
register_callback  165 arch/x86/xen/setup.c 	if (register_callback(CALLBACKTYPE_event, xen_hypervisor_callback) ||
register_callback  166 arch/x86/xen/setup.c 	    register_callback(CALLBACKTYPE_failsafe, xen_failsafe_callback))