1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index cabfa97f4674..c1c8566c6840 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -180,6 +180,17 @@ config XEN_PRIVCMD
         depends on XEN
         default m
 
+config XEN_STUB
+        bool "Xen stub drivers"
+        depends on XEN && X86_64
+        default n
+        help
+          Allow kernel to install stub drivers, to reserve space for Xen drivers,
+          i.e. memory hotplug and cpu hotplug, and to block native drivers loaded,
+          so that real Xen drivers can be modular.
+
+          To enable Xen features like cpu and memory hotplug, select Y here.
+
 config XEN_ACPI_PROCESSOR
         tristate "Xen ACPI processor"
         depends on XEN && X86 && ACPI_PROCESSOR && CPU_FREQ