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-rw-r--r--arch/s390/kernel/entry64.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 5db5976ff594..fb77b72ab262 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -214,8 +214,8 @@ sysc_nr_ok:
sysc_do_restart:
larl %r10,sys_call_table
#ifdef CONFIG_S390_SUPPORT
- tm SP_PSW+3(%r15),0x01 # are we running in 31 bit mode ?
- jo sysc_noemu
+ tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ?
+ jno sysc_noemu
larl %r10,sys_call_table_emu # use 31 bit emulation system calls
sysc_noemu:
#endif
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