linux-kernel - Re: [RFC][PATCH] irq

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Message-ID: <1277541405.1875.993.camel@laptop>
Date:	Sat, 26 Jun 2010 10:36:45 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Huang Ying <ying.huang@...el.com>, Ingo Molnar <mingo@...e.hu>,
	"H.PeterA" <"nvin hpa"@zytor.com>, linux-kernel@...r.kernel.org,
	tglx <tglx@...utronix.de>, davem <davem@...emloft.net>,
	paulus <paulus@...ba.org>
Subject: Re: [RFC][PATCH] irq_work -v2

On Sat, 2010-06-26 at 00:29 +0200, Andi Kleen wrote:

> Yes it would be good to separate that, because I doubt other users
> will require similar hacks.

You're such a constructive critic..

I would think every NMI user would need them since NMI can interrupt at
any time, and if you have a limited number of irq_work structs (like 1
per cpu) you'll end up with wanting to enqueue an already enqueued one
at some point.
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