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hexagon: Use generic idle_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>
Link: http://lkml.kernel.org/r/20120503085034.692078846@linutronix.de
Acked-and-tested-by: Richard Kuo <rkuo@codeaurora.org>
This commit is contained in:
Thomas Gleixner 2012-05-03 09:02:54 +00:00
parent a3b3aa3d9d
commit e336e05bca
4 changed files with 3 additions and 57 deletions
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1
arch/hexagon/Kconfig
View File

@ -28,6 +28,7 @@ config HEXAGON
select NO_IOPORT
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
select HAVE_GENERIC_INIT_TASK
# mostly generic routines, with some accelerated ones
---help---
Qualcomm Hexagon is a processor architecture designed for high

3
arch/hexagon/Makefile
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@ -45,8 +45,7 @@ KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
libs-y += $(LIBGCC)
head-y := arch/hexagon/kernel/head.o \
arch/hexagon/kernel/init_task.o
head-y := arch/hexagon/kernel/head.o
core-y += arch/hexagon/kernel/ \
arch/hexagon/mm/ \

2
arch/hexagon/kernel/Makefile
View File

@ -1,4 +1,4 @@
extra-y := head.o vmlinux.lds init_task.o
extra-y := head.o vmlinux.lds
obj-$(CONFIG_SMP) += smp.o topology.o

54
arch/hexagon/kernel/init_task.c
View File

@ -1,54 +0,0 @@
/*
* Init task definition
*
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/init_task.h>
#include <linux/fs.h>
#include <linux/mqueue.h>
#include <asm/thread_info.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);
/*
* 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.
*/
union thread_union init_thread_union
__attribute__((__section__(".data.init_task"),
__aligned__(THREAD_SIZE))) = {
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);