1 files changed, 11 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 68e7694c0ac7..a2d8805c03d5 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -823,6 +823,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
         hlt             [BUGS=ARM,SH]
 
+        hvc_iucv=       [S390] Number of z/VM IUCV Hypervisor console (HVC)
+                               back-ends. Valid parameters: 0..8
+
         i8042.debug     [HW] Toggle i8042 debug mode
         i8042.direct    [HW] Put keyboard port into non-translated mode
         i8042.dumbkbd   [HW] Pretend that controller can only read data from
@@ -2292,6 +2295,14 @@ and is between 256 and 4096 characters. It is defined in the file
                         See comment before function dc390_setup() in
                         drivers/scsi/tmscsim.c.
 
+        topology=       [S390]
+                        Format: {off | on}
+                        Specify if the kernel should make use of the cpu
+                        topology informations if the hardware supports these.
+                        The scheduler will make use of these informations and
+                        e.g. base its process migration decisions on it.
+                        Default is off.
+
         tp720=          [HW,PS2]
 
         trix=           [HW,OSS] MediaTrix AudioTrix Pro