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authorChristian Borntraeger <borntraeger@de.ibm.com>2008-03-25 18:47:36 +0100
committerAvi Kivity <avi@qumranet.com>2008-04-27 12:00:47 +0300
commit77b455f1bcfa0fddb31b8e6f9f2adc246acb4216 (patch)
treef16f4479739b1de7752c12363efbf82034258a5b /arch/s390/kvm/Kconfig
parente28acfea5dd9dbc67c2594cbefc140129dbd0e3f (diff)
downloadlinux-linaro-stable-77b455f1bcfa0fddb31b8e6f9f2adc246acb4216.tar.gz
KVM: s390: add kvm to kconfig on s390
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 <schwidefsky@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/s390/kvm/Kconfig')
-rw-r--r--arch/s390/kvm/Kconfig43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
new file mode 100644
index 000000000000..2489b341a00b
--- /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