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Subject: Re: [PATCH] sched: provide scheduler_ipi() callback in response to
 smp_send_reschedule()
From:   Peter Zijlstra <peterz@infradead.org>
To:     Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Date:   Mon, 07 Feb 2011 14:54:19 +0100
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On Mon, 2011-02-07 at 10:26 +1100, Benjamin Herrenschmidt wrote:
> You missed:
> 
> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
> index 9813605..467d122 100644
> --- a/arch/powerpc/kernel/smp.c
> +++ b/arch/powerpc/kernel/smp.c
> @@ -98,6 +98,7 @@ void smp_message_recv(int msg)
>                 break;
>         case PPC_MSG_RESCHEDULE:
>                 /* we notice need_resched on exit */
> +               scheduler_ipi();
>                 break;
>         case PPC_MSG_CALL_FUNC_SINGLE:
>                 generic_smp_call_function_single_interrupt();
> 
> Fold that in and add:
> 
> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Thanks Ben!