MAINTAINERS: Mark XEN lists as moderated

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index acf13f2..6a16f21 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6598,14 +6598,14 @@
 
 XEN PCI SUBSYSTEM
 M:	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-L:	xen-devel@lists.xensource.com
+L:	xen-devel@lists.xensource.com (moderated for non-subscribers)
 S:	Supported
 F:	arch/x86/pci/*xen*
 F:	drivers/pci/*xen*
 
 XEN SWIOTLB SUBSYSTEM
 M:	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-L:	xen-devel@lists.xensource.com
+L:	xen-devel@lists.xensource.com (moderated for non-subscribers)
 S:	Supported
 F:	arch/x86/xen/*swiotlb*
 F:	drivers/xen/*swiotlb*
@@ -6613,7 +6613,7 @@
 XEN HYPERVISOR INTERFACE
 M:	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
 M:	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-L:	xen-devel@lists.xensource.com
+L:	xen-devel@lists.xensource.com (moderated for non-subscribers)
 L:	virtualization@lists.osdl.org
 S:	Supported
 F:	arch/x86/xen/