From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966082AbYD1SlT (ORCPT ); Mon, 28 Apr 2008 14:41:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934007AbYD1SlE (ORCPT ); Mon, 28 Apr 2008 14:41:04 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:50580 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933987AbYD1SlD (ORCPT ); Mon, 28 Apr 2008 14:41:03 -0400 Date: Mon, 28 Apr 2008 14:40:51 -0400 From: Christoph Hellwig To: Andrew Morton Cc: Peter Zijlstra , Mathieu Desnoyers , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [patch 00/37] Linux Kernel Markers instrumentation for sched-devel.git Message-ID: <20080428184050.GA23391@infradead.org> References: <20080424150324.802695381@polymtl.ca> <1209238735.6441.4.camel@lappy> <20080428113610.b2d1e8e4.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080428113610.b2d1e8e4.akpm@linux-foundation.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.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 Mon, Apr 28, 2008 at 11:36:10AM -0700, Andrew Morton wrote: > It hides the cosmetically-ugly bits, but not the deeply ugly: each of these > trace points is an extension to the kernel->userspace API, with all that > this implies. Not at all. It's only accessibe to kernel code, so it per defintion can't be a userspace API.