linux-kernel - Re: [patch] irq: use config_enabled(SMP) checks to cleanup irq_set

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Message-ID: <CAE9FiQXh82++LRJnFbYXAVQmCPM00M8HO0KQ523WYD+rZKvt2w@mail.gmail.com>
Date:	Wed, 6 Jun 2012 18:36:45 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
Cc:	Ingo Molnar <mingo@...nel.org>, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	joerg.roedel@....com, paul.gortmaker@...driver.com,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [patch] irq: use config_enabled(SMP) checks to cleanup
 irq_set_affinity() for UP

On Wed, Jun 6, 2012 at 4:29 PM, Suresh Siddha <suresh.b.siddha@...el.com> 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@...el.com>
> 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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