1 files changed, 3 insertions, 25 deletions

diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index a816e2de32b9..db476d114caa 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -10,34 +10,13 @@
  *
  */
 
-#
-# startup-code at 0x10000, running in absolute addressing mode
-# this is called either by the ipl loader or directly by PSW restart
-# or linload or SALIPL
-#
-        .org    0x10000
-startup:basr    %r13,0                  # get base
-.LPG0:  l       %r13,0f-.LPG0(%r13)
-        b       0(%r13)
-0:      .long   startup_continue
-
-#
-# params at 10400 (setup.h)
-#
-        .org    PARMAREA
-        .long   0,0                     # IPL_DEVICE
-        .long   0,0                     # INITRD_START
-        .long   0,0                     # INITRD_SIZE
-
-        .org    COMMAND_LINE
-        .byte   "root=/dev/ram0 ro"
-        .byte   0
-
         .org    0x11000
 
 startup_continue:
         basr    %r13,0                  # get base
-.LPG1:  mvi     __LC_AR_MODE_ID,0       # set ESA flag (mode 0)
+.LPG1:
+
+        mvi     __LC_AR_MODE_ID,0       # set ESA flag (mode 0)
         lctl    %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
         l       %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
                                         # move IPL device to lowcore
@@ -50,7 +29,6 @@ startup_continue:
         ahi     %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union+THREAD_SIZE
         st      %r15,__LC_KERNEL_STACK  # set end of kernel stack
         ahi     %r15,-96
-        xc      __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain
 #
 # Save ipl parameters, clear bss memory, initialize storage key for kernel pages,
 # and create a kernel NSS if the SAVESYS= parm is defined