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    SubjectRe: [PATCH] cpuidle: avoid using smp_processor_id() in preemptible code (nr_iowait_cpu) v4
    On Wed, 16 Jun 2010 23:59:07 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:

    > So how does this look? If "OK" then would you be able to test it please?

    I saw it first!


    fix !CONFIG_TICK_ONESHOT

    --- a/include/linux/tick.h~cpuidle-avoid-using-smp_processor_id-in-preemptible-code-nr_iowait_cpu-v4-fix-fix
    +++ a/include/linux/tick.h
    @@ -71,7 +71,6 @@ struct tick_sched {
    };

    extern void __init tick_init(void);
    -extern void __init tick_sched_init(void);
    extern int tick_is_oneshot_available(void);
    extern struct tick_device *tick_get_device(int cpu);

    @@ -93,6 +92,9 @@ extern struct cpumask *tick_get_broadcas

    # ifdef CONFIG_TICK_ONESHOT
    extern struct cpumask *tick_get_broadcast_oneshot_mask(void);
    +extern void __init tick_sched_init(void);
    +# else
    +static inline void tick_sched_init(void) { }
    # endif

    # endif /* BROADCAST */
    _


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