Re: [PATCH] sched/rt: hide push_irq_work_func declaration

[Peter Zijlstra]

On Thu, Nov 12, 2015 at 03:22:22PM +0100, Arnd Bergmann wrote:
> -#ifdef CONFIG_SMP
> +#if IS_ENABLED(CONFIG_SMP) && defined(HAVE_RT_PUSH_IPI)
>  static void push_irq_work_func(struct irq_work *work);
>  #endif

I think we can get tid of the whole HAVE_RT_PUSH_IPI thing after:
8053871d0f7f ("smp: Fix smp_call_function_single_async() locking")

That should allow us to use smp_calling_function_single_async() instead
of irq_work_queue_on(), removing the dependency on irq_work.
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