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authorThomas Gleixner <tglx@linutronix.de>2012-05-03 09:02:58 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-05-05 13:00:25 +0200
commitedd813bb35227f19e9d7f808165c0c4e95e03149 (patch)
tree2c5ebad855fed55e615f9955074f12fce87f1f4b /arch
parentb0ce50aa89edd82aaadc57e8c774f714ede6101d (diff)
downloadlinux-linaro-stable-edd813bb35227f19e9d7f808165c0c4e95e03149.tar.gz
s390: 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@linutronix.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Link: http://lkml.kernel.org/r/20120503085035.271439530@linutronix.de
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/Makefile1
-rw-r--r--arch/s390/kernel/Makefile2
-rw-r--r--arch/s390/kernel/init_task.c38
4 files changed, 2 insertions, 40 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 15cab3ee44e8..6c0eb214ab27 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -123,6 +123,7 @@ config S390
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
select GENERIC_SMP_IDLE_THREAD
+ select HAVE_GENERIC_INIT_TASK
config SCHED_OMIT_FRAME_POINTER
def_bool y
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 0ad2f1e1ce9e..49e76e8b477d 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -91,7 +91,6 @@ OBJCOPYFLAGS := -O binary
head-y := arch/s390/kernel/head.o
head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
-head-y += arch/s390/kernel/init_task.o
# See arch/s390/Kbuild for content of core part of the kernel
core-y += arch/s390/
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 884b18afc864..9733b3f0eb6d 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -28,7 +28,7 @@ obj-y := bitmap.o traps.o time.o process.o base.o early.o setup.o vtime.o \
obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o)
obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
-extra-y += head.o init_task.o vmlinux.lds
+extra-y += head.o vmlinux.lds
extra-y += $(if $(CONFIG_64BIT),head64.o,head31.o)
obj-$(CONFIG_MODULES) += s390_ksyms.o module.o
diff --git a/arch/s390/kernel/init_task.c b/arch/s390/kernel/init_task.c
deleted file mode 100644
index 4d1c9fb0b540..000000000000
--- a/arch/s390/kernel/init_task.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * arch/s390/kernel/init_task.c
- *
- * S390 version
- *
- * Derived from "arch/i386/kernel/init_task.c"
- */
-
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/init_task.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 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);