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openrisc: Use generic init_task 

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: Jonas Bonn <jonas@southpole.se>
Link: http://lkml.kernel.org/r/20120503085035.083343435@linutronix.de
This commit is contained in:
Thomas Gleixner 2012-05-03 09:02:56 +00:00
parent fe285f523b
commit cf5e6def83
4 changed files with 3 additions and 44 deletions
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1
arch/openrisc/Kconfig
View File

@ -17,6 +17,7 @@ config OPENRISC
select GENERIC_IOMAP
select GENERIC_CPU_DEVICES
select GENERIC_ATOMIC64
select HAVE_GENERIC_INIT_TASK
config MMU
def_bool y

2
arch/openrisc/Makefile
View File

@ -38,7 +38,7 @@ else
KBUILD_CFLAGS += $(call cc-option,-msoft-div)
endif
head-y := arch/openrisc/kernel/head.o arch/openrisc/kernel/init_task.o
head-y := arch/openrisc/kernel/head.o
core-y += arch/openrisc/lib/ \
arch/openrisc/kernel/ \

2
arch/openrisc/kernel/Makefile
View File

@ -2,7 +2,7 @@
# Makefile for the linux kernel.
#
extra-y := head.o vmlinux.lds init_task.o
extra-y := head.o vmlinux.lds
obj-y := setup.o idle.o or32_ksyms.o process.o dma.o \
traps.o time.o irq.o entry.o ptrace.o signal.o sys_or32.o \

42
arch/openrisc/kernel/init_task.c
View File

@ -1,42 +0,0 @@
/*
* OpenRISC init_task.c
*
* Linux architectural port borrowing liberally from similar works of
* others. All original copyrights apply as per the original source
* declaration.
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/init_task.h>
#include <linux/mqueue.h>
#include <linux/export.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 THREAD_SIZE 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);