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

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Message-ID: <1277379204.1875.957.camel@laptop>
Date:	Thu, 24 Jun 2010 13:33:24 +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
Subject: Re: [RFC][PATCH] irq_work

On Thu, 2010-06-24 at 13:20 +0200, Andi Kleen wrote:
> > softirq can't sleep either, you need a trampoline anywa
> 
> Not true, when you interrupt ring 3 it can sleep. You just need to make
> sure to run on the right stack and fix up any irq counters.

But that is not softirq. That would be something like what faults do,
but we don't have anything else that does that.


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