linux-kernel - Re: [PATCH] Delete redundant IRQ_DISABLED check in irq

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Date:	Mon, 20 Jul 2009 12:09:38 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Barry Song <21cnbao@...il.com>
cc:	mingo@...hat.com, dahlmann.thomas@...or.de,
	LKML <linux-kernel@...r.kernel.org>,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] Delete redundant IRQ_DISABLED check in irq_thread

On Mon, 20 Jul 2009, Barry Song wrote:

Can you please stop top posting and keeping the whole previous mail
for no value ?

> Another question, is it possible the irq thread run from a different
> CPU with the hardirq?  If so, even in your patch, the
> desc->thread_eoi(action->irq, desc) run on another CPU, maybe it can't
> unmask the original CPU interrupt. Then the device will not work
> later.

Sorry, I do not understand your question. Can you please explain ?

Thanks,

	tglx
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