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-rw-r--r--arch/s390/mm/fault.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index e46ba292742..6e922b50efa 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -613,7 +613,7 @@ static int __init pfault_irq_init(void)
rc = pfault_init() == 0 ? 0 : -EOPNOTSUPP;
if (rc)
goto out_pfault;
- ctl_set_bit(0, 9);
+ service_subclass_irq_register();
hotcpu_notifier(pfault_cpu_notify, 0);
return 0;