Re: [patch] irq: use config_enabled(SMP) checks to cleanupirq_set_affinity() for UP

From: Yinghai Lu
Date: Wed Jun 06 2012 - 21:36:41 EST


On Wed, Jun 6, 2012 at 4:29 PM, Suresh Siddha <suresh.b.siddha@xxxxxxxxx> wrote:
> On Ingo's request, re-basing the previous version
> (http://marc.info/?l=linux-kernel&m=133667389223282) to the latest -tip
> tree. Thanks.
> ---
> From: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
> Subject: irq: use config_enabled(CONFIG_SMP) checks to cleanup irq_set_affinity() for UP
>
> Use config_enabled(CONFIG_SMP) checks for cleaning up the ifdef CONFIG_SMP
> around irq_set_affinity routines in io_apic and irq_remapping subsystems.

can you just use
if (nr_cpu_ids > 1)
checking instead
if config_enabled(CONFIG_SMP)

Thanks

Yinghai Lu
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