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* [S390] Add set_fs(USER_DS) to start_thread().
@ 2007-02-02 14:22 Martin Schwidefsky
0 siblings, 0 replies; only message in thread
From: Martin Schwidefsky @ 2007-02-02 14:22 UTC (permalink / raw)
To: linux-kernel, linux-s390; +Cc: heiko.carstens
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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2007-02-02 14:22 [S390] Add set_fs(USER_DS) to start_thread() Martin Schwidefsky
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