linux-kernel - Re: [PATCH 8/9] x86/irq: make MSI irq

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Message-ID: <20090429120056.GE11586@elte.hu>
Date:	Wed, 29 Apr 2009 14:00:56 +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 8/9] x86/irq: make MSI irq_desc numa aware -v3


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

> Ingo Molnar wrote:
> > * Yinghai Lu <yinghai@...nel.org> wrote:
> > 
> >> Ingo Molnar wrote:
> >>> * Yinghai Lu <yinghai@...nel.org> wrote:
> >>>
> >>>> +#ifdef CONFIG_NUMA_IRQ_DESC
> >>>> +		/* different node ?*/
> >>>> +		if (desc_new->node != node)
> >>>> +			desc = move_irq_desc(desc, node);
> >>>> +#endif
> >>> this should have been CONFIG_NUMA_MIGRATE_IRQ_DESC. But even with 
> >>> that fixed, CONFIG_NUMA_MIGRATE_IRQ_DESC is _removed_ in the #2 
> >>> patch in your series and never reintroduced!
> >> should change that to CONFIG_SPARSE_IRQ
> > 
> > That's sensible too.
> > 
> 
> do you mean add back CONFIG_NUMA_IRQ_DESC?

No, what i thought to be sensible is to make this behavior part of 
CONFIG_SPARSE_IRQ=y. We dont want a zillion of config options.

	Ingo
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