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Subject[PATCH] parisc, exec: remove redundant set_fs(USER_DS)
Date
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@googlemail.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
---
arch/parisc/include/asm/processor.h | 2 --
arch/parisc/kernel/process.c | 1 -
2 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 9ce66e9..7213ec9 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -196,7 +196,6 @@ typedef unsigned int elf_caddr_t;
/* offset pc for priv. level */ \
pc |= 3; \
\
- set_fs(USER_DS); \
regs->iasq[0] = spaceid; \
regs->iasq[1] = spaceid; \
regs->iaoq[0] = pc; \
@@ -299,7 +298,6 @@ on downward growing arches, it looks like this:
elf_addr_t pc = (elf_addr_t)new_pc | 3; \
elf_caddr_t *argv = (elf_caddr_t *)bprm->exec + 1; \
\
- set_fs(USER_DS); \
regs->iasq[0] = spaceid; \
regs->iasq[1] = spaceid; \
regs->iaoq[0] = pc; \
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 4b4b918..62c60b8 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -192,7 +192,6 @@ void flush_thread(void)
/* Only needs to handle fpu stuff or perf monitors.
** REVISIT: several arches implement a "lazy fpu state".
*/
- set_fs(USER_DS);
}

void release_thread(struct task_struct *dead_task)
--
1.5.6.5


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