From: Carsten Otte <[EMAIL PROTECTED]>
From: Christian Borntraeger <[EMAIL PROTECTED]>
This patch adds the virtualization submenu and the kvm option to the kernel
config. It also defines HAVE_KVM for 64bit kernels.
Acked-by: Martin Schwidefsky <[EMAIL PROTECTED]>
Signed-off-by: Christian Borntraeger <[EMAIL PROTECTED]>
Signed-off-by: Carsten Otte <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
arch/s390/Kconfig | 3 +++
arch/s390/kvm/Kconfig | 43 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+), 0 deletions(-)
create mode 100644 arch/s390/kvm/Kconfig
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 3a6bfef..c43b250 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -66,6 +66,7 @@ config S390
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
+ select HAVE_KVM if 64BIT
source "init/Kconfig"
@@ -553,3 +554,5 @@ source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
+
+source "arch/s390/kvm/Kconfig"
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
new file mode 100644
index 0000000..2489b34
--- /dev/null
+++ b/arch/s390/kvm/Kconfig
@@ -0,0 +1,43 @@
+#
+# KVM configuration
+#
+config HAVE_KVM
+ bool
+
+menuconfig VIRTUALIZATION
+ bool "Virtualization"
+ default y
+ ---help---
+ Say Y here to get to see options for using your Linux host to run
other
+ operating systems inside virtual machines (guests).
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and
disabled.
+
+if VIRTUALIZATION
+
+config KVM
+ tristate "Kernel-based Virtual Machine (KVM) support"
+ depends on HAVE_KVM && EXPERIMENTAL
+ select PREEMPT_NOTIFIERS
+ select ANON_INODES
+ select S390_SWITCH_AMODE
+ select PREEMPT
+ ---help---
+ Support hosting paravirtualized guest machines using the SIE
+ virtualization capability on the mainframe. This should work
+ on any 64bit machine.
+
+ This module provides access to the hardware capabilities through
+ a character device node named /dev/kvm.
+
+ To compile this as a module, choose M here: the module
+ will be called kvm.
+
+ If unsure, say N.
+
+# OK, it's a little counter-intuitive to do this, but it puts it neatly under
+# the virtualization menu.
+source drivers/virtio/Kconfig
+
+endif # VIRTUALIZATION
--
1.5.5
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