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OpenCloudOS-Kernel
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sh, exec: remove redundant set_fs(USER_DS) 

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>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Mathias Krause 2011-06-10 13:10:48 +00:00 committed by Paul Mundt
parent 9aa7719e0c
commit 201fbceb25
2 changed files with 0 additions and 3 deletions
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1
arch/sh/include/asm/processor_64.h
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@ -150,7 +150,6 @@ struct thread_struct {
#define SR_USER (SR_MMU | SR_FD)
#define start_thread(_regs, new_pc, new_sp) \
set_fs(USER_DS); \
_regs->sr = SR_USER; /* User mode. */ \
_regs->pc = new_pc - 4; /* Compensate syscall exit */ \
_regs->pc |= 1; /* Set SHmedia ! */ \

2
arch/sh/kernel/process_32.c
View File

@ -102,8 +102,6 @@ EXPORT_SYMBOL(kernel_thread);
void start_thread(struct pt_regs *regs, unsigned long new_pc,
unsigned long new_sp)
{
set_fs(USER_DS);
regs->pr = 0;
regs->sr = SR_FD;
regs->pc = new_pc;