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authorThomas Gleixner <tglx@linutronix.de>2012-05-03 09:02:54 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-05-05 13:00:23 +0200
commite336e05bca1909faf6d7c033702a71bdb5c79d18 (patch)
tree21dc1146da52906fafae1a4dd9bc390882dc1caf /arch
parenta3b3aa3d9d5d482ac68477c69fc08cadbc43e074 (diff)
downloadvexpress-lsk-e336e05bca1909faf6d7c033702a71bdb5c79d18.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/hexagon/Kconfig1
-rw-r--r--arch/hexagon/Makefile3
-rw-r--r--arch/hexagon/kernel/Makefile2
-rw-r--r--arch/hexagon/kernel/init_task.c54
4 files changed, 3 insertions, 57 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index d2e4a333033..6ee5488ed30 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -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
diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile
index 0c4de8790fd..e27d030846a 100644
--- a/arch/hexagon/Makefile
+++ b/arch/hexagon/Makefile
@@ -45,8 +45,7 @@ KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
libs-y += $(LIBGCC)
-head-y := arch/hexagon/kernel/head.o \
- arch/hexagon/kernel/init_task.o
+head-y := arch/hexagon/kernel/head.o
core-y += arch/hexagon/kernel/ \
arch/hexagon/mm/ \
diff --git a/arch/hexagon/kernel/Makefile b/arch/hexagon/kernel/Makefile
index 3689f3754d0..536aec093e6 100644
--- a/arch/hexagon/kernel/Makefile
+++ b/arch/hexagon/kernel/Makefile
@@ -1,4 +1,4 @@
-extra-y := head.o vmlinux.lds init_task.o
+extra-y := head.o vmlinux.lds
obj-$(CONFIG_SMP) += smp.o topology.o
diff --git a/arch/hexagon/kernel/init_task.c b/arch/hexagon/kernel/init_task.c
deleted file mode 100644
index 73283d3edf0..00000000000
--- a/arch/hexagon/kernel/init_task.c
+++ /dev/null
@@ -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);