linux-kernel - [tip:smp/hotplug] powerpc: Use generic init

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Date:	Sat, 5 May 2012 12:03:38 -0700
From:	tip-bot for Thomas Gleixner <tglx@...utronix.de>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	benh@...nel.crashing.org, tglx@...utronix.de
Subject: [tip:smp/hotplug] powerpc: Use generic init_task

Commit-ID:  b0ce50aa89edd82aaadc57e8c774f714ede6101d
Gitweb:     http://git.kernel.org/tip/b0ce50aa89edd82aaadc57e8c774f714ede6101d
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Thu, 3 May 2012 09:02:57 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sat, 5 May 2012 13:00:25 +0200

powerpc: Use generic init_task

Same code. Use the generic version.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Link: http://lkml.kernel.org/r/20120503085035.211123184@linutronix.de
---
 arch/powerpc/Kconfig            |    1 +
 arch/powerpc/kernel/Makefile    |    2 +-
 arch/powerpc/kernel/init_task.c |   29 -----------------------------
 3 files changed, 2 insertions(+), 30 deletions(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c815535..946e881 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -145,6 +145,7 @@ config PPC
 	select HAVE_ARCH_JUMP_LABEL
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_SMP_IDLE_THREAD
+	select HAVE_GENERIC_INIT_TASK
 
 config EARLY_PRINTK
 	bool
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index f5808a3..83afacd 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -28,7 +28,7 @@ endif
 
 obj-y				:= cputable.o ptrace.o syscalls.o \
 				   irq.o align.o signal_32.o pmc.o vdso.o \
-				   init_task.o process.o systbl.o idle.o \
+				   process.o systbl.o idle.o \
 				   signal.o sysfs.o cacheinfo.o time.o \
 				   prom.o traps.o setup-common.o \
 				   udbg.o misc.o io.o dma.o \
diff --git a/arch/powerpc/kernel/init_task.c b/arch/powerpc/kernel/init_task.c
deleted file mode 100644
index d076d46..0000000
--- a/arch/powerpc/kernel/init_task.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <linux/mm.h>
-#include <linux/export.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/init_task.h>
-#include <linux/fs.h>
-#include <linux/mqueue.h>
-#include <asm/uaccess.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 16384-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);
--
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