[S390] Add set_fs(USER_DS) to start_thread().

[Martin Schwidefsky <schwidefsky@de.ibm.com>]

From: Heiko Carstens <heiko.carstens@de.ibm.com>

[S390] Add set_fs(USER_DS) to start_thread().

Currently works anyway since search_binary_handler has a
set_fs(USER_DS). But start_thread() is the place where this should be
done. Following all other architectures...

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

 include/asm-s390/processor.h |    3 +++
 1 files changed, 3 insertions(+)

diff -urpN linux-2.6/include/asm-s390/processor.h linux-2.6-patched/include/asm-s390/processor.h
--- linux-2.6/include/asm-s390/processor.h	2007-02-02 14:04:34.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/processor.h	2007-02-02 14:04:42.000000000 +0100
@@ -144,6 +144,7 @@ struct stack_frame {
 #ifndef __s390x__
 
 #define start_thread(regs, new_psw, new_stackp) do {            \
+	set_fs(USER_DS);					\
         regs->psw.mask  = PSW_USER_BITS;                        \
         regs->psw.addr  = new_psw | PSW_ADDR_AMODE;             \
         regs->gprs[15]  = new_stackp ;                          \
@@ -152,12 +153,14 @@ struct stack_frame {
 #else /* __s390x__ */
 
 #define start_thread(regs, new_psw, new_stackp) do {            \
+	set_fs(USER_DS);					\
         regs->psw.mask  = PSW_USER_BITS;                        \
         regs->psw.addr  = new_psw;                              \
         regs->gprs[15]  = new_stackp;                           \
 } while (0)
 
 #define start_thread31(regs, new_psw, new_stackp) do {          \
+	set_fs(USER_DS);					\
 	regs->psw.mask  = PSW_USER32_BITS;			\
         regs->psw.addr  = new_psw;                              \
         regs->gprs[15]  = new_stackp;                           \
-
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