Re: [patch 21/29] score: Use generic init_task

From: Thomas Gleixner
Date: Mon Apr 30 2012 - 16:49:19 EST


On Mon, 30 Apr 2012, Thomas Gleixner wrote:
> On Mon, 30 Apr 2012, KOSAKI Motohiro wrote:
> > Almost patches delete arch specific init-task. But this patch doesn't.
> > Is this really intentional?
>
> Not really. I missed it :( Will fix.

Here is the updated one.

Thanks,

tglx

-------------->

Subject: score: Use generic init_task
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Mon, 30 Apr 2012 16:46:03 +0200

Same code. Use the generic version.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Chen Liqin <liqin.chen@xxxxxxxxxxxxx>
---
arch/score/Kconfig | 1
arch/score/kernel/Makefile | 2 -
arch/score/kernel/init_task.c | 46 ------------------------------------------
3 files changed, 2 insertions(+), 47 deletions(-)

Index: tip/arch/score/Kconfig
===================================================================
--- tip.orig/arch/score/Kconfig
+++ tip/arch/score/Kconfig
@@ -9,6 +9,7 @@ config SCORE
select HAVE_MEMBLOCK_NODE_MAP
select ARCH_DISCARD_MEMBLOCK
select GENERIC_CPU_DEVICES
+ select HAVE_GENERIC_INIT_TASK

choice
prompt "System type"
Index: tip/arch/score/kernel/Makefile
===================================================================
--- tip.orig/arch/score/kernel/Makefile
+++ tip/arch/score/kernel/Makefile
@@ -4,7 +4,7 @@

extra-y := head.o vmlinux.lds

-obj-y += entry.o init_task.o irq.o process.o ptrace.o \
+obj-y += entry.o irq.o process.o ptrace.o \
setup.o signal.o sys_score.o time.o traps.o \
sys_call_table.o

Index: tip/arch/score/kernel/init_task.c
===================================================================
--- tip.orig/arch/score/kernel/init_task.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * arch/score/kernel/init_task.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *
- * 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.
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/init_task.h>
-#include <linux/mqueue.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);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/