linux-kernel - Re: [PATCH] x86/irq: using move_irq

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Date:	Thu, 30 Apr 2009 09:29:30 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/irq: using move_irq_desc


* Yinghai Lu <yinghai@...nel.org> wrote:

> +#if defined(CONFIG_SPARSE_IRQ) && defined(CONFIG_SMP)

> +ifdef CONFIG_SMP
>  obj-$(CONFIG_SPARSE_IRQ) += numa_migrate.o
> +endif

hm, seeing such complicatons calls for the reintroduction 
CONFIG_NUMA_IRQ_DESC - but plese make it a non-interactive
helper kconfig symbol, ok?

I.e. something like this:

config NUMA_IRQ_DESC
        def_bool y
        depends on SPARSE_IRQ && NUMA

this way we dont have yet another .config variant - and still have 
nicer looking #ifdefs and makefile rules.

	Ingo
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