Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261217AbVARCpd (ORCPT ); Mon, 17 Jan 2005 21:45:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261218AbVARCpd (ORCPT ); Mon, 17 Jan 2005 21:45:33 -0500 Received: from opersys.com ([64.40.108.71]:45578 "EHLO www.opersys.com") by vger.kernel.org with ESMTP id S261217AbVARCpa (ORCPT ); Mon, 17 Jan 2005 21:45:30 -0500 Message-ID: <41EC7A03.10307@opersys.com> Date: Mon, 17 Jan 2005 21:52:51 -0500 From: Karim Yaghmour Reply-To: karim@opersys.com Organization: Opersys inc. User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040805 Netscape/7.2 X-Accept-Language: en-us, en, fr, fr-be, fr-ca, fr-fr MIME-Version: 1.0 To: Roman Zippel CC: Nikita Danilov , linux-kernel@vger.kernel.org, Tom Zanussi Subject: Re: 2.6.11-rc1-mm1 References: <20050114002352.5a038710.akpm@osdl.org> <20050114103836.GA71397@muc.de> <41E7A7A6.3060502@opersys.com> <41E8358A.4030908@opersys.com> <41E899AC.3070705@opersys.com> <41EA0307.6020807@opersys.com> <41EADA11.70403@opersys.com> <41EC2DCA.50904@opersys.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1070 Lines: 25 Hello Roman, Roman Zippel wrote: > An additional comment about the order of events. What you're doing in > lockless_reserve is bogus anyway. There is no single correct time to > write into the event. By artificially synchronizing event order and event > time you only cheat yourself. You either take it into account during > postprocessing that events can be interrupted or the time stamp doesn't > seem to be that important, but there is nothing you can do during the > recording of the event except of completely disabling interrupts. Correct and like I said before, we are dropping the lockless scheme. Ergo, disabling interrupts we will. Karim -- Author, Speaker, Developer, Consultant Pushing Embedded and Real-Time Linux Systems Beyond the Limits http://www.opersys.com || karim@opersys.com || 1-866-677-4546 - 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/