From: Heiko Carstens Use TIF bit to tell if a process is running in 31 bit mode instead of checking the addressing mode bits of the PSW. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky Signed-off-by: Andrew Morton --- arch/s390/kernel/entry64.S | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff -puN arch/s390/kernel/entry64.S~s390-compat-system-calls arch/s390/kernel/entry64.S --- devel/arch/s390/kernel/entry64.S~s390-compat-system-calls 2005-08-29 23:58:35.000000000 -0700 +++ devel-akpm/arch/s390/kernel/entry64.S 2005-08-29 23:58:35.000000000 -0700 @@ -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 _