Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964930AbVLUXE1 (ORCPT ); Wed, 21 Dec 2005 18:04:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932323AbVLUXE1 (ORCPT ); Wed, 21 Dec 2005 18:04:27 -0500 Received: from scrub.xs4all.nl ([194.109.195.176]:50826 "EHLO scrub.xs4all.nl") by vger.kernel.org with ESMTP id S932322AbVLUXE0 (ORCPT ); Wed, 21 Dec 2005 18:04:26 -0500 Date: Thu, 22 Dec 2005 00:03:54 +0100 (CET) From: Roman Zippel X-X-Sender: roman@scrub.home To: George Anzinger cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, Andrew Morton , rostedt@goodmis.org, johnstul@us.ibm.com, mingo@elte.hu Subject: Re: [patch 00/21] hrtimer - High-resolution timer subsystem In-Reply-To: <43A71E07.30403@mvista.com> Message-ID: References: <20051206000126.589223000@tglx.tec.linutronix.de> <1133908082.16302.93.camel@tglx.tec.linutronix.de> <1134148980.16302.409.camel@tglx.tec.linutronix.de> <1134405768.4205.190.camel@tglx.tec.linutronix.de> <439E2308.1000600@mvista.com> <43A0D505.3080507@mvista.com> <43A71E07.30403@mvista.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1040 Lines: 27 Hi, On Mon, 19 Dec 2005, George Anzinger wrote: > > You don't think the current behaviour is wrong. > > > > > On of the issues I see with using your assumption is that moving the timer to > an absolute clock after the initial expiry _may_ lead to additional > qauntization errors, depending on how aligned the two clocks are. What do you mean by "moving the timer to an an absolute clock"? > I would guess, then, that either the non-absolute or the absolute timer > behaves badly in the face of clock setting. Could you provide a pointer to > the NetBSD code so I can have a look too? http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/kern/kern_time.c?rev=1.98&content-type=text/x-cvsweb-markup AFAICT TIMER_ABSTIME is only used to convert the relative value to an absolute value. bye, Roman - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/