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authorHeiko Carstens <heiko.carstens@de.ibm.com>2005-09-03 15:58:04 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:29 -0700
commitc563077e526d130b8c9aab4e75116551eb5fdc2d (patch)
treed4296f485f97a1d56db6eda5c7ad7b28a14be454 /arch/s390
parent2dee702fcb197d80c1a94650fb611539dd8135ce (diff)
downloadblackbird-op-linux-c563077e526d130b8c9aab4e75116551eb5fdc2d.tar.gz
blackbird-op-linux-c563077e526d130b8c9aab4e75116551eb5fdc2d.zip
[PATCH] s390: compat system calls
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@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/s390')
-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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