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Commit b7de1100 authored by Mathias Krause's avatar Mathias Krause Committed by Linus Torvalds
Browse files

m68k, 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: default avatarMathias Krause <minipli@googlemail.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f7960625

arch/m68k/include/asm/processor.h

+0 −4
Original line number Diff line number Diff line
@@ -105,9 +105,6 @@ struct thread_struct { 
static inline void start_thread(struct pt_regs * regs, unsigned long pc,

				unsigned long usp)

{

	/* reads from user space */

	set_fs(USER_DS);



	regs->pc = pc;

	regs->sr &= ~0x2000;

	wrusp(usp);
@@ -129,7 +126,6 @@ extern int handle_kernel_fault(struct pt_regs *regs); 


#define start_thread(_regs, _pc, _usp)                  \

do {                                                    \

	set_fs(USER_DS); /* reads from user space */    \

	(_regs)->pc = (_pc);                            \

	((struct switch_stack *)(_regs))[-1].a6 = 0;    \

	reformat(_regs);                                \

arch/m68k/kernel/process_mm.c

+1 −1
Original line number Diff line number Diff line
@@ -185,7 +185,7 @@ EXPORT_SYMBOL(kernel_thread); 
void flush_thread(void)

{

	unsigned long zero = 0;

	set_fs(USER_DS);



	current->thread.fs = __USER_DS;

	if (!FPU_IS_EMU)

		asm volatile (".chip 68k/68881\n\t"

arch/m68k/kernel/process_no.c

+1 −1
Original line number Diff line number Diff line
@@ -158,7 +158,7 @@ void flush_thread(void) 
#ifdef CONFIG_FPU

	unsigned long zero = 0;

#endif

	set_fs(USER_DS);



	current->thread.fs = __USER_DS;

#ifdef CONFIG_FPU

	if (!FPU_IS_EMU)