KVM: s390: change help text of guest Kconfig

The current help text for CONFIG_S390_GUEST is not very helpful.
Lets add more text.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 4c03049e7db9..bc581d8a7cd9 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -565,13 +565,16 @@ config ZFCPDUMP
           Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this.
 
 config S390_GUEST
-bool "s390 guest support (EXPERIMENTAL)"
+bool "s390 guest support for KVM (EXPERIMENTAL)"
         depends on 64BIT && EXPERIMENTAL
         select VIRTIO
         select VIRTIO_RING
         select VIRTIO_CONSOLE
         help
-          Select this option if you want to run the kernel under s390 linux
+          Select this option if you want to run the kernel as a guest under
+          the KVM hypervisor. This will add detection for KVM as well  as a
+          virtio transport. If KVM is detected, the virtio console will be
+          the default console.
 endmenu
 
 source "net/Kconfig"