From: Mathias Krause <minipli@xxxxxxxxxxxxxx>
Subject: ia64, exec: remove redundant set_fs(USER_DS)
The address limit is already set in flush_old_exec() so this
set_fs(USER_DS) is redundant.
Signed-off-by: Mathias Krause <minipli@xxxxxxxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/ia64/include/asm/processor.h | 1 -
1 file changed, 1 deletion(-)
diff -puN arch/ia64/include/asm/processor.h~ia64-exec-remove-redundant-set_fsuser_ds arch/ia64/include/asm/processor.h
--- a/arch/ia64/include/asm/processor.h~ia64-exec-remove-redundant-set_fsuser_ds
+++ a/arch/ia64/include/asm/processor.h
@@ -309,7 +309,6 @@ struct thread_struct {
}
#define start_thread(regs,new_ip,new_sp) do { \
- set_fs(USER_DS); \
regs->cr_ipsr = ((regs->cr_ipsr | (IA64_PSR_BITS_TO_SET | IA64_PSR_CPL)) \
& ~(IA64_PSR_BITS_TO_CLEAR | IA64_PSR_RI | IA64_PSR_IS)); \
regs->cr_iip = new_ip; \
_
--
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