[PATCH] s390, exec: remove redundant set_fs(USER_DS)

From: Mathias Krause
Date: Fri Jun 10 2011 - 09:10:37 EST


The address limit is already set in flush_old_exec() so those calls to
set_fs(USER_DS) are redundant.

Signed-off-by: Mathias Krause <minipli@xxxxxxxxxxxxxx>
---
arch/s390/include/asm/processor.h | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 1300c30..4164533 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -118,14 +118,12 @@ struct stack_frame {
* Do necessary setup to start up a new thread.
*/
#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; \
} 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 | PSW_ADDR_AMODE; \
regs->gprs[15] = new_stackp; \
--
1.5.6.5

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