From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752857AbYIBNG5 (ORCPT ); Tue, 2 Sep 2008 09:06:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751211AbYIBNGt (ORCPT ); Tue, 2 Sep 2008 09:06:49 -0400 Received: from casper.infradead.org ([85.118.1.10]:58834 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751178AbYIBNGs (ORCPT ); Tue, 2 Sep 2008 09:06:48 -0400 Date: Tue, 2 Sep 2008 06:06:45 -0700 From: Arjan van de Ven To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, dwmw2@infradead.org, drepper@redhat.com, mingo@elte.hu, tglx@tglx.de, Fabio Checconi Subject: Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers Message-ID: <20080902060645.338b54a2@infradead.org> In-Reply-To: <1220353725.8609.32.camel@twins> References: <20080901160343.75a89ec9@infradead.org> <20080901161336.10a71c9f@infradead.org> <1220343732.8609.19.camel@twins> <1220353725.8609.32.camel@twins> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org