linux-kernel - Re: [PATCH v3 1/1] x86/irq: handle chained interrupts during IRQ migration

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Message-ID: <20120625053156.GB24033@linux-sh.org>
Date:	Mon, 25 Jun 2012 14:31:57 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Sundar Iyer <sundar.iyer@...el.com>
Cc:	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	arjan@...ux.intel.com, german.monroy@...el.com
Subject: Re: [PATCH v3 1/1] x86/irq: handle chained interrupts during IRQ
 migration

On Mon, Jun 25, 2012 at 09:25:07AM +0530, Sundar Iyer wrote:
> Chained interrupt handlers dont have an irqaction and hence are not
> handled during migrating interrupts when some cores go offline.
> 
> Handle this by introducing a irq_is_chained() check which is based
> on the the CHAINED flag being set for such interrupts. fixup_irq()
> can then handle such interrupts and not skip them over.
> 
> Signed-off-by: Sundar Iyer <sundar.iyer@...el.com>
> Reviewed-by: Yang, Fei <fei.yang@...el.com>
> Tested-by: Ng, Cheon-woei <cheon-woei.ng@...el.com>

Looks better to me.
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