xen: configuration

Put config options for Xen after the core pieces are in place.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index c7c9c2a15fab4dc87f7d16db27d14b82b04926dd..7a11b905ef49d0949c23d80a985fae3c400528c0 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -222,6 +222,8 @@ config PARAVIRT
          However, when run without a hypervisor the kernel is
          theoretically slower.  If in doubt, say N.
 
+source "arch/i386/xen/Kconfig"
+
 config VMI
        bool "VMI Paravirt-ops support"
        depends on PARAVIRT

diff --git a/arch/i386/xen/Kconfig b/arch/i386/xen/Kconfig
new file mode 100644 (file)
index 0000000..7c55500
--- /dev/null
+++ b/arch/i386/xen/Kconfig
@@ -0,0 +1,11 @@
+#
+# This Kconfig describes xen options
+#
+
+config XEN
+       bool "Enable support for Xen hypervisor"
+       depends on PARAVIRT && X86_CMPXCHG && X86_TSC && !(PREEMPT || SMP || NEED_MULTIPLE_NODES)
+       help
+         This is the Linux Xen port.  Enabling this will allow the
+         kernel to boot in a paravirtualized environment under the
+         Xen hypervisor.