The XEN config option enables the Xen paravirt_ops interface, which is
installed when the kernel finds itself running under Xen.
Xen is no longer a sub-architecture, so the X86_XEN subarch config
option has gone.
Xen is currently incompatible with PREEMPT, but this is fixed up later
in the series.
Signed-off-by: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
Signed-off-by: Ian Pratt <[EMAIL PROTECTED]>
Signed-off-by: Christian Limpach <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
---
arch/i386/Kconfig | 2 ++
arch/i386/xen/Kconfig | 10 ++++++++++
2 files changed, 12 insertions(+)
===================================================================
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -216,6 +216,8 @@ config PARAVIRT
under a hypervisor, improving performance significantly.
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"
===================================================================
--- /dev/null
+++ b/arch/i386/xen/Kconfig
@@ -0,0 +1,10 @@
+#
+# This Kconfig describes xen options
+#
+
+config XEN
+ bool "Enable support for Xen hypervisor"
+ depends on PARAVIRT && HZ_100 && !PREEMPT && !NO_HZ
+ default y
+ help
+ This is the Linux Xen port.
--
-
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