On Mon, 2012-04-30 at 20:16 +0000, Thomas Gleixner wrote:
> plain text document attachment (powerpc-use-generic-init-task.patch)
> Same code. Use the generic version.
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> ---
> arch/powerpc/Kconfig | 1 +
> arch/powerpc/kernel/Makefile | 2 +-
> arch/powerpc/kernel/init_task.c | 29 -----------------------------
> 3 files changed, 2 insertions(+), 30 deletions(-)
>
> Index: tip/arch/powerpc/Kconfig
> ===================================================================
> --- tip.orig/arch/powerpc/Kconfig
> +++ tip/arch/powerpc/Kconfig
> @@ -145,6 +145,7 @@ config PPC
> select HAVE_ARCH_JUMP_LABEL
> select ARCH_HAVE_NMI_SAFE_CMPXCHG
> select GENERIC_SMP_IDLE_THREAD
> + select HAVE_GENERIC_INIT_TASK
>
> config EARLY_PRINTK
> bool
> Index: tip/arch/powerpc/kernel/Makefile
> ===================================================================
> --- tip.orig/arch/powerpc/kernel/Makefile
> +++ tip/arch/powerpc/kernel/Makefile
> @@ -28,7 +28,7 @@ endif
>
> obj-y := cputable.o ptrace.o syscalls.o \
> irq.o align.o signal_32.o pmc.o vdso.o \
> - init_task.o process.o systbl.o idle.o \
> + process.o systbl.o idle.o \
> signal.o sysfs.o cacheinfo.o time.o \
> prom.o traps.o setup-common.o \
> udbg.o misc.o io.o dma.o \
> Index: tip/arch/powerpc/kernel/init_task.c
> ===================================================================
> --- tip.orig/arch/powerpc/kernel/init_task.c
> +++ /dev/null
> @@ -1,29 +0,0 @@
> -#include <linux/mm.h>
> -#include <linux/export.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>
> -
> -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 16384-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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