From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261998AbVGKQDl (ORCPT ); Mon, 11 Jul 2005 12:03:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262141AbVGKQDf (ORCPT ); Mon, 11 Jul 2005 12:03:35 -0400 Received: from ylpvm43-ext.prodigy.net ([207.115.57.74]:39118 "EHLO ylpvm43.prodigy.net") by vger.kernel.org with ESMTP id S262142AbVGKQCQ (ORCPT ); Mon, 11 Jul 2005 12:02:16 -0400 X-ORBL: [63.202.173.158] Date: Mon, 11 Jul 2005 09:02:05 -0700 From: Chris Wedgwood To: "Theodore Ts'o" , Alan Cox , Lee Revell , Andrew Morton , arjan@infradead.org, azarah@nosferatu.za.org, Linux Kernel Mailing List , torvalds@osdl.org, christoph@lameter.org Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt Message-ID: <20050711160205.GA6834@taniwha.stupidest.org> References: <20050708214908.GA31225@taniwha.stupidest.org> <20050708145953.0b2d8030.akpm@osdl.org> <1120928891.17184.10.camel@lycan.lan> <1120932991.6488.64.camel@mindpipe> <1120933916.3176.57.camel@laptopd505.fenrus.org> <1120934163.6488.72.camel@mindpipe> <20050709121212.7539a048.akpm@osdl.org> <1120936561.6488.84.camel@mindpipe> <1121088186.7407.61.camel@localhost.localdomain> <20050711140510.GB14529@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050711140510.GB14529@thunk.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 11, 2005 at 10:05:10AM -0400, Theodore Ts'o wrote: > The real answer here is for the tickless patches to cleaned up to > the point where they can be merged, and then we won't waste battery > power entering the timer interrupt in the first place. :-) Whilst conceptually this is a nice idea I've yet to see any viable code that overall has a lower cost. Tickless is a really nice idea for embedded devices and also paravirtualized hardware but I don't think anyone has it working well enough yet do they?