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unicore32: 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>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Link: http://lkml.kernel.org/r/20120503085035.669622065@linutronix.de
This commit is contained in:
Thomas Gleixner 2012-05-03 09:03:00 +00:00
parent 293ef7b828
commit d0b691dffa
4 changed files with 2 additions and 46 deletions
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1
arch/unicore32/Kconfig
View file

@ -13,6 +13,7 @@ config UNICORE32
select GENERIC_IRQ_SHOW
select ARCH_WANT_FRAME_POINTERS
select GENERIC_IOMAP
select HAVE_GENERIC_INIT_TASK
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip

1
arch/unicore32/Makefile
View file

@ -33,7 +33,6 @@ endif
CHECKFLAGS += -D__unicore32__
head-y := arch/unicore32/kernel/head.o
head-y += arch/unicore32/kernel/init_task.o
core-y += arch/unicore32/kernel/
core-y += arch/unicore32/mm/

2
arch/unicore32/kernel/Makefile
View file

@ -29,4 +29,4 @@ obj-$(CONFIG_PUV3_NB0916) += puv3-nb0916.o
head-y := head.o
obj-$(CONFIG_DEBUG_LL) += debug.o
extra-y := $(head-y) init_task.o vmlinux.lds
extra-y := $(head-y) vmlinux.lds

44
arch/unicore32/kernel/init_task.c
View file

@ -1,44 +0,0 @@
/*
* linux/arch/unicore32/kernel/init_task.c
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/init_task.h>
#include <linux/mqueue.h>
#include <linux/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);
/*
* 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 making sure
* the linker maps this in the .text segment right after head.S,
* and making head.S ensure the proper alignment.
*
* The things we do for performance..
*/
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);