linux-kernel - Re: [RFC 1/3] Unified NMI delayed call mechanism

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Message-ID: <20100618122532.GB9045@basil.fritz.box>
Date:	Fri, 18 Jun 2010 14:25:34 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Huang Ying <ying.huang@...el.com>, Ingo Molnar <mingo@...e.hu>,
	"H.PeterA" <"nvin hpa"@zytor.com>, linux-kernel@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>,
	Chris Mason <chris.mason@...cle.com>
Subject: Re: [RFC 1/3] Unified NMI delayed call mechanism

> So aside from the should this be perf or not, the above is utter
> gibberish. Whoever came up with this nonsense?

This is pretty much how softirqs (and before them bottom halves) work.
I believe Linus invented that scheme originally back in the early
days of Linux.

It's actually quite simple and works well

-Andi
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