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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
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4 changed files with 2 additions and 40 deletions
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@ -123,6 +123,7 @@ config S390
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select ARCH_INLINE_WRITE_UNLOCK_IRQ
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select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
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select GENERIC_SMP_IDLE_THREAD
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select HAVE_GENERIC_INIT_TASK
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config SCHED_OMIT_FRAME_POINTER
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def_bool y
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@ -91,7 +91,6 @@ OBJCOPYFLAGS := -O binary
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head-y := arch/s390/kernel/head.o
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head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
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head-y += arch/s390/kernel/init_task.o
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# See arch/s390/Kbuild for content of core part of the kernel
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core-y += arch/s390/
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@ -28,7 +28,7 @@ obj-y := bitmap.o traps.o time.o process.o base.o early.o setup.o vtime.o \
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obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o)
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obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
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extra-y += head.o init_task.o vmlinux.lds
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extra-y += head.o vmlinux.lds
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extra-y += $(if $(CONFIG_64BIT),head64.o,head31.o)
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obj-$(CONFIG_MODULES) += s390_ksyms.o module.o
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@ -1,38 +0,0 @@
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/*
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* arch/s390/kernel/init_task.c
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*
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* S390 version
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*
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* Derived from "arch/i386/kernel/init_task.c"
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*/
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#include <linux/mm.h>
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#include <linux/fs.h>
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#include <linux/module.h>
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#include <linux/sched.h>
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#include <linux/init_task.h>
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#include <linux/mqueue.h>
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#include <asm/uaccess.h>
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#include <asm/pgtable.h>
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static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
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static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
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/*
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* Initial thread structure.
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*
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* We need to make sure that this is THREAD_SIZE aligned due to the
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* way process stacks are handled. This is done by having a special
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* "init_task" linker map entry..
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*/
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union thread_union init_thread_union __init_task_data =
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{ INIT_THREAD_INFO(init_task) };
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/*
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* Initial task structure.
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*
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* All other task structs will be allocated on slabs in fork.c
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*/
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struct task_struct init_task = INIT_TASK(init_task);
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EXPORT_SYMBOL(init_task);
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