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blackfin: Use generic init_task

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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: Mike Frysinger <vapier@gentoo.org>
Link: http://lkml.kernel.org/r/20120503085034.350246420@linutronix.de
This commit is contained in:
Thomas Gleixner 2012-05-03 09:02:51 +00:00
parent 29b2501bd8
commit 6e3e84499a
4 changed files with 2 additions and 35 deletions
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1
arch/blackfin/Kconfig
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@ -38,6 +38,7 @@ config BLACKFIN
select IRQ_PER_CPU if SMP
select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
select GENERIC_SMP_IDLE_THREAD
select HAVE_GENERIC_INIT_TASK
config GENERIC_CSUM
def_bool y

2
arch/blackfin/Makefile
View file

@ -107,8 +107,6 @@ KBUILD_AFLAGS += -mcpu=$(CPU_REV)
CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')
CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -D__bfin__
head-y := arch/$(ARCH)/kernel/init_task.o
core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
# If we have a machine-specific directory, then include it in the build.

2
arch/blackfin/kernel/Makefile
View file

@ -2,7 +2,7 @@
# arch/blackfin/kernel/Makefile
#
extra-y := init_task.o vmlinux.lds
extra-y := vmlinux.lds
obj-y := \
entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \

32
arch/blackfin/kernel/init_task.c
View file

@ -1,32 +0,0 @@
/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later
*/
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/init_task.h>
#include <linux/mqueue.h>
#include <linux/fs.h>
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
/*
* 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);
/*
* 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)};