Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932112Ab1DYRzD (ORCPT ); Mon, 25 Apr 2011 13:55:03 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:39740 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758738Ab1DYRzB (ORCPT ); Mon, 25 Apr 2011 13:55:01 -0400 Date: Mon, 25 Apr 2011 19:54:44 +0200 From: Ingo Molnar To: Vince Weaver Cc: Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, Andi Kleen , Peter Zijlstra , Stephane Eranian , Lin Ming , Arnaldo Carvalho de Melo , Thomas Gleixner , Peter Zijlstra Subject: Re: [PATCH 1/1] perf tools: Add missing user space support for config1/config2 Message-ID: <20110425175444.GC28239@elte.hu> References: <1303407662-15564-1-git-send-email-acme@infradead.org> <1303407662-15564-2-git-send-email-acme@infradead.org> <20110422063429.GA16643@elte.hu> <20110422080604.GA22611@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 841 Lines: 24 * Vince Weaver wrote: > [...] The kernel has no business telling users which perf events are > interesting, or limiting them! [...] The policy is very simple and common-sense: if a given piece of PMU functionality is useful enough to be exposed via a raw interface, then it must be useful enough to be generalized as well. > [...] What is this, windows? FYI, this is how the Linux kernel has operated from day 1 on: we support hardware features to abstract useful highlevel functionality out of it. I would not expect this to change anytime soon. Thanks, Ingo -- 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/