xen/arm: introduce CONFIG_XEN on ARM

Changes in v5:

- make XEN_DOM0 depend on XEN;
- avoid "select XEN_DOM0" in XEN.

Changes in v2:

- mark Xen guest support on ARM as EXPERIMENTAL.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: Sergei Shtylyov <sshtylyov@mvista.com>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2a33cfa8fe90e937dfd2e320d99ecd2bfdd683cd..57adfbe3d659344f0d8f99f4c686abb98b71f825 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1930,6 +1930,16 @@ config DEPRECATED_PARAM_STRUCT
          This was deprecated in 2001 and announced to live on for 5 years.
          Some old boot loaders still use this way.
 
+config XEN_DOM0
+       def_bool y
+       depends on XEN
+
+config XEN
+       bool "Xen guest support on ARM (EXPERIMENTAL)"
+       depends on EXPERIMENTAL && ARM && OF
+       help
+         Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
+
 endmenu
 
 menu "Boot options"