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-rw-r--r--arch/s390/kernel/head64.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index ae5d492b069e..99348c0eaa41 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -90,7 +90,7 @@ ENTRY(_stext)
.LPG3:
# check control registers
stctg %c0,%c15,0(%r15)
- oi 6(%r15),0x40 # enable sigp emergency signal
+ oi 6(%r15),0x60 # enable sigp emergency & external call
oi 4(%r15),0x10 # switch on low address proctection
lctlg %c0,%c15,0(%r15)