From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935141Ab0KQRq4 (ORCPT ); Wed, 17 Nov 2010 12:46:56 -0500 Received: from mail.openrapids.net ([64.15.138.104]:59299 "EHLO blackscsi.openrapids.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934635Ab0KQRqy (ORCPT ); Wed, 17 Nov 2010 12:46:54 -0500 Date: Wed, 17 Nov 2010 12:46:52 -0500 From: Mathieu Desnoyers To: Steven Rostedt Cc: Ingo Molnar , Greg KH , linux-kernel@vger.kernel.org, Andrew Morton , Thomas Gleixner , Peter Zijlstra , Frederic Weisbecker , Linus Torvalds , Theodore Tso , Arjan van de Ven , Lin Ming , Arnaldo Carvalho de Melo , Peter Zijlstra Subject: Re: [RFC][PATCH 1/5] [PATCH 1/5] events: Add EVENT_FS the event filesystem Message-ID: <20101117174652.GC13717@Krystal> References: <20101117005357.024472450@goodmis.org> <20101117005939.600541101@goodmis.org> <20101117033242.GB31335@suse.de> <20101117103914.GA21976@elte.hu> <1289996753.30543.35.camel@gandalf.stny.rr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1289996753.30543.35.camel@gandalf.stny.rr.com> X-Editor: vi X-Info: http://www.efficios.com X-Operating-System: Linux/2.6.26-2-686 (i686) X-Uptime: 12:43:59 up 55 days, 21:46, 5 users, load average: 0.14, 0.12, 0.09 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Steven Rostedt (rostedt@goodmis.org) wrote: [...] > Are these events now going to be labeled as stable? Is every tracepoint > we have, much have the same data? Linus specifically said at Kernel > Summit that he wants absolutely NO modules to have a stable tracepoint. I'd like to bring up the point of KVM tracepoints here. KVM can be configured as a module, and may clearly contain tracepoints that we'd like to be stable. My thought is that what we really want to enforce is "no stable tracepoints in drivers" rather than in "modules", but I might be wrong. Thoughts ? Mathieu -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com