On Thu, 2011-05-19 at 15:37 +0200, Daniel Hellstrom wrote:
> diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
> index 41102c5..d5b3958 100644
> --- a/arch/sparc/kernel/smp_32.c
> +++ b/arch/sparc/kernel/smp_32.c
> @@ -156,11 +156,11 @@ void arch_send_call_function_ipi_mask(const struct
> cpumask *mask)
>
> void smp_resched_interrupt(void)
> {
> + irq_enter();
> + scheduler_ipi();
> local_cpu_data().irq_resched_count++;
> - /*
> - * do nothing, since it all was about calling re-schedule
> - * routine called by interrupt return code.
> - */
> + irq_exit();
> + /* re-schedule routine called by interrupt return code. */
> }
That doesn't look like an IPI, that looks like its calls the function on
the local cpu, which is completely pointless.
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