From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752066Ab3EFBIe (ORCPT ); Sun, 5 May 2013 21:08:34 -0400 Received: from ozlabs.org ([203.10.76.45]:58363 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751778Ab3EFBId (ORCPT ); Sun, 5 May 2013 21:08:33 -0400 Date: Mon, 6 May 2013 11:08:30 +1000 From: Michael Ellerman To: acme@infradead.org Cc: peterz@infradead.org, jolsa@redhat.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, rob@landley.net Subject: Re: [RFC/PATCH] perf: Expand definition of sysfs format attribute Message-ID: <20130506010829.GA32607@concordia> References: <1362370865-4437-1-git-send-email-michael@ellerman.id.au> <20130408072422.GA4476@concordia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130408072422.GA4476@concordia> 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 On Mon, Apr 08, 2013 at 05:24:22PM +1000, Michael Ellerman wrote: > On Mon, Mar 04, 2013 at 03:21:05PM +1100, Michael Ellerman wrote: > > Make it explicit that the format attributes may define overlapping bit > > ranges. Unfortunately this was left unspecified originally, and all the > > examples show non-overlapping ranges. I don't believe this is an ABI > > change, as we are defining something that was previously undefined, but > > others may disagree. > > > > The POWER8 PMU would like to define overlapping ranges, as bit ranges in > > the event code have different meanings for certain events. It will also > > allow us to define an overarching "event" field, that encompasses all > > others. > > > > As far as I can see perf is comfortable with this change, however I am > > not sure if there are any other users of the interface. > > Any comments on this one? Hi Arnaldo, I think the consensus from Peter and Jiri was that this was OK, are you happy to merge it? cheers