[tip:smp/hotplug] m32r: Use generic init_task

[tip-bot for Thomas Gleixner]

Commit-ID:  7433c5cf4f69e0b9e648bfb59d65ffe39220e86c
Gitweb:     http://git.kernel.org/tip/7433c5cf4f69e0b9e648bfb59d65ffe39220e86c
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 3 May 2012 09:02:54 +0000
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Sat, 5 May 2012 13:00:23 +0200

m32r: 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@xxxxxxxxxxxxx>
Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20120503085034.756332161@xxxxxxxxxxxxx
---
 arch/m32r/Kconfig            |    1 +
 arch/m32r/Makefile           |    2 +-
 arch/m32r/kernel/Makefile    |    2 +-
 arch/m32r/kernel/init_task.c |   34 ----------------------------------
 4 files changed, 3 insertions(+), 36 deletions(-)

diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index ef80a65..8b8bd7f 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -11,6 +11,7 @@ config M32R
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_ATOMIC64
+	select HAVE_GENERIC_INIT_TASK
 
 config SBUS
 	bool
diff --git a/arch/m32r/Makefile b/arch/m32r/Makefile
index 8ff5ba0..def8dd0 100644
--- a/arch/m32r/Makefile
+++ b/arch/m32r/Makefile
@@ -31,7 +31,7 @@ KBUILD_AFLAGS += $(aflags-y)
 
 CHECKFLAGS	+= -D__m32r__ -D__BIG_ENDIAN__=1
 
-head-y	:= arch/m32r/kernel/head.o arch/m32r/kernel/init_task.o
+head-y	:= arch/m32r/kernel/head.o
 
 LIBGCC	:= $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
diff --git a/arch/m32r/kernel/Makefile b/arch/m32r/kernel/Makefile
index b1a4b60..0c09dad 100644
--- a/arch/m32r/kernel/Makefile
+++ b/arch/m32r/kernel/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the Linux/M32R kernel.
 #
 
-extra-y	:= head.o init_task.o vmlinux.lds
+extra-y	:= head.o vmlinux.lds
 
 obj-y	:= process.o entry.o traps.o align.o irq.o setup.o time.o \
 	m32r_ksyms.o sys_m32r.o signal.o ptrace.o
diff --git a/arch/m32r/kernel/init_task.c b/arch/m32r/kernel/init_task.c
deleted file mode 100644
index 6c42d5f..0000000
--- a/arch/m32r/kernel/init_task.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/* orig : i386 init_task.c */
-
-#include <linux/mm.h>
-#include <linux/module.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>
-#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 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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