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    Subject[patch 15/18] sh: Use generic idle thread allocation
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Cc: Paul Mundt <lethal@linux-sh.org>
    ---
    arch/sh/Kconfig | 1 +
    arch/sh/include/asm/processor.h | 4 ----
    arch/sh/kernel/smp.c | 14 +-------------
    3 files changed, 2 insertions(+), 17 deletions(-)

    Index: linux-2.6/arch/sh/Kconfig
    ===================================================================
    --- linux-2.6.orig/arch/sh/Kconfig
    +++ linux-2.6/arch/sh/Kconfig
    @@ -28,6 +28,7 @@ config SUPERH
    select RTC_LIB
    select GENERIC_ATOMIC64
    select GENERIC_IRQ_SHOW
    + select GENERIC_SMP_IDLE_THREAD
    help
    The SuperH is a RISC processor targeted for use in embedded systems
    and consumer electronics; it was also used in the Sega Dreamcast
    Index: linux-2.6/arch/sh/include/asm/processor.h
    ===================================================================
    --- linux-2.6.orig/arch/sh/include/asm/processor.h
    +++ linux-2.6/arch/sh/include/asm/processor.h
    @@ -85,10 +85,6 @@ struct sh_cpuinfo {
    struct tlb_info itlb;
    struct tlb_info dtlb;

    -#ifdef CONFIG_SMP
    - struct task_struct *idle;
    -#endif
    -
    unsigned int phys_bits;
    unsigned long flags;
    } __attribute__ ((aligned(L1_CACHE_BYTES)));
    Index: linux-2.6/arch/sh/kernel/smp.c
    ===================================================================
    --- linux-2.6.orig/arch/sh/kernel/smp.c
    +++ linux-2.6/arch/sh/kernel/smp.c
    @@ -220,22 +220,10 @@ extern struct {
    void *thread_info;
    } stack_start;

    -int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
    +int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tsk)
    {
    - struct task_struct *tsk;
    unsigned long timeout;

    - tsk = cpu_data[cpu].idle;
    - if (!tsk) {
    - tsk = fork_idle(cpu);
    - if (IS_ERR(tsk)) {
    - pr_err("Failed forking idle task for cpu %d\n", cpu);
    - return PTR_ERR(tsk);
    - }
    -
    - cpu_data[cpu].idle = tsk;
    - }
    -
    per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;

    /* Fill in data in head.S for secondary cpus */



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