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-rw-r--r--arch/s390/kernel/head31.S1
-rw-r--r--arch/s390/kernel/head64.S1
2 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index 7add8454773b..db476d114caa 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -29,7 +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
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index b1a8ceb522b1..3ccd36b24b8f 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -96,7 +96,6 @@ startup_continue:
aghi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE
stg %r15,__LC_KERNEL_STACK # set end of kernel stack
aghi %r15,-160
- 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