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-rw-r--r--arch/s390/kernel/head.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 59b7c6470567..63c77fdb619e 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -370,6 +370,7 @@ ENTRY(startup_kdump)
xc 0x200(256),0x200 # partially clear lowcore
xc 0x300(256),0x300
xc 0xe00(256),0xe00
+ lctlg %c0,%c15,0x200(%r0) # initialize control registers
stck __LC_LAST_UPDATE_CLOCK
spt 6f-.LPG0(%r13)
mvc __LC_LAST_UPDATE_TIMER(8),6f-.LPG0(%r13)