linux-kernel - Re: [patch 06/26] metag: Use irq_set_affinity instead of homebrewn code

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Date:	Thu, 27 Feb 2014 11:59:15 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	James Hogan <james.hogan@...tec.com>
cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	metag <linux-metag@...r.kernel.org>
Subject: Re: [patch 06/26] metag: Use irq_set_affinity instead of homebrewn
 code

On Tue, 25 Feb 2014, James Hogan wrote:
> > You need that irq-metag part in any case as the user space interface
> > does not filter out stuff. Assume you offlined core 1 and user changes
> > affinity from 0xf to 0xe. So your selector will pick core 1 which is
> > offline....
> 
> ... crap, you're absolutely right. Thanks for spotting that. I'll apply the 
> irqchip hunks for v3.14.
> 
> As for the rest, I'll take this patch (with the irq.c hunk below)
> through the metag tree if it's okay with you so I can make sure it
> goes after the irqchip fixes (otherwise cpu0 hotplug blows up too).

Fine with me.

Thanks,

	tglx
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