Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760333Ab1D2RZc (ORCPT ); Fri, 29 Apr 2011 13:25:32 -0400 Received: from mga14.intel.com ([143.182.124.37]:52615 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759771Ab1D2RZb (ORCPT ); Fri, 29 Apr 2011 13:25:31 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.64,288,1301900400"; d="scan'208";a="427905675" Date: Fri, 29 Apr 2011 10:25:25 -0700 From: Andi Kleen To: Pekka Enberg Cc: Vince Weaver , torvalds@linux-foundation.org, Ingo Molnar , linux-kernel@vger.kernel.org, Peter Zijlstra , Stephane Eranian Subject: Re: re-enable Nehalem raw Offcore-Events support Message-ID: <20110429172525.GA2745@tassilo.jf.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1224 Lines: 31 > > ?2. ?Users are too stupid to use the raw functionality properly; > > ? ? ?we should only allow a kernel-developer-approved small subset > > ? ? ?of the features provided by the CPU as described in the intel > > ? ? ?developers manuals. > > > > #2 seems like a gross misinterpretation of the whole "Linux gives you > > enough rope to shoot yourself in the foot" policy from days passed, but > > maybe things have moved on. > > That's a gross misrepresentation of what Ingo has been saying on LKML. > Really, learn to work with relevant maintainers before you ask Linus > to revert something. Ingo may not have explicitely said (2), but at least his revert (disabling the raw interface users are asking for) is practically implementing (2). Actions speak louder than words. That is either you have a raw interface or you only have the cooked interface or you have both. Since he reverted raw only cooked is left, which is (2) I agree with Vince it's a bad policy. -Andi -- 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/