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sh: Use generic init_task

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Same code. Use the generic version. The special Makefile treatment is
pointless anyway as init_task.o contains only data which is handled by
the linker script. So no point on being treated like head text.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Link: http://lkml.kernel.org/r/20120503085035.398257169@linutronix.de
This commit is contained in:
Thomas Gleixner 2012-05-03 09:02:59 +00:00
parent 842d7b1cca
commit 41fe22f655
4 changed files with 3 additions and 32 deletions
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1
arch/sh/Kconfig
View file

@ -29,6 +29,7 @@ config SUPERH
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
select GENERIC_SMP_IDLE_THREAD
select HAVE_GENERIC_INIT_TASK
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast

2
arch/sh/Makefile
View file

@ -124,7 +124,7 @@ endif
export ld-bfd BITS
head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
head-y := arch/sh/kernel/head_$(BITS).o
core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/

2
arch/sh/kernel/Makefile
View file

@ -2,7 +2,7 @@
# Makefile for the Linux/SuperH kernel.
#
extra-y := head_$(BITS).o init_task.o vmlinux.lds
extra-y := head_$(BITS).o vmlinux.lds
ifdef CONFIG_FUNCTION_TRACER
# Do not profile debug and lowlevel utilities

30
arch/sh/kernel/init_task.c
View file

@ -1,30 +0,0 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/init_task.h>
#include <linux/mqueue.h>
#include <linux/fs.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct pt_regs fake_swapper_regs;
/*
* Initial thread structure.
*
* We need to make sure that this is 8192-byte aligned due to the
* way process stacks are handled. This is done by having a special
* "init_task" linker map entry..
*/
union thread_union init_thread_union __init_task_data =
{ INIT_THREAD_INFO(init_task) };
/*
* Initial task structure.
*
* All other task structs will be allocated on slabs in fork.c
*/
struct task_struct init_task = INIT_TASK(init_task);
EXPORT_SYMBOL(init_task);