Commit c563077e authored Sep 03, 2005 by Heiko Carstens Committed by Linus Torvalds Sep 05, 2005

[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>

parent 2dee702f

arch/s390/kernel/entry64.S

+2 −2

Original line number	Diff line number	Diff line
		@@ -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