linux-kernel - Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers

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Message-ID: <20080902060645.338b54a2@infradead.org>
Date:	Tue, 2 Sep 2008 06:06:45 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	dwmw2@...radead.org, drepper@...hat.com, mingo@...e.hu,
	tglx@...x.de, Fabio Checconi <fabio@...dalf.sssup.it>
Subject: Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers

On Tue, 02 Sep 2008 13:08:45 +0200
> 
> What you need is a data structure that supports stabbing queries on
> overlapping intervals, such like a Priority Search Tree.
> 


for perfection we'd need that, for a simple good we don't; timers are
also performance critical so whatever we do can't be expensive in any
way... the current method isn't any more expensive.

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