[patch 8/10] s390: compat system calls.

[Martin Schwidefsky]

[patch 8/10] s390: compat system calls.

From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>

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 <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>

diffstat:
 arch/s390/kernel/entry64.S |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -urpN linux-2.6/arch/s390/kernel/entry64.S linux-2.6-patched/arch/s390/kernel/entry64.S
--- linux-2.6/arch/s390/kernel/entry64.S	2005-08-29 19:18:06.000000000 +0200
+++ linux-2.6-patched/arch/s390/kernel/entry64.S	2005-08-29 19:18:11.000000000 +0200
@@ -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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