On Wed, 2009-03-04 at 17:49 +0530, Arun R Bharadwaj wrote:
> @@ -649,6 +650,16 @@ __mod_timer(struct timer_list *timer, un
>
> new_base = __get_cpu_var(tvec_bases);
>
> + current_cpu = smp_processor_id();
> + preferred_cpu = get_nohz_load_balancer();
> + if (enable_timer_migration && !tbase_get_pinned(timer->base)
> &&
> + idle_cpu(current_cpu) && preferred_cpu != -1)
> {
> + new_base = per_cpu(tvec_bases, preferred_cpu);
> + timer_set_base(timer, new_base);
> + timer->expires = expires;
> + internal_add_timer(new_base, timer);
> + goto out_unlock;
> + }
Are you sure this compiles w/ CONFIG_SMP=n ? It looks like
enable_timer_migration wouldn't exist in that case, but the chunks your
adding in the timer code are still using it.
Daniel
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