unicore32, exec: remove redundant set_fs(USER_DS)
Mathias Krause [Tue, 15 Nov 2011 22:54:51 +0000 (14:54 -0800)]
The address limit is already set in flush_old_exec() so this
set_fs(USER_DS) is redundant.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>

arch/unicore32/include/asm/processor.h

index e11cb07..f0d780a 100644 (file)
@@ -53,7 +53,6 @@ struct thread_struct {
 #define start_thread(regs, pc, sp)                                     \
 ({                                                                     \
        unsigned long *stack = (unsigned long *)sp;                     \
-       set_fs(USER_DS);                                                \
        memset(regs->uregs, 0, sizeof(regs->uregs));                    \
        regs->UCreg_asr = USER_MODE;                                    \
        regs->UCreg_pc = pc & ~1;       /* pc */                        \